diff --git a/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue b/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
index 3b86c90..aceb257 100644
--- a/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
+++ b/src/views/creative-generation-workshop/manuscript/check/components/content-card/highlight-textarea.vue
@@ -152,6 +152,7 @@ const handleTextareaScroll = (e: Event) => {
     resize: vertical;
     white-space: pre-wrap;
     word-wrap: break-word;
+    z-index: inherit;
   }
   .textarea-highlight {
     @include textarea-style;