diff --git a/src/layout/index.vue b/src/layout/index.vue
index 3d641186..b4a576df 100644
--- a/src/layout/index.vue
+++ b/src/layout/index.vue
@@ -235,6 +235,7 @@ function handleToggleSidebar() {
         width: 100%;
         height: 50px;
         line-height: 50px;
+        box-shadow: 0 0 6px -2px var(--el-color-primary);
       }
     }