diff --git a/src/pages/U1/u1.tsx b/src/pages/U1/u1.tsx
index 1b23165..01ce539 100644
--- a/src/pages/U1/u1.tsx
+++ b/src/pages/U1/u1.tsx
@@ -93,15 +93,6 @@ const U1: React.FC = () => {
     };
   }, [reading, navigate]);
 
-  useEffect(() => {
-    return () => {
-      // 页面卸载时清理
-      if (timerRef.current) clearTimeout(timerRef.current);
-      timerRef.current = null;
-      if (reading) window.electronAPI.stopIdCardListen().catch(() => {});
-    };
-  }, [reading]);
-
   return (
     <div className="u1-root">
       <span className="u1-title">