diff --git a/packages/renderer-core/src/utils/common.ts b/packages/renderer-core/src/utils/common.ts
index 5ce015bc1..8008e37fb 100644
--- a/packages/renderer-core/src/utils/common.ts
+++ b/packages/renderer-core/src/utils/common.ts
@@ -413,7 +413,7 @@ export function parseData(schema: any, self: any): any {
   return schema;
 }
 
-/* 全匹配{{开头,}}结尾的变量表达式，或者对象类型JSExpression，支持省略this */
+/* 全匹配{{开头,}}结尾的变量表达式，或者对象类型JSExpression/JSFunction，支持省略this */
 export function parseExpression(str: any, self: any) {
   try {
     const contextArr = ['"use strict";', 'var __self = arguments[0];'];