diff --git a/src/styles/components/menu.less b/src/styles/components/menu.less
index bccc2219..8e5eab8c 100644
--- a/src/styles/components/menu.less
+++ b/src/styles/components/menu.less
@@ -109,7 +109,8 @@
     }
 
     &-horizontal &-submenu .@{select-dropdown-prefix-cls} {
-        width: 100%;
+        min-width: 100%;
+        width: auto;
         .@{menu-prefix-cls}-item{
             height: auto;
             line-height: normal;
diff --git a/test/routers/menu.vue b/test/routers/menu.vue
index 68ed9222..a7edc33f 100644
--- a/test/routers/menu.vue
+++ b/test/routers/menu.vue
@@ -1,33 +1,20 @@
 <template>
-    <Menu mode="horizontal" :theme="theme1" active-key="1">
-        <i-button>test</i-button>
-        <Menu-item key="1">
-            <Icon type="ios-paper"></Icon>
-            内容管理
-        </Menu-item>
-        <Menu-item key="2">
-            <Icon type="ios-people"></Icon>
-            用户管理
-        </Menu-item>
-        <Submenu key="3">
+    <Menu mode="horizontal" theme="primary" active-key="1">
+        <Submenu key="1">
             <template slot="title">
-                <Icon type="stats-bars"></Icon>
-                统计分析
+                <Icon type="soup-can-outline"></Icon>
+                数据管理
             </template>
             <Menu-group title="使用">
-                <Menu-item key="3-1">新增和启动</Menu-item>
-                <Menu-item key="3-2">活跃分析</Menu-item>
-                <Menu-item key="3-3">时段分析</Menu-item>
+                <Menu-item key="1-1">新增和启动新增和启动</Menu-item>
+                <Menu-item key="1-2">活跃分析</Menu-item>
+                <Menu-item key="1-3">时段分析</Menu-item>
             </Menu-group>
             <Menu-group title="留存">
-                <Menu-item key="3-4">用户留存</Menu-item>
-                <Menu-item key="3-5">流失用户</Menu-item>
+                <Menu-item key="1-4">用户留存</Menu-item>
+                <Menu-item key="1-5">流失用户</Menu-item>
             </Menu-group>
         </Submenu>
-        <Menu-item key="4">
-            <Icon type="settings"></Icon>
-            综合设置
-        </Menu-item>
     </Menu>
     <br>
     <p>切换主题</p>