diff --git a/src/layout/eHeader/index.vue b/src/layout/eHeader/index.vue
index a7da531..6d60e90 100644
--- a/src/layout/eHeader/index.vue
+++ b/src/layout/eHeader/index.vue
@@ -91,6 +91,7 @@ export default {
   #nav-collapse {
     position: fixed;
     width: 100%;
+    z-index: 99999;
   }
 }
 </style>