diff --git a/app/src/assets/scss/protyle/_wysiwyg.scss b/app/src/assets/scss/protyle/_wysiwyg.scss
index 7c453faf2..30e4f8503 100644
--- a/app/src/assets/scss/protyle/_wysiwyg.scss
+++ b/app/src/assets/scss/protyle/_wysiwyg.scss
@@ -44,6 +44,7 @@
 
       &__bottom::after {
         bottom: -4px;
+        top: auto;
       }
 
       &__left::after,