fix: 修复组件销毁还更新state的问题

src/components/AnchorPage/index.tsx

@@ -75,7 +75,7 @@ const AnchorPage = (props: IProps) => {
   useEffect(() => {
     const firstKey = anchors.length ? `#${anchors[0].key}` : '';
     if (firstKey && firstKey !== current) {
-      setCurrent(firstKey);
+      mounted.current && setCurrent(firstKey);
     }
   }, [anchors]);