diff --git a/src/core/func/function.js b/src/core/func/function.js
index 58d8c1025..1a26b4981 100644
--- a/src/core/func/function.js
+++ b/src/core/func/function.js
@@ -87,7 +87,7 @@ _.extend(BI, {
         };
     },
 
-    afterFunc: function (func) {
+    afterFunc: function (sFunc, func) {
         var __self = sFunc;
         return function () {
             var ret = __self.apply(sFunc, arguments);