diff --git a/src/App.vue b/src/App.vue
index 463d15a..ac3afbb 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -4,25 +4,138 @@
 
             <!-- Header -->
             <el-header class="main-header shadow-1">
+
                 <!-- LOGO -->
                 <el-avatar class="logo" shape="square" size="small" src="./favicon.ico"></el-avatar>
 
                 <!-- 菜单 -->
-                <el-menu class="menu" default-active="home" mode="horizontal">
-                    <el-menu-item index="title" class="title" disabled>Frost 网址导航</el-menu-item>
-                    <el-menu-item index="home">主页</el-menu-item>
-                    <el-menu-item index="tools" disabled>小工具</el-menu-item>
-                    <el-menu-item index="settings" disabled>设置</el-menu-item>
+                <el-menu class="menu" :default-active="headerDefaultActive" mode="horizontal" router>
+
+                    <!-- 标题 -->
+                    <el-menu-item v-show="config.storage.showSiteTitle"
+                        index="title" class="title" disabled
+                    >Frost 网址导航</el-menu-item>
+
+                    <!-- 菜单项 -->
+                    <el-menu-item v-for="item in headerMenuItems" :key="item.id"
+                        class="item-normal" :index="item.id" :route="{ name: item.routeName }"
+                    >{{ item.label }}</el-menu-item>
+
+                    <!-- 切换下拉菜单 -->
+                    <el-menu-item class="item-dropdown" @click="showHeaderDropdown = !showHeaderDropdown">
+                        <i class="el-icon-s-fold"></i>
+                    </el-menu-item>
+
                 </el-menu>
+
             </el-header>
 
+            <!-- 下拉菜单 -->
+            <el-menu :class="['header-dropdown', 'shadow-2', { show: showHeaderDropdown }]"
+                :default-active="headerDefaultActive" router
+            >
+
+                <!-- 菜单项 -->
+                <el-menu-item v-for="item in headerMenuItems" :key="item.id"
+                    class="item-normal" :index="item.id" :route="{ name: item.routeName }"
+                >{{ item.label }}</el-menu-item>
+
+            </el-menu>
+
             <!-- Container -->
-            <router-view class="main-container" />
+            <keep-alive>
+                <router-view class="main-container" />
+            </keep-alive>
 
         </el-container>
     </div>
 </template>
 
+<script>
+export default {
+    name: 'App',
+    data() {
+        return {
+            config: this.$root.config,
+            debounce: {
+                saveConfig: null,
+                updateConfig: null
+            },
+            // Header 菜单项
+            headerMenuItems: [
+                {
+                    id: 'home',
+                    label: '主页',
+                    routeName: 'Home'
+                },
+                {
+                    id: 'tools',
+                    label: '小工具',
+                    routeName: 'Tools'
+                },
+                {
+                    id: 'settings',
+                    label: '设置',
+                    routeName: 'Settings'
+                }
+            ],
+            // 显示下拉菜单
+            showHeaderDropdown: false
+        }
+    },
+    computed: {
+        // Header 默认激活的菜单项
+        headerDefaultActive() {
+            var routeName = this.$route.name;
+            var item = '';
+
+            if (routeName) {
+                item = routeName.toLowerCase();
+            }
+
+            return item;
+        }
+    },
+    watch: {
+        '$route.name': {
+            handler() {
+                // 切换路由时隐藏下拉菜单
+                this.showHeaderDropdown = false;
+            }
+        },
+        'config.storage': {
+            handler(obj) {
+                clearTimeout(this.debounce.saveConfig);
+
+                this.debounce.saveConfig = setTimeout(() => {
+                    localStorage.setItem('config', JSON.stringify(obj));
+                }, 2000);
+            },
+            deep: true
+        },
+        'config.storage.fontSize': {
+            handler(value) {
+                clearTimeout(this.debounce.updateConfig);
+
+                this.debounce.updateConfig = setTimeout(() => {
+                    // 改变字体大小
+                    document.documentElement.style.fontSize = value + 'px';
+                }, 1000);
+            }
+        }
+    },
+    mounted() {
+        var configStr = localStorage.getItem('config');
+        var configObj = {};
+
+        if (configStr != null) {
+            configObj = JSON.parse(configStr);
+            Object.assign(this.config.storage, configObj);
+        }
+    }
+}
+</script>
+
 <style lang="less">
 .main-header {
     display: flex;
@@ -31,11 +144,48 @@
     height: @headerHeight !important;
     background-color: #FFF;
 
+    @media screen and (min-width: 30rem) {
+        .menu .item-dropdown {
+            display: none;
+        }
+    }
+
+    @media screen and (max-width: 30rem) {
+        .logo {
+            display: none;
+        }
+
+        .menu {
+            .item-normal {
+                display: none;
+            }
+
+            .item-dropdown {
+                position: absolute;
+                right: 0;
+                margin: 0;
+                padding: 0;
+                line-height: 2.2rem;
+
+                i {
+                    font-size: 2em;
+                }
+            }
+        }
+    }
+
+    .logo {
+        flex-shrink: 0;
+        margin-right: 1rem;
+    }
+
     .menu {
+        flex-grow: 1;
         height: 2.5rem;
         border: none !important;
 
         > li {
+            padding: 0 1rem;
             height: 100%;
             line-height: 2.5rem;
 
@@ -46,6 +196,7 @@
         }
 
         .title {
+            padding-left: 0;
             font-size: 1.2rem;
             color: @colorPrimary;
             opacity: 1;
@@ -54,6 +205,21 @@
     }
 }
 
+.header-dropdown {
+    position: absolute !important;
+    z-index: 150;
+    top: @headerHeight;
+    left: 0;
+    width: 100%;
+    overflow: hidden;
+    transform: translateY(-100%);
+    transition: transform @transitionTime;
+
+    &.show {
+        transform: translateY(0);
+    }
+}
+
 .main-container {
     height: calc(100vh - @headerHeight);
 }
diff --git a/src/assets/css/global.less b/src/assets/css/global.less
index 7872382..c5ac9a9 100644
--- a/src/assets/css/global.less
+++ b/src/assets/css/global.less
@@ -8,11 +8,13 @@
 @colorSecondary: #67C23A;
 @colorWhite: #F9F9F9;
 
+@transitionTime: .25s;
+
 // 滚动条
 
 ::-webkit-scrollbar {
-    width: 0.5rem;
-    height: 0.5rem;
+    width: .5rem;
+    height: .5rem;
 }
 
 ::-webkit-scrollbar-track {
@@ -30,6 +32,10 @@
 
 // 标签
 
+html {
+    transition: font-size @transitionTime;
+}
+
 body {
     user-select: none;
     overflow: hidden;
@@ -50,21 +56,42 @@ body {
     .limitLine(1);
 }
 
+// 背景居中
+
+.bgCenter() {
+    background-position: center;
+    background-repeat: no-repeat;
+}
+
+.bg-center-contain {
+    .bgCenter();
+    background-size: contain;
+}
+
+.bg-center-cover {
+    .bgCenter();
+    background-size: cover;
+}
+
 // 阴影
 
 .shadow-1 {
-    box-shadow: 0 0 0.5rem rgba(0, 0, 0, 0.1);
+    box-shadow: 0 0 .5rem rgba(0, 0, 0, .1);
 }
 
 .shadow-2 {
-    box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05);
+    box-shadow: 0 .2rem .5rem rgba(0, 0, 0, .05);
+}
+
+.shadow-3 {
+    box-shadow: 0 .5rem 1rem -0.4rem rgba(0, 0, 0, .12);
 }
 
 // 载入中（链接列表）
 
 .loading-link {
-    background-color: rgba(255, 255, 255, 0.5) !important;
-    backdrop-filter: blur(0.2rem);
+    background-color: rgba(255, 255, 255, .5) !important;
+    backdrop-filter: blur(.2rem);
 
     .el-icon-loading {
         font-size: 2rem !important;
@@ -79,4 +106,4 @@ body {
 
 .el-select-dropdown {
     border: none !important;
-}
+}
\ No newline at end of file
diff --git a/src/views/Home.vue b/src/views/Home.vue
index 29f0238..ba1754a 100644
--- a/src/views/Home.vue
+++ b/src/views/Home.vue
@@ -3,7 +3,7 @@
 
         <!-- 侧边栏 -->
         <el-aside class="home-aside">
-            <el-menu class="side-nav" default-active="search" @select="changeCategory">
+            <el-menu class="side-nav" default-active="search" :collapse="config.sideMenuCollapse" @select="changeCategory">
 
                 <!-- 搜索引擎 -->
                 <el-menu-item index="search">
@@ -18,7 +18,7 @@
                 </el-menu-item>
 
                 <!-- 分类 -->
-                <el-menu-item v-for="(item, itemIndex) in navLinks" :key="'list-' + itemIndex" :index="itemIndex.toString()">
+                <el-menu-item v-for="(item, itemIndex) in navLinks.list" :key="'list-' + itemIndex" :index="itemIndex.toString()">
                     <i class="el-icon-link"></i>
                     <span slot="title">{{ item.title }}</span>
                 </el-menu-item>
@@ -28,85 +28,95 @@
 
         <!-- 内容 -->
         <el-main class="home-content">
+            <div class="wrapper">
 
-            <!-- 搜索引擎 -->
-            <div v-show="show.searchEngine" class="search-engine">
+                <!-- 搜索引擎 -->
+                <div v-show="show.searchEngine" class="search-engine">
 
-                <!-- 搜索栏 -->
-                <div class="search-bar shadow-2">
+                    <!-- 搜索栏 -->
+                    <div class="search-bar shadow-3">
 
-                    <!-- 输入 -->
-                    <input v-model="searchEngine.keyword" class="input" type="text"
-                        @keydown.enter.exact="searchEngineSubmit()"
-                    />
+                        <!-- 输入 -->
+                        <input v-model="searchEngine.keyword" class="input" type="text"
+                            @keydown.enter.exact="searchEngineSubmit()"
+                        />
+
+                        <!-- 清除 -->
+                        <div v-show="searchEngine.keyword.length > 0" class="btn btn-clear"
+                            @click="searchEngine.keyword = ''"
+                        >
+                            <i class="el-icon-close"></i>
+                        </div>
+
+                        <!-- 搜索 -->
+                        <div class="btn btn-search" @click="searchEngineSubmit()">
+                            <i class="el-icon-search"></i>
+                        </div>
 
-                    <!-- 清除 -->
-                    <div v-show="searchEngine.keyword.length > 0" class="btn btn-clear"
-                        @click="searchEngine.keyword = ''"
-                    >
-                        <i class="el-icon-close"></i>
                     </div>
 
-                    <!-- 搜索 -->
-                    <div class="btn btn-search" @click="searchEngineSubmit()">
-                        <i class="el-icon-search"></i>
-                    </div>
+                    <!-- 选择搜索引擎 -->
+                    <el-radio-group v-model="config.searchEngine" class="search-type" size="small">
+
+                        <!-- 自动生成 -->
+                        <el-radio v-for="item in searchEngine.types" :key="item.name"
+                            :label="item.name" class="shadow-2"
+                        >
+                            <Icon :path="item.icon || 'website/default.svg'" size="1.2em" />
+                            <i class="name">{{ item.name }}</i>
+                            <i class="desc">{{ item.desc }}</i>
+                        </el-radio>
+
+                        <!-- 占位 -->
+                        <el-radio label="0"></el-radio>
+
+                    </el-radio-group>
 
                 </div>
 
-                <!-- 选择搜索引擎 -->
-                <el-radio-group v-model="searchEngine.type" class="search-type" size="small">
+                <!-- 链接搜索框 -->
+                <el-input v-show="show.linkSearch" v-model="linkSearch.keyword"
+                    class="link-search shadow-2" placeholder="搜索链接" clearable
+                >
+                    <el-select slot="prepend" v-model="linkSearch.type" placeholder="类型">
+                        <el-option label="全部" value="all"></el-option>
+                        <el-option label="标题" value="title"></el-option>
+                        <el-option label="链接" value="link"></el-option>
+                    </el-select>
+                </el-input>
 
-                    <!-- 自动生成 -->
-                    <el-radio v-for="item in searchEngine.types" :key="item.name"
-                        :label="item.name" class="shadow-2"
+                <!-- 链接列表树 -->
+                <el-tree v-show="show.linkTree" ref="linkTree" class="link-tree shadow-2"
+                    :data="currentLinks" node-key="id" empty-text=""
+                    :props="{ label: 'title', children: 'sub' }" :filter-node-method="searchLink"
+                    :default-expand-all="false" :expand-on-click-node="true"
+                >
+                    <div slot-scope="{ node, data }" class="link-item" :title="data.update"
+                        @click="openLink(data.link, data.showOnly)"
                     >
-                        <i class="name">{{ item.name }}</i>
-                        <i class="desc">{{ item.desc }}</i>
-                    </el-radio>
-
-                    <!-- 占位 -->
-                    <el-radio label="0"></el-radio>
-
-                </el-radio-group>
+                        <span class="title">{{ node.label }}</span>
+                        <span class="link">{{ data.link }}</span>
+                    </div>
+                </el-tree>
 
             </div>
-
-            <!-- 链接搜索框 -->
-            <el-input v-show="show.linkSearch" v-model="linkSearch.keyword"
-                class="link-search shadow-2" placeholder="搜索链接" clearable
-            >
-                <el-select slot="prepend" v-model="linkSearch.type" placeholder="类型">
-                    <el-option label="全部" value="all"></el-option>
-                    <el-option label="标题" value="title"></el-option>
-                    <el-option label="链接" value="link"></el-option>
-                </el-select>
-            </el-input>
-
-            <!-- 链接列表树 -->
-            <el-tree v-show="show.linkTree" ref="linkTree" class="link-tree shadow-2"
-                :data="currentLinks" node-key="id" empty-text=""
-                :props="{ label: 'title', children: 'sub' }" :filter-node-method="searchLink"
-                :default-expand-all="false" :expand-on-click-node="false"
-            >
-                <div slot-scope="{ node, data }" class="link-item" :title="data.update"
-                    @click="openLink(data.link, data.showOnly)"
-                >
-                    <span class="title limit-line-1">{{ node.label }}</span>
-                    <span class="link limit-line-1">{{ data.link }}</span>
-                </div>
-            </el-tree>
-
         </el-main>
 
     </el-container>
 </template>
 
 <script>
+import Icon from '@/components/Icon.vue';
+
 export default {
     name: 'Home',
+    components: {
+        Icon
+    },
     data() {
         return {
+            config: this.$root.config.storage,
+            utils: this.$root.utils,
             // 显示的内容
             show: {
                 searchEngine: true,
@@ -116,10 +126,9 @@ export default {
             // 搜索引擎
             searchEngine: {
                 keyword: '',
-                type: this.$root.config.searchEngine.default,
-                types: this.$root.config.searchEngine.list
+                types: this.$root.config.searchEngines
             },
-            // 所有链接
+            // 导航链接
             navLinks: this.$root.navLinks,
             // 当前显示的链接
             currentLinks: [],
@@ -159,12 +168,12 @@ export default {
                 this.show.linkSearch = false;
                 this.show.linkTree = false;
             } else if (index == 'all') {
-                this.currentLinks = this.navLinks;
+                this.currentLinks = this.navLinks.list;
                 this.show.searchEngine = false;
                 this.show.linkSearch = true;
                 this.show.linkTree = true;
             } else {
-                this.currentLinks = this.navLinks[Number(index)].sub;
+                this.currentLinks = this.navLinks.list[Number(index)].sub;
                 this.show.searchEngine = false;
                 this.show.linkSearch = true;
                 this.show.linkTree = true;
@@ -240,8 +249,11 @@ export default {
             return result;
         }
     },
-    // beforeRouteEnter(from, to, next) {
-    // },
+    beforeRouteEnter(to, from, next) {
+        next(vm => {
+            vm.utils.changeTitle();
+        });
+    }
 }
 </script>
 
@@ -257,10 +269,18 @@ export default {
 }
 
 .home-content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
     position: relative;
     padding: 1rem;
     background-color: @colorWhite;
 
+    .wrapper {
+        width: 100%;
+        max-width: 60rem;
+    }
+
     /deep/ .search-engine {
         display: flex;
         align-items: center;
@@ -274,6 +294,7 @@ export default {
             top: 0.5rem;
             z-index: 100;
             width: 100%;
+            min-width: 16rem;
             max-width: 40rem;
             height: 2.8rem;
             border-radius: 0.25rem;
@@ -283,6 +304,7 @@ export default {
             .input {
                 flex-grow: 1;
                 padding-left: 1rem;
+                width: 0;
                 height: 100%;
                 outline: none;
             }
@@ -302,7 +324,7 @@ export default {
             .btn-clear {
                 width: 2rem;
                 opacity: 0.5;
-                transition: opacity 0.25s;
+                transition: opacity @transitionTime;
 
                 &:hover {
                     opacity: 1;
@@ -311,7 +333,7 @@ export default {
 
             .btn-search {
                 color: @colorPrimary;
-                transition: background 0.25s, color 0.25s;
+                transition: background @transitionTime, color @transitionTime;
 
                 &:hover {
                     background-color: @colorPrimary;
@@ -333,11 +355,13 @@ export default {
                 margin-top: 0;
                 padding: 1em;
                 width: 45%;
-                min-width: 16em;
+                min-width: 18em;
+                border-bottom: solid 0.15rem transparent;
                 border-radius: 0.25em;
                 background-color: #FFF;
                 text-align: left;
                 font-weight: normal;
+                transition: border @transitionTime;
 
                 // 隐藏占位元素
                 &:last-child {
@@ -348,6 +372,10 @@ export default {
                 &:last-child:nth-child(odd) {
                     display: none;
                 }
+
+                &.is-checked {
+                    border-bottom-color: @colorPrimary;
+                }
             }
 
             .el-radio__input {
@@ -356,11 +384,17 @@ export default {
 
             .el-radio__label {
                 padding: 0;
+                transition: color @transitionTime;
 
                 i {
+                    vertical-align: middle;
                     font-style: normal;
                 }
 
+                .fn-icon {
+                    margin-right: 0.4em;
+                }
+
                 .desc {
                     margin-left: 0.5em;
                     font-size: 0.8em;