diff --git a/packages/fineui/src/core/4.widget.js b/packages/fineui/src/core/4.widget.js
index 8ea3ee457..6f1d147c5 100644
--- a/packages/fineui/src/core/4.widget.js
+++ b/packages/fineui/src/core/4.widget.js
@@ -874,7 +874,7 @@ export class Widget extends OB {
         this._assetMounted();
         this.__destroy();
         this.fireEvent(Events.UNMOUNT);
-        // this._purgeRef(); // 子组件unmount ref置为null了，父组件拿不到ref，导致报错
+        this._purgeRef(); // 子组件unmount ref置为null了，父组件拿不到ref，导致报错
         this.purgeListeners();
     }