diff --git a/packages/fineui/typescript/core/widget.ts b/packages/fineui/typescript/core/widget.ts
index 7ab2e84ce..f01b9a517 100644
--- a/packages/fineui/typescript/core/widget.ts
+++ b/packages/fineui/typescript/core/widget.ts
@@ -125,7 +125,7 @@ export declare class Widget extends OB {
     /**
      * 更新前
      */
-    shouldUpdate?(): void;
+    shouldUpdate?(): boolean;
 
     /**
      * 更新