diff --git a/typescript/core/widget.ts b/typescript/core/widget.ts
index c833f0658..29292a632 100644
--- a/typescript/core/widget.ts
+++ b/typescript/core/widget.ts
@@ -293,7 +293,7 @@ export interface _Widget extends _OB {
     /**
      * 设置text
      */
-    setText(): void;
+    setText(text: string): void;
 
     /**
      * 获取值