diff --git a/Yi.Bbs.Vue3/src/layout/Index.vue b/Yi.Bbs.Vue3/src/layout/Index.vue
index 61c38e92..6e16f4b9 100644
--- a/Yi.Bbs.Vue3/src/layout/Index.vue
+++ b/Yi.Bbs.Vue3/src/layout/Index.vue
@@ -62,6 +62,6 @@ const handleScroll = () => {
   top: 0;
   left: 0;
   right: 0;
-  z-index: 99;
+  z-index: 99999;
 }
 </style>