diff --git a/src/components/menu/submenu.vue b/src/components/menu/submenu.vue
index 9d348a3..e9ab9d0 100644
--- a/src/components/menu/submenu.vue
+++ b/src/components/menu/submenu.vue
@@ -5,12 +5,20 @@
             <Icon type="ios-arrow-down" :class="[prefixCls + '-submenu-title-icon']"></Icon>
         </div>
         <ul :class="[prefixCls]" v-if="mode === 'vertical'" v-show="opened"><slot></slot></ul>
-        <Drop v-else v-show="opened" placement="bottom" transition="slide-up" v-ref:drop><slot></slot></Drop>
+        <Drop
+            v-else
+            v-show="opened"
+            placement="bottom"
+            transition="slide-up"
+            v-ref:drop
+            :style="dropStyle"><slot></slot></Drop>
     </li>
 </template>
 <script>
     import Drop from '../select/dropdown.vue';
     import Icon from '../icon/icon.vue';
+    import { getStyle } from '../../utils/assist';
+
     const prefixCls = 'ivu-menu';
 
     export default {
@@ -30,7 +38,8 @@
             return {
                 prefixCls: prefixCls,
                 active: false,
-                opened: false
+                opened: false,
+                dropWidth: parseFloat(getStyle(this.$el, 'width'))
             };
         },
         computed: {
@@ -49,6 +58,12 @@
             },
             accordion () {
                 return this.$parent.accordion;
+            },
+            dropStyle () {
+                let style = {};
+
+                if (this.dropWidth) style.minWidth = `${this.dropWidth}px`;
+                return style;
             }
         },
         methods: {
@@ -94,6 +109,8 @@
             opened (val) {
                 if (this.mode === 'vertical') return;
                 if (val) {
+                    // set drop a width to fixed when menu has fixed position
+                    this.dropWidth = parseFloat(getStyle(this.$el, 'width'));
                     this.$refs.drop.update();
                 } else {
                     this.$refs.drop.destroy();
diff --git a/src/components/rate/rate.vue b/src/components/rate/rate.vue
index e2c64c9..1f0115a 100644
--- a/src/components/rate/rate.vue
+++ b/src/components/rate/rate.vue
@@ -43,7 +43,7 @@
                     {
                         [`${prefixCls}-disabled`]: this.disabled
                     }
-                ]
+                ];
             }
         },
         methods: {
@@ -61,9 +61,9 @@
                         [`${prefixCls}-star-full`]: full,
                         [`${prefixCls}-star-zero`]: !full
                     }
-                ]
+                ];
             },
-            handleMousemove(value, event) {
+            handleMousemove(value) {
                 if (this.disabled) return;
 
                 if (this.allowHalf) {
@@ -91,7 +91,7 @@
 //                this.currentValue = this.value;
                 this.hoverIndex = -1;
             },
-            handleClick (value) {
+            handleClick () {
 
             }
         }
diff --git a/test/routers/menu.vue b/test/routers/menu.vue
index a7edc33..3150cb2 100644
--- a/test/routers/menu.vue
+++ b/test/routers/menu.vue
@@ -1,28 +1,51 @@
 <template>
-    <Menu mode="horizontal" theme="primary" active-key="1">
-        <Submenu key="1">
-            <template slot="title">
-                <Icon type="soup-can-outline"></Icon>
-                数据管理
-            </template>
-            <Menu-group title="使用">
-                <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="1-4">用户留存</Menu-item>
-                <Menu-item key="1-5">流失用户</Menu-item>
-            </Menu-group>
-        </Submenu>
-    </Menu>
-    <br>
-    <p>切换主题</p>
-    <Radio-group :model.sync="theme1">
-        <Radio value="light"></Radio>
-        <Radio value="dark"></Radio>
-        <Radio value="primary"></Radio>
-    </Radio-group>
+    <div style="margin: 50px;position:relative;top: 0;left: 0;">
+        <Menu mode="horizontal" :theme="theme1" active-key="1">
+            <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>
+            <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>
+            <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">
+                <template slot="title">
+                    <Icon type="stats-bars"></Icon>
+                    统计分析
+                </template>
+                <Menu-group title="使用">
+                    <Menu-item key="3-1">新增和新</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-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-group>
+            </Submenu>
+            <Menu-item key="4">
+                <Icon type="settings"></Icon>
+                综合设置
+            </Menu-item>
+        </Menu>
+    </div>
 </template>
 <script>
     export default {
--
libgit2 0.21.4