diff --git a/src/views/faceteach/FaceTeach.vue b/src/views/faceteach/FaceTeach.vue
index cb165bb..1f269a6 100644
--- a/src/views/faceteach/FaceTeach.vue
+++ b/src/views/faceteach/FaceTeach.vue
@@ -434,11 +434,6 @@ function toExamItem(obj) {
   }
 }
 
-onUnmounted(() => {
-  if (timer) {
-    clearInterval(timer);
-  }
-});
 </script>
 
 <style lang="scss">