diff --git a/src/component/Canvas/ExistsImageList/ToolButton.vue b/src/component/Canvas/ExistsImageList/ToolButton.vue
index d84432b7..5c51ff9a 100644
--- a/src/component/Canvas/ExistsImageList/ToolButton.vue
+++ b/src/component/Canvas/ExistsImageList/ToolButton.vue
@@ -79,10 +79,10 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
-  if(props.tipBody){
+  if(props.tipBody && el.value){
     el.value.removeEventListener('mouseenter', handleMouseEnter);
     el.value.removeEventListener('mouseleave', handleMouseLeave);
-  }	
+  }
 })
 
 </script>