diff --git a/deploy-space/static/index.html b/deploy-space/static/index.html
index 3b4cbddc2..e7ff4ba73 100644
--- a/deploy-space/static/index.html
+++ b/deploy-space/static/index.html
@@ -21,7 +21,7 @@
     <script>
       window.pageConfig = {
         env: 'release',
-        locale: 'zh_CN',
+        locale: 'zh-CN',
         pageType: 'single',
         deviceType: 'web',
         appName: '基础包管理后台',
@@ -34,7 +34,7 @@
         isSuperAdmin: 'n',
         isBetaDeveloper: 'n',
         formType: 'display',
-        title: { en_US: '测试', type: 'i18n', zh_CN: '测试' },
+        title: { 'en-US': 'Test', type: 'i18n', 'zh-CN': '测试' },
         urlPrefix: 'https://go.alibaba-inc.com',
         APIUrlPrefix: 'https://mocks.alibaba-inc.com/mock/lowCodeEngine',
         devVersion: '0.1.0', // 这个是子应用的变更 id
@@ -54,7 +54,7 @@
         },
         designerConfigs: {},
         navConfig:
-          '{"appName":{"en_US":"基础包管理后台","key":"","type":"i18n","zh_CN":"基础包管理后台"},"bgColor":"white","data":[{"children":[],"hidden":false,"icon":"","inner":true,"navUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","relateUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","slug":"test","targetNew":false,"title":{"en_US":"测试","type":"i18n","zh_CN":"测试"}}],"isFixed":"y","isFold":"y","isFoldHorizontal":"n","languageChangeUrl":{"en_US":"/common/account/changeAccountLanguage.json","type":"i18n","zh_CN":"/common/account/changeAccountLanguage.json"},"layout":"auto","navStyle":"orange","navTheme":"light","openSubMode":false,"showAppTitle":true,"showCrumb":true,"showIcon":false,"showLanguageChange":true,"showNav":true,"showSearch":"n","singletons":{"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V":{"isFixed":"n","isFold":"n","isFoldHorizontal":"n","showAppTitle":false,"showCrumb":false,"showLanguageChange":false,"showNav":false,"showSearch":"n","singleton":false},"test":{"$ref":"$.singletons.FORM\\-3KYJN7RV\\-DIOD8LLK1WGQ89S7NHA92\\-QJVH497K\\-V"}},"type":"top_fold"}',
+          '{"appName":{"en-US":"基础包管理后台","key":"","type":"i18n","zh-CN":"基础包管理后台"},"bgColor":"white","data":[{"children":[],"hidden":false,"icon":"","inner":true,"navUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","relateUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","slug":"test","targetNew":false,"title":{"en-US":"测试","type":"i18n","zh-CN":"测试"}}],"isFixed":"y","isFold":"y","isFoldHorizontal":"n","languageChangeUrl":{"en-US":"/common/account/changeAccountLanguage.json","type":"i18n","zh-CN":"/common/account/changeAccountLanguage.json"},"layout":"auto","navStyle":"orange","navTheme":"light","openSubMode":false,"showAppTitle":true,"showCrumb":true,"showIcon":false,"showLanguageChange":true,"showNav":true,"showSearch":"n","singletons":{"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V":{"isFixed":"n","isFold":"n","isFoldHorizontal":"n","showAppTitle":false,"showCrumb":false,"showLanguageChange":false,"showNav":false,"showSearch":"n","singleton":false},"test":{"$ref":"$.singletons.FORM\\-3KYJN7RV\\-DIOD8LLK1WGQ89S7NHA92\\-QJVH497K\\-V"}},"type":"top_fold"}',
         historyType: 'HASH',
         isSinglePage: 'n',
         rhino: 'n',
diff --git a/deploy-space/static/preview.html b/deploy-space/static/preview.html
index 1e79181e9..ab793bceb 100644
--- a/deploy-space/static/preview.html
+++ b/deploy-space/static/preview.html
@@ -23,7 +23,7 @@
     <script>
       window.pageConfig = {
         env: 'release',
-        locale: 'zh_CN',
+        locale: 'zh-CN',
         pageType: 'single',
         deviceType: 'web',
         appName: '基础包管理后台',
@@ -36,7 +36,7 @@
         isSuperAdmin: 'n',
         isBetaDeveloper: 'n',
         formType: 'display',
-        title: { en_US: '测试', type: 'i18n', zh_CN: '测试' },
+        title: { 'en-US': 'Test', type: 'i18n', 'zh-CN': '测试' },
         urlPrefix: 'https://go.alibaba-inc.com',
         APIUrlPrefix: 'https://mocks.alibaba-inc.com/mock/lowCodeEngine',
         devVersion: '0.1.0', // 这个是子应用的变更 id
@@ -56,7 +56,7 @@
         },
         designerConfigs: {},
         navConfig:
-          '{"appName":{"en_US":"基础包管理后台","key":"","type":"i18n","zh_CN":"基础包管理后台"},"bgColor":"white","data":[{"children":[],"hidden":false,"icon":"","inner":true,"navUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","relateUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","slug":"test","targetNew":false,"title":{"en_US":"测试","type":"i18n","zh_CN":"测试"}}],"isFixed":"y","isFold":"y","isFoldHorizontal":"n","languageChangeUrl":{"en_US":"/common/account/changeAccountLanguage.json","type":"i18n","zh_CN":"/common/account/changeAccountLanguage.json"},"layout":"auto","navStyle":"orange","navTheme":"light","openSubMode":false,"showAppTitle":true,"showCrumb":true,"showIcon":false,"showLanguageChange":true,"showNav":true,"showSearch":"n","singletons":{"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V":{"isFixed":"n","isFold":"n","isFoldHorizontal":"n","showAppTitle":false,"showCrumb":false,"showLanguageChange":false,"showNav":false,"showSearch":"n","singleton":false},"test":{"$ref":"$.singletons.FORM\\-3KYJN7RV\\-DIOD8LLK1WGQ89S7NHA92\\-QJVH497K\\-V"}},"type":"top_fold"}',
+          '{"appName":{"en-US":"基础包管理后台","key":"","type":"i18n","zh-CN":"基础包管理后台"},"bgColor":"white","data":[{"children":[],"hidden":false,"icon":"","inner":true,"navUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","relateUuid":"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V","slug":"test","targetNew":false,"title":{"en-US":"测试","type":"i18n","zh-CN":"测试"}}],"isFixed":"y","isFold":"y","isFoldHorizontal":"n","languageChangeUrl":{"en-US":"/common/account/changeAccountLanguage.json","type":"i18n","zh-CN":"/common/account/changeAccountLanguage.json"},"layout":"auto","navStyle":"orange","navTheme":"light","openSubMode":false,"showAppTitle":true,"showCrumb":true,"showIcon":false,"showLanguageChange":true,"showNav":true,"showSearch":"n","singletons":{"FORM-3KYJN7RV-DIOD8LLK1WGQ89S7NHA92-QJVH497K-V":{"isFixed":"n","isFold":"n","isFoldHorizontal":"n","showAppTitle":false,"showCrumb":false,"showLanguageChange":false,"showNav":false,"showSearch":"n","singleton":false},"test":{"$ref":"$.singletons.FORM\\-3KYJN7RV\\-DIOD8LLK1WGQ89S7NHA92\\-QJVH497K\\-V"}},"type":"top_fold"}',
         historyType: 'HASH',
         isSinglePage: 'n',
         rhino: 'n',
diff --git a/modules/code-generator/src/plugins/project/i18n.ts b/modules/code-generator/src/plugins/project/i18n.ts
index 7658f9c85..ae568f972 100644
--- a/modules/code-generator/src/plugins/project/i18n.ts
+++ b/modules/code-generator/src/plugins/project/i18n.ts
@@ -34,13 +34,13 @@ const pluginFactory: BuilderComponentPluginFactory<unknown> = () => {
         };
 
         const isEmptyVariables = variables => (
-          Array.isArray(variables) && variables.length === 0 
+          Array.isArray(variables) && variables.length === 0
           || typeof variables === 'object' && (!variables || Object.keys(variables).length === 0)
         );
 
         // 按低代码规范里面的要求进行变量替换
         const format = (msg, variables) => (
-          typeof msg === 'string' 
+          typeof msg === 'string'
             ? msg.replace(/\\\$\\{(\\w+)\\}/g, (match, key) => variables?.[key] ?? '')
             : msg
         );
@@ -69,7 +69,7 @@ const pluginFactory: BuilderComponentPluginFactory<unknown> = () => {
           };
           target._i18nText = (t) => {
             // 优先取直接传过来的语料
-            const localMsg = t[locale] ?? t[String(locale).replace('-', '_')] 
+            const localMsg = t[locale] ?? t[String(locale).replace('-', '_')]
             if (localMsg != null) {
               return format(localMsg, t.params);
             }
@@ -81,7 +81,7 @@ const pluginFactory: BuilderComponentPluginFactory<unknown> = () => {
             }
 
             // 兜底用 use 指定的或默认语言的
-            return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+            return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
           }
 
           // 注入到上下文中去
diff --git a/modules/code-generator/tests/bugfix/i18n-with-params.schema.json b/modules/code-generator/tests/bugfix/i18n-with-params.schema.json
index 88217ab95..227a1d66f 100644
--- a/modules/code-generator/tests/bugfix/i18n-with-params.schema.json
+++ b/modules/code-generator/tests/bugfix/i18n-with-params.schema.json
@@ -42,10 +42,10 @@
     }
   ],
   "i18n": {
-    "zh_CN": {
+    "zh-CN": {
       "greetings.hello": "${name}, 你好！"
     },
-    "en_US": {
+    "en-US": {
       "greetings.hello": "Hello, ${name}!"
     }
   }
diff --git a/modules/code-generator/tests/bugfix/tolerate-eval-errors-1-loop.schema.json b/modules/code-generator/tests/bugfix/tolerate-eval-errors-1-loop.schema.json
index a8e2feb40..347ef7d3e 100644
--- a/modules/code-generator/tests/bugfix/tolerate-eval-errors-1-loop.schema.json
+++ b/modules/code-generator/tests/bugfix/tolerate-eval-errors-1-loop.schema.json
@@ -48,10 +48,10 @@
     }
   ],
   "i18n": {
-    "zh_CN": {
+    "zh-CN": {
       "greetings.hello": "${name}, 你好！"
     },
-    "en_US": {
+    "en-US": {
       "greetings.hello": "Hello, ${name}!"
     }
   }
diff --git a/modules/code-generator/tests/bugfix/tolerate-eval-errors-2-nested-loop.schema.json b/modules/code-generator/tests/bugfix/tolerate-eval-errors-2-nested-loop.schema.json
index f35a9d16b..6b35a8db6 100644
--- a/modules/code-generator/tests/bugfix/tolerate-eval-errors-2-nested-loop.schema.json
+++ b/modules/code-generator/tests/bugfix/tolerate-eval-errors-2-nested-loop.schema.json
@@ -60,10 +60,10 @@
     }
   ],
   "i18n": {
-    "zh_CN": {
+    "zh-CN": {
       "greetings.hello": "${name}, 你好！"
     },
-    "en_US": {
+    "en-US": {
       "greetings.hello": "Hello, ${name}!"
     }
   }
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo01/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo01/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo01/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo01/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo02/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo02/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo02/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo02/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo03/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo03/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo03/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo03/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo04/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo04/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo04/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo04/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo05/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo05/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo05/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo05/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo06-jsslot/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo06-jsslot/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo06-jsslot/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo06-jsslot/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo07-newline-in-props/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo07-newline-in-props/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo07-newline-in-props/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo07-newline-in-props/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo08-jsslot-with-multiple-children/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo08-jsslot-with-multiple-children/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo08-jsslot-with-multiple-children/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo08-jsslot-with-multiple-children/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo09-jsslot-with-conditional-children/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo09-jsslot-with-conditional-children/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo09-jsslot-with-conditional-children/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo09-jsslot-with-conditional-children/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo10-jsslot-with-loop-children/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo10-jsslot-with-loop-children/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo10-jsslot-with-loop-children/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo10-jsslot-with-loop-children/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo11-utils-name-alias/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo11-utils-name-alias/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo11-utils-name-alias/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo11-utils-name-alias/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo12-refs/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo12-refs/expected/demo-project/src/i18n.js
index acf6cd388..f73870fdb 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo12-refs/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo12-refs/expected/demo-project/src/i18n.js
@@ -59,7 +59,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo13-datasource-prop/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo13-datasource-prop/expected/demo-project/src/i18n.js
index 2c28c064e..043df6c79 100644
--- a/modules/code-generator/tests/fixtures/test-cases/rax-app/demo13-datasource-prop/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/rax-app/demo13-datasource-prop/expected/demo-project/src/i18n.js
@@ -52,7 +52,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || 'zh_CN'] ?? t.en_US, t.params);
+    return format(t[t.use || 'zh-CN'] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo1/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo1/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo1/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo1/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo2-utils-name-alias/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo2-utils-name-alias/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo2-utils-name-alias/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo2-utils-name-alias/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo2/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo2/expected/demo-project/src/i18n.js
index 3f0a822ce..d1eaf9464 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo2/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo2/expected/demo-project/src/i18n.js
@@ -70,7 +70,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo3/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo3/expected/demo-project/src/i18n.js
index 3f0a822ce..d1eaf9464 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo3/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo3/expected/demo-project/src/i18n.js
@@ -70,7 +70,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo4/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo4/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo4/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo4/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo5/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo5/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo5/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo5/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo6-literal-condition/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo6-literal-condition/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo6-literal-condition/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo6-literal-condition/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo7-literal-condition2/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo7-literal-condition2/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo7-literal-condition2/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo7-literal-condition2/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo8-datasource-prop/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo8-datasource-prop/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo8-datasource-prop/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo8-datasource-prop/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo9-datasource-engine/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo9-datasource-engine/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo9-datasource-engine/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo9-datasource-engine/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo_10-jsslot/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo_10-jsslot/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo_10-jsslot/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo_10-jsslot/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/modules/code-generator/tests/fixtures/test-cases/react-app/demo_11-jsslot-2/expected/demo-project/src/i18n.js b/modules/code-generator/tests/fixtures/test-cases/react-app/demo_11-jsslot-2/expected/demo-project/src/i18n.js
index 60e05915d..1ae7c84b5 100644
--- a/modules/code-generator/tests/fixtures/test-cases/react-app/demo_11-jsslot-2/expected/demo-project/src/i18n.js
+++ b/modules/code-generator/tests/fixtures/test-cases/react-app/demo_11-jsslot-2/expected/demo-project/src/i18n.js
@@ -61,7 +61,7 @@ const _inject2 = (target) => {
     }
 
     // 兜底用 use 指定的或默认语言的
-    return format(t[t.use || "zh_CN"] ?? t.en_US, t.params);
+    return format(t[t.use || "zh-CN"] ?? t.en_US, t.params);
   };
 
   // 注入到上下文中去
diff --git a/packages/designer/src/locale/index.ts b/packages/designer/src/locale/index.ts
index a912240fa..4cb3b53cf 100644
--- a/packages/designer/src/locale/index.ts
+++ b/packages/designer/src/locale/index.ts
@@ -1,10 +1,10 @@
 import { createIntl } from '@alilc/lowcode-editor-core';
-import en_US from './en-US.json';
-import zh_CN from './zh-CN.json';
+import enUS from './en-US.json';
+import zhCN from './zh-CN.json';
 
 const { intl, intlNode, getLocale, setLocale } = createIntl({
-  'en-US': en_US,
-  'zh-CN': zh_CN,
+  'en-US': enUS,
+  'zh-CN': zhCN,
 });
 
 export { intl, intlNode, getLocale, setLocale };
diff --git a/packages/designer/tests/document/document-model/__snapshots__/document-model.test.ts.snap b/packages/designer/tests/document/document-model/__snapshots__/document-model.test.ts.snap
index 6448ab03d..906313303 100644
--- a/packages/designer/tests/document/document-model/__snapshots__/document-model.test.ts.snap
+++ b/packages/designer/tests/document/document-model/__snapshots__/document-model.test.ts.snap
@@ -98,10 +98,10 @@ Object {
                         "__style__": Object {},
                         "behavior": "NORMAL",
                         "content": Object {
-                          "en_US": "Title",
+                          "en-US": "Title",
                           "type": "i18n",
-                          "use": "zh_CN",
-                          "zh_CN": "个人信息",
+                          "use": "zh-CN",
+                          "zh-CN": "个人信息",
                         },
                         "fieldId": "text_k1ow3h1j",
                         "maxLine": 0,
@@ -148,13 +148,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -166,10 +166,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "姓名",
+                                      "use": "zh-CN",
+                                      "zh-CN": "姓名",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -177,25 +177,25 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [
@@ -205,8 +205,8 @@ Object {
                                     ],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -226,13 +226,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -244,10 +244,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "英文名",
+                                      "use": "zh-CN",
+                                      "zh-CN": "英文名",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -255,32 +255,32 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -300,13 +300,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -318,10 +318,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "职位",
+                                      "use": "zh-CN",
+                                      "zh-CN": "职位",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -329,32 +329,32 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -390,13 +390,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -408,10 +408,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "花名",
+                                      "use": "zh-CN",
+                                      "zh-CN": "花名",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -419,32 +419,32 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -471,9 +471,9 @@ Object {
                                         "sid": "opt_k1owc4t2",
                                         "text": Object {
                                           "__sid__": "param_k1owc4tb",
-                                          "en_US": "Option 1",
+                                          "en-US": "Option 1",
                                           "type": "i18n",
-                                          "zh_CN": "男",
+                                          "zh-CN": "男",
                                         },
                                         "value": "M",
                                       },
@@ -483,9 +483,9 @@ Object {
                                         "sid": "opt_k1owc4t3",
                                         "text": Object {
                                           "__sid__": "param_k1owc4tf",
-                                          "en_US": "Option 2",
+                                          "en-US": "Option 2",
                                           "type": "i18n",
-                                          "zh_CN": "女",
+                                          "zh-CN": "女",
                                         },
                                         "value": "F",
                                       },
@@ -498,10 +498,10 @@ Object {
                                     "hasClear": false,
                                     "hasSelectAll": false,
                                     "label": Object {
-                                      "en_US": "SelectField",
+                                      "en-US": "SelectField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "性别",
+                                      "use": "zh-CN",
+                                      "zh-CN": "性别",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -509,30 +509,30 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "mode": "single",
                                     "notFoundContent": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
+                                      "use": "zh-CN",
                                     },
                                     "placeholder": Object {
-                                      "en_US": "please select",
+                                      "en-US": "please select",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请选择",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请选择",
                                     },
                                     "searchDelay": 300,
                                     "showSearch": false,
                                     "size": "medium",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "validation": Array [
                                       Object {
@@ -604,23 +604,23 @@ Object {
                     "dividerNoInset": false,
                     "extra": Object {
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "",
+                      "use": "zh-CN",
+                      "zh-CN": "",
                     },
                     "fieldId": "card_k1ow3h1l",
                     "showHeadDivider": true,
                     "showTitleBullet": true,
                     "subTitle": Object {
-                      "en_US": "",
+                      "en-US": "",
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "",
+                      "use": "zh-CN",
+                      "zh-CN": "",
                     },
                     "title": Object {
-                      "en_US": "Title",
+                      "en-US": "Title",
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "基本信息",
+                      "use": "zh-CN",
+                      "zh-CN": "基本信息",
                     },
                   },
                   "title": "",
@@ -642,13 +642,13 @@ Object {
                             "__useMediator": "value",
                             "addonAfter": Object {
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "",
+                              "use": "zh-CN",
+                              "zh-CN": "",
                             },
                             "addonBefore": Object {
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "",
+                              "use": "zh-CN",
+                              "zh-CN": "",
                             },
                             "autoFocus": false,
                             "autoHeight": false,
@@ -660,10 +660,10 @@ Object {
                             "hasLimitHint": false,
                             "htmlType": "input",
                             "label": Object {
-                              "en_US": "TextField",
+                              "en-US": "TextField",
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "所属部门",
+                              "use": "zh-CN",
+                              "zh-CN": "所属部门",
                             },
                             "labelAlign": "top",
                             "labelColOffset": 0,
@@ -671,32 +671,32 @@ Object {
                             "labelTextAlign": "right",
                             "labelTipsIcon": "",
                             "labelTipsText": Object {
-                              "en_US": "",
+                              "en-US": "",
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "",
+                              "use": "zh-CN",
+                              "zh-CN": "",
                             },
                             "labelTipsTypes": "none",
                             "placeholder": Object {
-                              "en_US": "please input",
+                              "en-US": "please input",
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "请输入",
+                              "use": "zh-CN",
+                              "zh-CN": "请输入",
                             },
                             "rows": 4,
                             "size": "medium",
                             "state": "",
                             "tips": Object {
-                              "en_US": "",
+                              "en-US": "",
                               "type": "i18n",
-                              "zh_CN": "",
+                              "zh-CN": "",
                             },
                             "trim": false,
                             "validation": Array [],
                             "value": Object {
                               "type": "i18n",
-                              "use": "zh_CN",
-                              "zh_CN": "",
+                              "use": "zh-CN",
+                              "zh-CN": "",
                             },
                             "wrapperColOffset": 0,
                             "wrapperColSpan": 0,
@@ -720,13 +720,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -738,10 +738,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "主管",
+                                      "use": "zh-CN",
+                                      "zh-CN": "主管",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -749,32 +749,32 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -810,13 +810,13 @@ Object {
                                     "__useMediator": "value",
                                     "addonAfter": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "addonBefore": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "autoFocus": false,
                                     "autoHeight": false,
@@ -828,10 +828,10 @@ Object {
                                     "hasLimitHint": false,
                                     "htmlType": "input",
                                     "label": Object {
-                                      "en_US": "TextField",
+                                      "en-US": "TextField",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "HRG",
+                                      "use": "zh-CN",
+                                      "zh-CN": "HRG",
                                     },
                                     "labelAlign": "top",
                                     "labelColOffset": 0,
@@ -839,32 +839,32 @@ Object {
                                     "labelTextAlign": "right",
                                     "labelTipsIcon": "",
                                     "labelTipsText": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "labelTipsTypes": "none",
                                     "placeholder": Object {
-                                      "en_US": "please input",
+                                      "en-US": "please input",
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "请输入",
+                                      "use": "zh-CN",
+                                      "zh-CN": "请输入",
                                     },
                                     "rows": 4,
                                     "size": "medium",
                                     "state": "",
                                     "tips": Object {
-                                      "en_US": "",
+                                      "en-US": "",
                                       "type": "i18n",
-                                      "zh_CN": "",
+                                      "zh-CN": "",
                                     },
                                     "trim": false,
                                     "validation": Array [],
                                     "value": Object {
                                       "type": "i18n",
-                                      "use": "zh_CN",
-                                      "zh_CN": "",
+                                      "use": "zh-CN",
+                                      "zh-CN": "",
                                     },
                                     "wrapperColOffset": 0,
                                     "wrapperColSpan": 0,
@@ -930,23 +930,23 @@ Object {
                     "dividerNoInset": false,
                     "extra": Object {
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "",
+                      "use": "zh-CN",
+                      "zh-CN": "",
                     },
                     "fieldId": "card_k1ow3h1m",
                     "showHeadDivider": true,
                     "showTitleBullet": true,
                     "subTitle": Object {
-                      "en_US": "",
+                      "en-US": "",
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "",
+                      "use": "zh-CN",
+                      "zh-CN": "",
                     },
                     "title": Object {
-                      "en_US": "Title",
+                      "en-US": "Title",
                       "type": "i18n",
-                      "use": "zh_CN",
-                      "zh_CN": "部门信息",
+                      "use": "zh-CN",
+                      "zh-CN": "部门信息",
                     },
                   },
                   "title": "",
@@ -969,10 +969,10 @@ Object {
                         "behavior": "NORMAL",
                         "className": "button_kgaqfbm7",
                         "content": Object {
-                          "en_US": "Button",
+                          "en-US": "Button",
                           "type": "i18n",
-                          "use": "zh_CN",
-                          "zh_CN": "提交",
+                          "use": "zh-CN",
+                          "zh-CN": "提交",
                         },
                         "fieldId": "button_k1ow3h1n",
                         "loading": false,
@@ -1012,10 +1012,10 @@ Object {
                         "behavior": "NORMAL",
                         "className": "button_kgaqfbm8",
                         "content": Object {
-                          "en_US": "Button",
+                          "en-US": "Button",
                           "type": "i18n",
-                          "use": "zh_CN",
-                          "zh_CN": "取消",
+                          "use": "zh-CN",
+                          "zh-CN": "取消",
                         },
                         "fieldId": "button_k1ow3h1p",
                         "greeting": Object {
diff --git a/packages/designer/tests/fixtures/schema/form-with-modal.ts b/packages/designer/tests/fixtures/schema/form-with-modal.ts
index 0e0b4bfbd..4c0fb9064 100644
--- a/packages/designer/tests/fixtures/schema/form-with-modal.ts
+++ b/packages/designer/tests/fixtures/schema/form-with-modal.ts
@@ -53,9 +53,9 @@ export default {
       props: {
         title: {
           type: 'i18n',
-          use: 'zh_CN',
-          en_US: 'Dialog Title',
-          zh_CN: 'Dialog标题',
+          use: 'zh-CN',
+          'en-US': 'Dialog Title',
+          'zh-CN': 'Dialog标题',
         },
         visible: false,
         hasMask: true,
@@ -66,15 +66,15 @@ export default {
         footerActions: 'cancel,ok',
         confirmText: {
           type: 'i18n',
-          use: 'zh_CN',
-          en_US: 'Confirm',
-          zh_CN: '确定',
+          use: 'zh-CN',
+          'en-US': 'Confirm',
+          'zh-CN': '确定',
         },
         cancelText: {
           type: 'i18n',
-          use: 'zh_CN',
-          en_US: 'Cancel',
-          zh_CN: '取消',
+          use: 'zh-CN',
+          'en-US': 'Cancel',
+          'zh-CN': '取消',
         },
         confirmStyle: 'primary',
         confirmState: '确定',
@@ -106,9 +106,9 @@ export default {
                     showTitle: false,
                     behavior: 'NORMAL',
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Title',
-                      zh_CN: '个人信息',
+                      use: 'zh-CN',
+                      'en-US': 'Title',
+                      'zh-CN': '个人信息',
                       type: 'i18n',
                     },
                     __style__: {},
@@ -179,22 +179,22 @@ export default {
               props: {
                 __slot__title: false,
                 subTitle: {
-                  use: 'zh_CN',
-                  en_US: '',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'en-US': '',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 __slot__subTitle: false,
                 extra: {
-                  use: 'zh_CN',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 className: 'card_kgaqfbm5',
                 title: {
-                  use: 'zh_CN',
-                  en_US: 'Title',
-                  zh_CN: '基本信息',
+                  use: 'zh-CN',
+                  'en-US': 'Title',
+                  'zh-CN': '基本信息',
                   type: 'i18n',
                 },
                 __slot__extra: false,
@@ -243,28 +243,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [
@@ -280,9 +280,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '姓名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '姓名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -290,8 +290,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -302,9 +302,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -317,28 +317,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -350,9 +350,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '英文名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '英文名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -360,8 +360,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -372,9 +372,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -387,28 +387,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -420,9 +420,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '职位',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '职位',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -430,8 +430,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -442,9 +442,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -469,28 +469,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -502,9 +502,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '花名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '花名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -512,8 +512,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -524,9 +524,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -538,8 +538,8 @@ export default {
                                 fieldName: 'gender',
                                 hasClear: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 mode: 'single',
@@ -547,9 +547,9 @@ export default {
                                 autoWidth: true,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please select',
-                                  zh_CN: '请选择',
+                                  use: 'zh-CN',
+                                  'en-US': 'please select',
+                                  'zh-CN': '请选择',
                                   type: 'i18n',
                                 },
                                 hasBorder: true,
@@ -563,14 +563,14 @@ export default {
                                 __style__: {},
                                 fieldId: 'select_k1ow3h1x',
                                 notFoundContent: {
-                                  use: 'zh_CN',
+                                  use: 'zh-CN',
                                   type: 'i18n',
                                 },
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'SelectField',
-                                  zh_CN: '性别',
+                                  use: 'zh-CN',
+                                  'en-US': 'SelectField',
+                                  'zh-CN': '性别',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -586,8 +586,8 @@ export default {
                                   {
                                     defaultChecked: false,
                                     text: {
-                                      en_US: 'Option 1',
-                                      zh_CN: '男',
+                                      'en-US': 'Option 1',
+                                      'zh-CN': '男',
                                       type: 'i18n',
                                       __sid__: 'param_k1owc4tb',
                                     },
@@ -598,8 +598,8 @@ export default {
                                   {
                                     defaultChecked: false,
                                     text: {
-                                      en_US: 'Option 2',
-                                      zh_CN: '女',
+                                      'en-US': 'Option 2',
+                                      'zh-CN': '女',
                                       type: 'i18n',
                                       __sid__: 'param_k1owc4tf',
                                     },
@@ -613,9 +613,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                                 searchDelay: 300,
                               },
@@ -635,22 +635,22 @@ export default {
               props: {
                 __slot__title: false,
                 subTitle: {
-                  use: 'zh_CN',
-                  en_US: '',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'en-US': '',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 __slot__subTitle: false,
                 extra: {
-                  use: 'zh_CN',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 className: 'card_kgaqfbm6',
                 title: {
-                  use: 'zh_CN',
-                  en_US: 'Title',
-                  zh_CN: '部门信息',
+                  use: 'zh-CN',
+                  'en-US': 'Title',
+                  'zh-CN': '部门信息',
                   type: 'i18n',
                 },
                 __slot__extra: false,
@@ -677,28 +677,28 @@ export default {
                         hasClear: false,
                         autoFocus: false,
                         tips: {
-                          en_US: '',
-                          zh_CN: '',
+                          'en-US': '',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         trim: false,
                         labelTextAlign: 'right',
                         placeholder: {
-                          use: 'zh_CN',
-                          en_US: 'please input',
-                          zh_CN: '请输入',
+                          use: 'zh-CN',
+                          'en-US': 'please input',
+                          'zh-CN': '请输入',
                           type: 'i18n',
                         },
                         state: '',
                         behavior: 'NORMAL',
                         value: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         addonBefore: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         validation: [],
@@ -710,9 +710,9 @@ export default {
                         autoHeight: false,
                         labelColOffset: 0,
                         label: {
-                          use: 'zh_CN',
-                          en_US: 'TextField',
-                          zh_CN: '所属部门',
+                          use: 'zh-CN',
+                          'en-US': 'TextField',
+                          'zh-CN': '所属部门',
                           type: 'i18n',
                         },
                         __category__: 'form',
@@ -720,8 +720,8 @@ export default {
                         wrapperColSpan: 0,
                         rows: 4,
                         addonAfter: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         wrapperColOffset: 0,
@@ -732,9 +732,9 @@ export default {
                         labelTipsIcon: '',
                         labelTipsText: {
                           type: 'i18n',
-                          use: 'zh_CN',
-                          en_US: null,
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'en-US': null,
+                          'zh-CN': '',
                         },
                       },
                       condition: true,
@@ -769,28 +769,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -802,9 +802,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '主管',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '主管',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -812,8 +812,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -824,9 +824,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -851,28 +851,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -884,9 +884,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: 'HRG',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': 'HRG',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -894,8 +894,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -906,9 +906,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -963,9 +963,9 @@ export default {
                     behavior: 'NORMAL',
                     loading: false,
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Button',
-                      zh_CN: '提交',
+                      use: 'zh-CN',
+                      'en-US': 'Button',
+                      'zh-CN': '提交',
                       type: 'i18n',
                     },
                     __style__: ':root {\n  margin-right: 16px;\n  width: 80px\n}',
@@ -986,9 +986,9 @@ export default {
                     behavior: 'NORMAL',
                     loading: false,
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Button',
-                      zh_CN: '取消',
+                      use: 'zh-CN',
+                      'en-US': 'Button',
+                      'zh-CN': '取消',
                       type: 'i18n',
                     },
                     __style__: ':root {\n  width: 80px;\n}',
diff --git a/packages/designer/tests/fixtures/schema/form.ts b/packages/designer/tests/fixtures/schema/form.ts
index 6f61170f6..8da6faf9e 100644
--- a/packages/designer/tests/fixtures/schema/form.ts
+++ b/packages/designer/tests/fixtures/schema/form.ts
@@ -70,9 +70,9 @@ export default {
                     showTitle: false,
                     behavior: 'NORMAL',
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Title',
-                      zh_CN: '个人信息',
+                      use: 'zh-CN',
+                      'en-US': 'Title',
+                      'zh-CN': '个人信息',
                       type: 'i18n',
                     },
                     __style__: {},
@@ -143,22 +143,22 @@ export default {
               props: {
                 __slot__title: false,
                 subTitle: {
-                  use: 'zh_CN',
-                  en_US: '',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'en-US': '',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 __slot__subTitle: false,
                 extra: {
-                  use: 'zh_CN',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 className: 'card_kgaqfbm5',
                 title: {
-                  use: 'zh_CN',
-                  en_US: 'Title',
-                  zh_CN: '基本信息',
+                  use: 'zh-CN',
+                  'en-US': 'Title',
+                  'zh-CN': '基本信息',
                   type: 'i18n',
                 },
                 __slot__extra: false,
@@ -207,28 +207,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [
@@ -244,9 +244,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '姓名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '姓名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -254,8 +254,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -266,9 +266,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -281,28 +281,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -314,9 +314,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '英文名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '英文名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -324,8 +324,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -336,9 +336,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -351,28 +351,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -384,9 +384,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '职位',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '职位',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -394,8 +394,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -406,9 +406,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -433,28 +433,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -466,9 +466,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '花名',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '花名',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -476,8 +476,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -488,9 +488,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -502,8 +502,8 @@ export default {
                                 fieldName: 'gender',
                                 hasClear: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 mode: 'single',
@@ -511,9 +511,9 @@ export default {
                                 autoWidth: true,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please select',
-                                  zh_CN: '请选择',
+                                  use: 'zh-CN',
+                                  'en-US': 'please select',
+                                  'zh-CN': '请选择',
                                   type: 'i18n',
                                 },
                                 hasBorder: true,
@@ -527,14 +527,14 @@ export default {
                                 __style__: {},
                                 fieldId: 'select_k1ow3h1x',
                                 notFoundContent: {
-                                  use: 'zh_CN',
+                                  use: 'zh-CN',
                                   type: 'i18n',
                                 },
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'SelectField',
-                                  zh_CN: '性别',
+                                  use: 'zh-CN',
+                                  'en-US': 'SelectField',
+                                  'zh-CN': '性别',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -550,8 +550,8 @@ export default {
                                   {
                                     defaultChecked: false,
                                     text: {
-                                      en_US: 'Option 1',
-                                      zh_CN: '男',
+                                      'en-US': 'Option 1',
+                                      'zh-CN': '男',
                                       type: 'i18n',
                                       __sid__: 'param_k1owc4tb',
                                     },
@@ -562,8 +562,8 @@ export default {
                                   {
                                     defaultChecked: false,
                                     text: {
-                                      en_US: 'Option 2',
-                                      zh_CN: '女',
+                                      'en-US': 'Option 2',
+                                      'zh-CN': '女',
                                       type: 'i18n',
                                       __sid__: 'param_k1owc4tf',
                                     },
@@ -577,9 +577,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                                 searchDelay: 300,
                               },
@@ -599,22 +599,22 @@ export default {
               props: {
                 __slot__title: false,
                 subTitle: {
-                  use: 'zh_CN',
-                  en_US: '',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'en-US': '',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 __slot__subTitle: false,
                 extra: {
-                  use: 'zh_CN',
-                  zh_CN: '',
+                  use: 'zh-CN',
+                  'zh-CN': '',
                   type: 'i18n',
                 },
                 className: 'card_kgaqfbm6',
                 title: {
-                  use: 'zh_CN',
-                  en_US: 'Title',
-                  zh_CN: '部门信息',
+                  use: 'zh-CN',
+                  'en-US': 'Title',
+                  'zh-CN': '部门信息',
                   type: 'i18n',
                 },
                 __slot__extra: false,
@@ -641,28 +641,28 @@ export default {
                         hasClear: false,
                         autoFocus: false,
                         tips: {
-                          en_US: '',
-                          zh_CN: '',
+                          'en-US': '',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         trim: false,
                         labelTextAlign: 'right',
                         placeholder: {
-                          use: 'zh_CN',
-                          en_US: 'please input',
-                          zh_CN: '请输入',
+                          use: 'zh-CN',
+                          'en-US': 'please input',
+                          'zh-CN': '请输入',
                           type: 'i18n',
                         },
                         state: '',
                         behavior: 'NORMAL',
                         value: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         addonBefore: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         validation: [],
@@ -674,9 +674,9 @@ export default {
                         autoHeight: false,
                         labelColOffset: 0,
                         label: {
-                          use: 'zh_CN',
-                          en_US: 'TextField',
-                          zh_CN: '所属部门',
+                          use: 'zh-CN',
+                          'en-US': 'TextField',
+                          'zh-CN': '所属部门',
                           type: 'i18n',
                         },
                         __category__: 'form',
@@ -684,8 +684,8 @@ export default {
                         wrapperColSpan: 0,
                         rows: 4,
                         addonAfter: {
-                          use: 'zh_CN',
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'zh-CN': '',
                           type: 'i18n',
                         },
                         wrapperColOffset: 0,
@@ -696,9 +696,9 @@ export default {
                         labelTipsIcon: '',
                         labelTipsText: {
                           type: 'i18n',
-                          use: 'zh_CN',
-                          en_US: null,
-                          zh_CN: '',
+                          use: 'zh-CN',
+                          'en-US': null,
+                          'zh-CN': '',
                         },
                       },
                       condition: true,
@@ -733,28 +733,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -766,9 +766,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: '主管',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': '主管',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -776,8 +776,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -788,9 +788,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -815,28 +815,28 @@ export default {
                                 hasClear: false,
                                 autoFocus: false,
                                 tips: {
-                                  en_US: '',
-                                  zh_CN: '',
+                                  'en-US': '',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 trim: false,
                                 labelTextAlign: 'right',
                                 placeholder: {
-                                  use: 'zh_CN',
-                                  en_US: 'please input',
-                                  zh_CN: '请输入',
+                                  use: 'zh-CN',
+                                  'en-US': 'please input',
+                                  'zh-CN': '请输入',
                                   type: 'i18n',
                                 },
                                 state: '',
                                 behavior: 'NORMAL',
                                 value: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 addonBefore: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 validation: [],
@@ -848,9 +848,9 @@ export default {
                                 autoHeight: false,
                                 labelColOffset: 0,
                                 label: {
-                                  use: 'zh_CN',
-                                  en_US: 'TextField',
-                                  zh_CN: 'HRG',
+                                  use: 'zh-CN',
+                                  'en-US': 'TextField',
+                                  'zh-CN': 'HRG',
                                   type: 'i18n',
                                 },
                                 __category__: 'form',
@@ -858,8 +858,8 @@ export default {
                                 wrapperColSpan: 0,
                                 rows: 4,
                                 addonAfter: {
-                                  use: 'zh_CN',
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'zh-CN': '',
                                   type: 'i18n',
                                 },
                                 wrapperColOffset: 0,
@@ -870,9 +870,9 @@ export default {
                                 labelTipsIcon: '',
                                 labelTipsText: {
                                   type: 'i18n',
-                                  use: 'zh_CN',
-                                  en_US: null,
-                                  zh_CN: '',
+                                  use: 'zh-CN',
+                                  'en-US': null,
+                                  'zh-CN': '',
                                 },
                               },
                               condition: true,
@@ -927,9 +927,9 @@ export default {
                     behavior: 'NORMAL',
                     loading: false,
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Button',
-                      zh_CN: '提交',
+                      use: 'zh-CN',
+                      'en-US': 'Button',
+                      'zh-CN': '提交',
                       type: 'i18n',
                     },
                     __style__: ':root {\n  margin-right: 16px;\n  width: 80px\n}',
@@ -950,9 +950,9 @@ export default {
                     behavior: 'NORMAL',
                     loading: false,
                     content: {
-                      use: 'zh_CN',
-                      en_US: 'Button',
-                      zh_CN: '取消',
+                      use: 'zh-CN',
+                      'en-US': 'Button',
+                      'zh-CN': '取消',
                       type: 'i18n',
                     },
                     __style__: ':root {\n  width: 80px;\n}',
diff --git a/packages/editor-core/src/config.ts b/packages/editor-core/src/config.ts
index b88dda6e6..ee44546c5 100644
--- a/packages/editor-core/src/config.ts
+++ b/packages/editor-core/src/config.ts
@@ -37,7 +37,7 @@ const VALID_ENGINE_OPTIONS = {
   },
   locale: {
     type: 'string',
-    default: 'zh_CN',
+    default: 'zh-CN',
     description: '语言',
   },
   renderEnv: {
@@ -166,7 +166,7 @@ export interface EngineOptions {
    */
   deviceClassName?: string;
   /**
-   * 语言，默认值：'zh_CN'
+   * 语言，默认值：'zh-CN'
    */
   locale?: string;
   /**
diff --git a/packages/editor-core/src/intl/index.ts b/packages/editor-core/src/intl/index.ts
index 01cb452cd..1af991e69 100644
--- a/packages/editor-core/src/intl/index.ts
+++ b/packages/editor-core/src/intl/index.ts
@@ -2,7 +2,7 @@ import { ReactNode, Component, createElement } from 'react';
 import { IntlMessageFormat } from 'intl-messageformat';
 import { globalLocale } from './global-locale';
 import { isI18nData } from '@alilc/lowcode-types';
-import { observer, computed } from '../utils';
+import { observer } from '../utils';
 
 function generateTryLocales(locale: string) {
   const tries = [locale, locale.replace('-', '_')];
diff --git a/packages/editor-skeleton/src/locale/index.ts b/packages/editor-skeleton/src/locale/index.ts
index a912240fa..4cb3b53cf 100644
--- a/packages/editor-skeleton/src/locale/index.ts
+++ b/packages/editor-skeleton/src/locale/index.ts
@@ -1,10 +1,10 @@
 import { createIntl } from '@alilc/lowcode-editor-core';
-import en_US from './en-US.json';
-import zh_CN from './zh-CN.json';
+import enUS from './en-US.json';
+import zhCN from './zh-CN.json';
 
 const { intl, intlNode, getLocale, setLocale } = createIntl({
-  'en-US': en_US,
-  'zh-CN': zh_CN,
+  'en-US': enUS,
+  'zh-CN': zhCN,
 });
 
 export { intl, intlNode, getLocale, setLocale };
diff --git a/packages/engine/src/modules/utils.ts b/packages/engine/src/modules/utils.ts
index 6d89e31e0..5283eb4f5 100644
--- a/packages/engine/src/modules/utils.ts
+++ b/packages/engine/src/modules/utils.ts
@@ -1,6 +1,7 @@
 import { isFormEvent, compatibleLegaoSchema, getNodeSchemaById, transactionManager } from '@alilc/lowcode-utils';
 import { isNodeSchema } from '@alilc/lowcode-types';
 import { getConvertedExtraKey, getOriginalExtraKey } from '@alilc/lowcode-designer';
+import { createIntl } from '@alilc/lowcode-editor-core';
 
 const utils = {
   isNodeSchema,
@@ -10,6 +11,7 @@ const utils = {
   getConvertedExtraKey,
   getOriginalExtraKey,
   executeTransaction: transactionManager.executeTransaction.bind(transactionManager),
+  createIntl,
 };
 
 export default utils;
\ No newline at end of file
diff --git a/packages/plugin-outline-pane/src/locale/index.ts b/packages/plugin-outline-pane/src/locale/index.ts
index a912240fa..4cb3b53cf 100644
--- a/packages/plugin-outline-pane/src/locale/index.ts
+++ b/packages/plugin-outline-pane/src/locale/index.ts
@@ -1,10 +1,10 @@
 import { createIntl } from '@alilc/lowcode-editor-core';
-import en_US from './en-US.json';
-import zh_CN from './zh-CN.json';
+import enUS from './en-US.json';
+import zhCN from './zh-CN.json';
 
 const { intl, intlNode, getLocale, setLocale } = createIntl({
-  'en-US': en_US,
-  'zh-CN': zh_CN,
+  'en-US': enUS,
+  'zh-CN': zhCN,
 });
 
 export { intl, intlNode, getLocale, setLocale };
diff --git a/packages/react-simulator-renderer/test/schema/basic.ts b/packages/react-simulator-renderer/test/schema/basic.ts
index c32d1d864..5dffd7267 100644
--- a/packages/react-simulator-renderer/test/schema/basic.ts
+++ b/packages/react-simulator-renderer/test/schema/basic.ts
@@ -34,11 +34,11 @@ export default {
           id: 'node_ockvuu8u916',
           props: {
             content: {
-              use: 'zh_CN',
+              use: 'zh-CN',
               type: 'JSExpression',
-              en_US: 'Tips content',
+              'en-US': 'Tips content',
               value: '"我是一个简单的测试页面"',
-              zh_CN: '我是一个简单的测试页面',
+              'zh-CN': '我是一个简单的测试页面',
               extType: 'i18n',
             },
             fieldId: 'text_kvuu9gl2',
diff --git a/packages/renderer-core/src/renderer/base.tsx b/packages/renderer-core/src/renderer/base.tsx
index 64bf18422..afa3938e7 100644
--- a/packages/renderer-core/src/renderer/base.tsx
+++ b/packages/renderer-core/src/renderer/base.tsx
@@ -823,7 +823,7 @@ export default function baseRendererFactory(): IBaseRenderComponent {
         }
       }
 
-      const handleI18nData = (innerProps: any) => innerProps[innerProps.use || 'zh_CN'];
+      const handleI18nData = (innerProps: any) => innerProps[innerProps.use || 'zh-CN'];
 
       // @LEGACY 兼容老平台设计态 i18n 数据
       if (isI18nData(props)) {
diff --git a/packages/utils/src/misc.ts b/packages/utils/src/misc.ts
index 87eea62f8..8a8211250 100644
--- a/packages/utils/src/misc.ts
+++ b/packages/utils/src/misc.ts
@@ -23,7 +23,7 @@ export function isUseI18NSetter(prototype: any, propName: string) {
   return false;
 }
 
-export function convertToI18NObject(v: string | any, locale: string = 'zh_CN') {
+export function convertToI18NObject(v: string | any, locale: string = 'zh-CN') {
   if (isI18NObject(v)) return v;
   return { type: 'i18n', use: locale, [locale]: v };
 }
diff --git a/specs/material-spec.md b/specs/material-spec.md
index 3efad1a8e..1d2375a11 100644
--- a/specs/material-spec.md
+++ b/specs/material-spec.md
@@ -393,7 +393,7 @@ export default {
 // index.jsx
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
-import zh_CN from './locale/zh-CN.js';            // 引入默认语言
+import zhCN from './locale/zh-CN.js';            // 引入默认语言
 export default class BizHello extends Component {
   static componentName = 'BizHello';
 
@@ -402,7 +402,7 @@ export default class BizHello extends Component {
   };
 
   static defaultProps = {
-    locale: zh_CN,
+    locale: zhCN,
   };
 
   render() {
@@ -422,14 +422,14 @@ export default class BizHello extends Component {
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
 import { ConfigProvider } from '@alifd/next';
-import zh_CN from './locale/zh-CN.js';            // 引入默认语言
+import zhCN from './locale/zh-CN.js';            // 引入默认语言
 class BizHello extends Component {
   static propTypes = {
     locale: PropTypes.object,                     // 增加 locale，用于配置文案
   };
 
   static defaultProps = {
-    locale: zh_CN,
+    locale: zhCN,
   };
 
   render() {