diff --git a/packages/demo/build.json b/packages/demo/build.json
index 7576a6485..48cdb5e94 100644
--- a/packages/demo/build.json
+++ b/packages/demo/build.json
@@ -9,7 +9,10 @@
   },
   "publicPath": "/",
   "externals": {
-    "prop-types": "var window.PropTypes"
+    "react": "window.React",
+    "react-dom": "window.ReactDOM",
+    "prop-types": "window.PropTypes",
+    "@alifd/next": "window.Next"
   },
   "plugins": [
     ["build-plugin-react-app"],
diff --git a/packages/demo/cloud-build.json b/packages/demo/cloud-build.json
index 0e1529916..16a6afe1d 100644
--- a/packages/demo/cloud-build.json
+++ b/packages/demo/cloud-build.json
@@ -4,8 +4,10 @@
   },
   "vendor": false,
   "externals": {
-    "prop-types": "PropTypes",
-    "@ali/lowcode-globals": "LCEGlobals"
+    "react": "window.React",
+    "react-dom": "window.ReactDOM",
+    "prop-types": "window.PropTypes",
+    "@ali/lowcode-globals": "window.LCEGlobals"
   },
   "minify": false,
   "sourcemap": true,