fixed components :

components/mob-toc.tsx

@@ -15,18 +15,18 @@ interface MobTocProps {
 }
 
 const useClickOutside = (ref: React.RefObject<HTMLElement>, callback: () => void) => {
-  const handleClick = (e: MouseEvent) => {
-    if (ref.current && !ref.current.contains(e.target as Node)) {
+  const handleClick = React.useCallback((event: MouseEvent) => {
+    if (ref.current && !ref.current.contains(event.target as Node)) {
       callback();
     }
-  };
+  }, [ref, callback]);
 
   React.useEffect(() => {
     document.addEventListener('mousedown', handleClick);
     return () => {
       document.removeEventListener('mousedown', handleClick);
     };
-  }, [ref, callback]);
+  }, [handleClick]);
 };
 
 export default function MobToc({ tocs }: MobTocProps) {