diff --git a/packages/code-generator/src/utils/compositeType.ts b/packages/code-generator/src/utils/compositeType.ts
index 81c0a1c81..cc8342777 100644
--- a/packages/code-generator/src/utils/compositeType.ts
+++ b/packages/code-generator/src/utils/compositeType.ts
@@ -34,7 +34,8 @@ function generateObject(value: CompositeObject, scope: IScope, options: Composit
 }
 
 function generateString(value: string): string {
-  return `'${value}'`;
+  // 有的字符串里面会有特殊字符，比如换行或引号之类的，这里我们借助 JSON 的字符串转义功能来做下转义并加上双引号
+  return JSON.stringify(value);
 }
 
 function generateNumber(value: number): string {
diff --git a/packages/code-generator/test/utils/compositeType.test.ts b/packages/code-generator/test/utils/compositeType.test.ts
new file mode 100644
index 000000000..59ce23234
--- /dev/null
+++ b/packages/code-generator/test/utils/compositeType.test.ts
@@ -0,0 +1,20 @@
+import test from 'ava';
+import { generateCompositeType } from '../../src/utils/compositeType';
+import Scope from '../../src/utils/Scope';
+
+test('single line string', (t) => {
+  t.is(generateCompositeType('ab c', Scope.createRootScope()), '"ab c"');
+});
+
+test('multi line string', (t) => {
+  t.is(generateCompositeType('a\nb\nc', Scope.createRootScope()), '"a\\nb\\nc"');
+});
+
+
+test('string with single quote', (t) => {
+  t.is(generateCompositeType('a\'bc', Scope.createRootScope()), '"a\'bc"');
+});
+
+test('string with double quote', (t) => {
+  t.is(generateCompositeType('a"bc', Scope.createRootScope()), '"a\\"bc"');
+});