diff --git a/src/core/4.widget.js b/src/core/4.widget.js
index 44617d076..1873e0b44 100644
--- a/src/core/4.widget.js
+++ b/src/core/4.widget.js
@@ -927,6 +927,16 @@
         return vm;
     };
 
+    BI.execWithContext = function (_context, fn) {
+        BI.Widget.pushContext(_context);
+        try {
+            fn();
+        } catch (e) {
+            // nothing
+        }
+        BI.Widget.popContext();
+    };
+
     BI.watch = function (vm, watch, handler) {
         // 必须要保证组件当前环境存在
         if (BI.Widget.current) {