diff --git a/packages/editor-preset-vision/src/editor.ts b/packages/editor-preset-vision/src/editor.ts
index 0bf3c4627..45a9938db 100644
--- a/packages/editor-preset-vision/src/editor.ts
+++ b/packages/editor-preset-vision/src/editor.ts
@@ -152,7 +152,7 @@ function compatiableReducer(props: any) {
       }
     }
     // 为了能降级到老版本，建议在后期版本去掉以下代码
-    if (isJSExpression(val)) {
+    if (isJSExpression(val) && !val.events) {
       val = {
         type: 'variable',
         value: val.mock,
diff --git a/packages/types/src/value-type.ts b/packages/types/src/value-type.ts
index dd6e48f18..6e5083c0a 100644
--- a/packages/types/src/value-type.ts
+++ b/packages/types/src/value-type.ts
@@ -11,6 +11,10 @@ export interface JSExpression {
    * 模拟值
    */
   mock?: any;
+  /**
+   * 额外扩展属性，如 extType、events
+   */
+  [key: string]: any;
 }
 
 export interface JSSlot {