diff --git a/src/layout/Layout.vue b/src/layout/Layout.vue
index 4400b7f..4472436 100644
--- a/src/layout/Layout.vue
+++ b/src/layout/Layout.vue
@@ -14,14 +14,14 @@
           <!--标签栏-->
           <tags-view v-if="needTagsView" />
           <!--主内容包裹在el-scrollbar中-->
-          <el-scrollbar>
+          <el-scrollbar class="no-head-scrollbar">
             <app-main/>
           </el-scrollbar>
         </div>
         <!--为开始固定头部设置-->
         <div v-else>
           <!--导航，tagsView都包裹在el-scrollbar中-->
-          <el-scrollbar>
+          <el-scrollbar class="has-head-scrollbar">
             <navbar/>
             <tags-view v-if="needTagsView" />
             <app-main/>
@@ -102,7 +102,13 @@
     position: absolute;
     z-index: 999;
   }
-  .el-scrollbar{
-    height: calc(100vh - 50px);
+  /*.el-scrollbar{*/
+    /*height: calc(100vh - 50px);*/
+  /*}*/
+  .no-head-scrollbar{
+    height: calc(100vh - 84px);
+  }
+  .has-head-scrollbar{
+    height: 100vh;
   }
 </style>