diff --git a/src/components/main/components/fullscreen/fullscreen.vue b/src/components/main/components/fullscreen/fullscreen.vue
deleted file mode 100644
index d5213fa..0000000
--- a/src/components/main/components/fullscreen/fullscreen.vue
+++ /dev/null
@@ -1,84 +0,0 @@
-<template>
-  <div v-if="showFullScreenBtn" class="full-screen-btn-con">
-    <Tooltip :content="value ? '退出全屏' : '全屏'" placement="bottom">
-      <Icon @click.native="handleChange" :type="value ? 'md-contract' : 'md-expand'" :size="23"></Icon>
-    </Tooltip>
-  </div>
-</template>
-
-<script>
-export default {
-  name: 'Fullscreen',
-  computed: {
-    showFullScreenBtn () {
-      return window.navigator.userAgent.indexOf('MSIE') < 0
-    }
-  },
-  props: {
-    value: {
-      type: Boolean,
-      default: false
-    }
-  },
-  methods: {
-    handleFullscreen () {
-      let main = document.body
-      if (this.value) {
-        if (document.exitFullscreen) {
-          document.exitFullscreen()
-        } else if (document.mozCancelFullScreen) {
-          document.mozCancelFullScreen()
-        } else if (document.webkitCancelFullScreen) {
-          document.webkitCancelFullScreen()
-        } else if (document.msExitFullscreen) {
-          document.msExitFullscreen()
-        }
-      } else {
-        if (main.requestFullscreen) {
-          main.requestFullscreen()
-        } else if (main.mozRequestFullScreen) {
-          main.mozRequestFullScreen()
-        } else if (main.webkitRequestFullScreen) {
-          main.webkitRequestFullScreen()
-        } else if (main.msRequestFullscreen) {
-          main.msRequestFullscreen()
-        }
-      }
-    },
-    handleChange () {
-      this.handleFullscreen()
-    }
-  },
-  mounted () {
-    let isFullscreen = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen
-    isFullscreen = !!isFullscreen
-    document.addEventListener('fullscreenchange', () => {
-      this.$emit('input', !this.value)
-      this.$emit('on-change', !this.value)
-    })
-    document.addEventListener('mozfullscreenchange', () => {
-      this.$emit('input', !this.value)
-      this.$emit('on-change', !this.value)
-    })
-    document.addEventListener('webkitfullscreenchange', () => {
-      this.$emit('input', !this.value)
-      this.$emit('on-change', !this.value)
-    })
-    document.addEventListener('msfullscreenchange', () => {
-      this.$emit('input', !this.value)
-      this.$emit('on-change', !this.value)
-    })
-    this.$emit('input', isFullscreen)
-  }
-}
-</script>
-
-<style lang="less">
-.full-screen-btn-con .ivu-tooltip-rel{
-  height: 64px;
-  line-height: 56px;
-  i{
-    cursor: pointer;
-  }
-}
-</style>
diff --git a/src/components/main/components/fullscreen/index.js b/src/components/main/components/fullscreen/index.js
deleted file mode 100644
index 422c7c1..0000000
--- a/src/components/main/components/fullscreen/index.js
+++ /dev/null
@@ -1,2 +0,0 @@
-import Fullscreen from './fullscreen.vue'
-export default Fullscreen
diff --git a/src/components/main/components/user/user.less b/src/components/main/components/user/user.less
index f8366e1..efbdff9 100644
--- a/src/components/main/components/user/user.less
+++ b/src/components/main/components/user/user.less
@@ -3,34 +3,31 @@
     cursor: pointer;
     display: inline-block;
     vertical-align: middle;
-    padding: 4px 8px;
-    border-radius: 18px;
+    padding: 4px 10px;
+    border-radius: 20px;
     transition: background .18s;
     &:hover{
       background: rgba(79, 110, 247, .08);
     }
-    // 头像：小尺寸、无描边无光晕，安静融入顶栏
+    // 头像：白色描边 + 主色光晕，悬浮轻微放大
     .user-avatar{
-      width: 28px;
-      height: 28px;
-      font-size: 13px;
+      width: 34px;
+      height: 34px;
+      font-size: 16px;
       vertical-align: middle;
+      box-shadow: 0 0 0 2px #fff, 0 2px 6px rgba(79, 110, 247, .25);
+      transition: transform .15s;
     }
-    // 姓名与下拉箭头：常规字重、浅色，视觉减重
+    &:hover .user-avatar{
+      transform: scale(1.06);
+    }
+    // 姓名：常规字重，与头像平衡
     .user-nick{
       font-size: 14px;
-      font-weight: 400;
-      color: #515a6e;
-      margin: 0 2px 0 8px;
+      font-weight: 500;
+      color: #3d4a66;
+      margin-left: 8px;
       vertical-align: middle;
     }
-    .user-arrow{
-      vertical-align: middle;
-      color: #a3b0c9;
-      transition: transform .18s;
-    }
-    &:hover .user-arrow{
-      transform: rotate(180deg);
-    }
   }
 }
diff --git a/src/components/main/components/user/user.vue b/src/components/main/components/user/user.vue
index d60b2cc..20b8486 100644
--- a/src/components/main/components/user/user.vue
+++ b/src/components/main/components/user/user.vue
@@ -3,7 +3,6 @@
     <Dropdown @on-click="handleClick">
       <Avatar :key="userAvator" :src="userAvator || undefined" class="user-avatar" :style="avatarStyle">{{ avatarText }}</Avatar>
       <span class="user-nick">{{ nickname }}</span>
-      <Icon :size="18" class="user-arrow" type="md-arrow-dropdown"></Icon>
       <DropdownMenu slot="list">
         <DropdownItem name="personal-center">个人中心</DropdownItem>
         <DropdownItem name="logout" style="color: #ed4014" divided>退出登录</DropdownItem>
diff --git a/src/components/main/main.less b/src/components/main/main.less
index ac9ea4c..2f9f986 100644
--- a/src/components/main/main.less
+++ b/src/components/main/main.less
@@ -58,7 +58,8 @@
   .left-sider{
     // 浅灰蓝侧边栏：比内容区深半档，形成层次但不沉重
     background: #f0f3fa;
-    box-shadow: 1px 0 0 #e2e8f5;
+    // 分隔线用 border 而非 box-shadow：阴影会被右侧内容区（标签栏等）背景盖住
+    border-right: 1px solid #e2e8f5;
     .ivu-layout-sider-children{
       overflow-y: scroll;
       margin-right: -18px;
diff --git a/src/components/main/main.vue b/src/components/main/main.vue
index 5f287b2..bc02040 100644
--- a/src/components/main/main.vue
+++ b/src/components/main/main.vue
@@ -14,7 +14,6 @@
         <header-bar :collapsed="collapsed" @on-coll-change="handleCollapsedChange">
           <user :nickname="nickname" :user-avator="userAvator"/>
           <error-store v-if="$config.plugin['error-store'] && $config.plugin['error-store'].showInHeader" :has-read="hasReadErrorPage" :count="errorCount"></error-store>
-          <fullscreen v-model="isFullscreen" style="margin-right: 10px;"/>
         </header-bar>
       </Header>
       <Content class="main-content-con">
@@ -37,7 +36,6 @@ import SideMenu from './components/side-menu'
 import HeaderBar from './components/header-bar'
 import TagsNav from './components/tags-nav'
 import User from './components/user'
-import Fullscreen from './components/fullscreen'
 import ErrorStore from './components/error-store'
 import { mapMutations, mapActions, mapGetters } from 'vuex'
 import { getNewTagList, getNextRoute, routeEqual } from '@/libs/util'
@@ -48,14 +46,12 @@ export default {
     SideMenu,
     HeaderBar,
     TagsNav,
-    Fullscreen,
     ErrorStore,
     User
   },
   data () {
     return {
-      collapsed: false,
-      isFullscreen: false
+      collapsed: false
     }
   },
   computed: {