diff --git a/typescript/core/widget.ts b/typescript/core/widget.ts
index 4c360b400..0a1b63246 100644
--- a/typescript/core/widget.ts
+++ b/typescript/core/widget.ts
@@ -671,6 +671,7 @@ export declare class Widget extends OB {
     /**
      * 新增子元素
      */
+    addWidget(widget: _Widget): _Widget;
     addWidget(_name: any, _widget: _Widget): _Widget;
 
     /**