diff --git a/src/contentScript/lingoCard.tsx b/src/contentScript/lingoCard.tsx
index 4807827..a4403ee 100644
--- a/src/contentScript/lingoCard.tsx
+++ b/src/contentScript/lingoCard.tsx
@@ -114,11 +114,17 @@ export default function ContentScriptApp() {
     },
     [showCardAndPosition]
   );
+  const mouseoutCollectCallback = useCallback(() => {
+    if (mouseoverCollectTimer.current && ! cardShow) {
+      clearTimeout(mouseoverCollectTimer.current);
+    }
+  }, [cardShow]);
   const onmouseenterCard = useCallback(() => {
     hideCardTimer.current && clearTimeout(hideCardTimer.current);
   }, []);
   useTreeWalker({
     mouseoverCallback: mouseoverCollectCallback,
+    mouseoutCallback: mouseoutCollectCallback,
   });
   useEffect(() => {
     const translate = () => {