diff --git a/ruoyi-ui/src/assets/styles/ruoyi.scss b/ruoyi-ui/src/assets/styles/ruoyi.scss
index bb12cb77e..8fe1961b2 100644
--- a/ruoyi-ui/src/assets/styles/ruoyi.scss
+++ b/ruoyi-ui/src/assets/styles/ruoyi.scss
@@ -64,7 +64,7 @@
 	margin-top: 6vh !important;
 }
 
-.el-dialog .el-dialog__body {
+.el-dialog__wrapper.scrollbar .el-dialog .el-dialog__body {
     overflow: auto;
 	overflow-x: hidden;
 	max-height: 70vh;
@@ -137,7 +137,7 @@
 /** 表格更多操作下拉样式 */
 .el-table .el-dropdown-link {
 	cursor: pointer;
-	color: #1890ff;
+	color: #409EFF;
 	margin-left: 5px;
 }
 
diff --git a/ruoyi-ui/src/assets/styles/sidebar.scss b/ruoyi-ui/src/assets/styles/sidebar.scss
index 2f368c3dd..d2a7453f3 100644
--- a/ruoyi-ui/src/assets/styles/sidebar.scss
+++ b/ruoyi-ui/src/assets/styles/sidebar.scss
@@ -3,15 +3,15 @@
   .main-container {
     min-height: 100%;
     transition: margin-left .28s;
-    margin-left: $sideBarWidth;
+    margin-left: $base-sidebar-width;
     position: relative;
   }
 
   .sidebar-container {
     -webkit-transition: width .28s;
     transition: width 0.28s;
-    width: $sideBarWidth !important;
-    background-color: $menuBg;
+    width: $base-sidebar-width !important;
+    background-color: $base-menu-background;
     height: 100%;
     position: fixed;
     font-size: 0px;
@@ -81,12 +81,12 @@
     }
 
     & .theme-dark .is-active > .el-submenu__title {
-      color: $subMenuActiveText !important;
+      color: $base-menu-color-active !important;
     }
 
     & .nest-menu .el-submenu>.el-submenu__title,
     & .el-submenu .el-menu-item {
-      min-width: $sideBarWidth !important;
+      min-width: $base-sidebar-width !important;
 
       &:hover {
         background-color: rgba(0, 0, 0, 0.06) !important;
@@ -95,10 +95,10 @@
 
     & .theme-dark .nest-menu .el-submenu>.el-submenu__title,
     & .theme-dark .el-submenu .el-menu-item {
-      background-color: $subMenuBg !important;
+      background-color: $base-sub-menu-background !important;
 
       &:hover {
-        background-color: $subMenuHover !important;
+        background-color: $base-sub-menu-hover !important;
       }
     }
   }
@@ -154,7 +154,7 @@
   }
 
   .el-menu--collapse .el-menu .el-submenu {
-    min-width: $sideBarWidth !important;
+    min-width: $base-sidebar-width !important;
   }
 
   // mobile responsive
@@ -165,14 +165,14 @@
 
     .sidebar-container {
       transition: transform .28s;
-      width: $sideBarWidth !important;
+      width: $base-sidebar-width !important;
     }
 
     &.hideSidebar {
       .sidebar-container {
         pointer-events: none;
         transition-duration: 0.3s;
-        transform: translate3d(-$sideBarWidth, 0, 0);
+        transform: translate3d(-$base-sidebar-width, 0, 0);
       }
     }
   }
diff --git a/ruoyi-ui/src/assets/styles/variables.scss b/ruoyi-ui/src/assets/styles/variables.scss
index 452a1ece0..34484d47e 100644
--- a/ruoyi-ui/src/assets/styles/variables.scss
+++ b/ruoyi-ui/src/assets/styles/variables.scss
@@ -8,37 +8,47 @@ $tiffany: #4AB7BD;
 $yellow:#FEC171;
 $panGreen: #30B08F;
 
-// sidebar
-$menuText:#bfcbd9;
-$menuActiveText:#409EFF;
-$subMenuActiveText:#f4f4f5; // https://github.com/ElemeFE/element/issues/12951
+// 默认菜单主题风格
+$base-menu-color:#bfcbd9;
+$base-menu-color-active:#f4f4f5;
+$base-menu-background:#304156;
+$base-logo-title-color: #ffffff;
 
-$menuBg:#304156;
-$menuHover:#263445;
-$sidebarTitle: #ffffff;
+$base-menu-light-color:rgba(0,0,0,.70);
+$base-menu-light-background:#ffffff;
+$base-logo-light-title-color: #001529;
 
-$menuLightBg:#ffffff;
-$menuLightHover:#f0f1f5;
-$sidebarLightTitle: #001529;
+$base-sub-menu-background:#1f2d3d;
+$base-sub-menu-hover:#001528;
 
-$subMenuBg:#1f2d3d;
-$subMenuHover:#001528;
+// 自定义暗色菜单风格
+/**
+$base-menu-color:hsla(0,0%,100%,.65);
+$base-menu-color-active:#fff;
+$base-menu-background:#001529;
+$base-logo-title-color: #ffffff;
 
-$sideBarWidth: 200px;
+$base-menu-light-color:rgba(0,0,0,.70);
+$base-menu-light-background:#ffffff;
+$base-logo-light-title-color: #001529;
+
+$base-sub-menu-background:#000c17;
+$base-sub-menu-hover:#001528;
+*/
+
+$base-sidebar-width: 200px;
 
 // the :export directive is the magic sauce for webpack
 // https://www.bluematador.com/blog/how-to-share-variables-between-js-and-sass
 :export {
-  menuText: $menuText;
-  menuActiveText: $menuActiveText;
-  subMenuActiveText: $subMenuActiveText;
-  menuBg: $menuBg;
-  menuHover: $menuHover;
-  menuLightBg: $menuLightBg;
-  menuLightHover: $menuLightHover;
-  subMenuBg: $subMenuBg;
-  subMenuHover: $subMenuHover;
-  sideBarWidth: $sideBarWidth;
-  sidebarTitle: $sidebarTitle;
-  sidebarLightTitle: $sidebarLightTitle
+  menuColor: $base-menu-color;
+  menuLightColor: $base-menu-light-color;
+  menuColorActive: $base-menu-color-active;
+  menuBackground: $base-menu-background;
+  menuLightBackground: $base-menu-light-background;
+  subMenuBackground: $base-sub-menu-background;
+  subMenuHover: $base-sub-menu-hover;
+  sideBarWidth: $base-sidebar-width;
+  logoTitleColor: $base-logo-title-color;
+  logoLightTitleColor: $base-logo-light-title-color
 }
diff --git a/ruoyi-ui/src/components/ThemePicker/index.vue b/ruoyi-ui/src/components/ThemePicker/index.vue
index b0df471ca..5589f5fff 100644
--- a/ruoyi-ui/src/components/ThemePicker/index.vue
+++ b/ruoyi-ui/src/components/ThemePicker/index.vue
@@ -31,13 +31,24 @@ export default {
       immediate: true
     },
     async theme(val) {
+      await this.setTheme(val)
+    }
+  },
+  created() {
+    if(this.defaultTheme !== ORIGINAL_THEME) {
+      this.setTheme(this.defaultTheme)
+    }
+  },
+
+  methods: {
+    async setTheme(val) {
       const oldVal = this.chalk ? this.theme : ORIGINAL_THEME
       if (typeof val !== 'string') return
       const themeCluster = this.getThemeCluster(val.replace('#', ''))
       const originalCluster = this.getThemeCluster(oldVal.replace('#', ''))
 
       const $message = this.$message({
-        message: '  Compiling the theme',
+        message: '  正在切换主题，请稍后...',
         customClass: 'theme-message',
         type: 'success',
         duration: 0,
@@ -82,10 +93,9 @@ export default {
       this.$emit('change', val)
 
       $message.close()
-    }
-  },
 
-  methods: {
+    },
+
     updateStyle(style, oldCluster, newCluster) {
       let newStyle = style
       oldCluster.forEach((color, index) => {
diff --git a/ruoyi-ui/src/layout/components/Sidebar/Logo.vue b/ruoyi-ui/src/layout/components/Sidebar/Logo.vue
index 0de00ce14..416968737 100644
--- a/ruoyi-ui/src/layout/components/Sidebar/Logo.vue
+++ b/ruoyi-ui/src/layout/components/Sidebar/Logo.vue
@@ -1,13 +1,13 @@
 <template>
-  <div class="sidebar-logo-container" :class="{'collapse':collapse}" :style="{ backgroundColor: sideTheme === 'theme-dark' ? variables.menuBg : variables.menuLightBg }">
+  <div class="sidebar-logo-container" :class="{'collapse':collapse}" :style="{ backgroundColor: sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }">
     <transition name="sidebarLogoFade">
       <router-link v-if="collapse" key="collapse" class="sidebar-logo-link" to="/">
         <img v-if="logo" :src="logo" class="sidebar-logo" />
-        <h1 v-else class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.sidebarTitle : variables.sidebarLightTitle }">{{ title }} </h1>
+        <h1 v-else class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">{{ title }} </h1>
       </router-link>
       <router-link v-else key="expand" class="sidebar-logo-link" to="/">
         <img v-if="logo" :src="logo" class="sidebar-logo" />
-        <h1 class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.sidebarTitle : variables.sidebarLightTitle }">{{ title }} </h1>
+        <h1 class="sidebar-title" :style="{ color: sideTheme === 'theme-dark' ? variables.logoTitleColor : variables.logoLightTitleColor }">{{ title }} </h1>
       </router-link>
     </transition>
   </div>
diff --git a/ruoyi-ui/src/layout/components/Sidebar/index.vue b/ruoyi-ui/src/layout/components/Sidebar/index.vue
index 9e5d2bb3a..51d0839f3 100644
--- a/ruoyi-ui/src/layout/components/Sidebar/index.vue
+++ b/ruoyi-ui/src/layout/components/Sidebar/index.vue
@@ -1,12 +1,12 @@
 <template>
-    <div :class="{'has-logo':showLogo}" :style="{ backgroundColor: settings.sideTheme === 'theme-dark' ? variables.menuBg : variables.menuLightBg }">
+    <div :class="{'has-logo':showLogo}" :style="{ backgroundColor: settings.sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground }">
         <logo v-if="showLogo" :collapse="isCollapse" />
         <el-scrollbar :class="settings.sideTheme" wrap-class="scrollbar-wrapper">
             <el-menu
                 :default-active="activeMenu"
                 :collapse="isCollapse"
-                :background-color="settings.sideTheme === 'theme-dark' ? variables.menuBg : variables.menuLightBg"
-                :text-color="settings.sideTheme === 'theme-dark' ? variables.menuText : 'rgba(0,0,0,.65)'"
+                :background-color="settings.sideTheme === 'theme-dark' ? variables.menuBackground : variables.menuLightBackground"
+                :text-color="settings.sideTheme === 'theme-dark' ? variables.menuColor : variables.menuLightColor"
                 :unique-opened="true"
                 :active-text-color="settings.theme"
                 :collapse-transition="false"
diff --git a/ruoyi-ui/src/layout/components/TagsView/index.vue b/ruoyi-ui/src/layout/components/TagsView/index.vue
index 6caf35078..99bb28969 100644
--- a/ruoyi-ui/src/layout/components/TagsView/index.vue
+++ b/ruoyi-ui/src/layout/components/TagsView/index.vue
@@ -18,11 +18,12 @@
       </router-link>
     </scroll-pane>
     <ul v-show="visible" :style="{left:left+'px',top:top+'px'}" class="contextmenu">
-      <li @click="refreshSelectedTag(selectedTag)">刷新页面</li>
-      <li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)">关闭当前</li>
-      <li @click="closeOthersTags">关闭其他</li>
-      <li v-if="!isLastView()" @click="closeRightTags">关闭右侧</li>
-      <li @click="closeAllTags(selectedTag)">关闭所有</li>
+      <li @click="refreshSelectedTag(selectedTag)"><i class="el-icon-refresh-right"></i> 刷新页面</li>
+      <li v-if="!isAffix(selectedTag)" @click="closeSelectedTag(selectedTag)"><i class="el-icon-close"></i> 关闭当前</li>
+      <li @click="closeOthersTags"><i class="el-icon-circle-close"></i> 关闭其他</li>
+      <li v-if="!isFirstView()" @click="closeLeftTags"><i class="el-icon-back"></i> 关闭左侧</li>
+      <li v-if="!isLastView()" @click="closeRightTags"><i class="el-icon-right"></i> 关闭右侧</li>
+      <li @click="closeAllTags(selectedTag)"><i class="el-icon-circle-close"></i> 全部关闭</li>
     </ul>
   </div>
 </template>
@@ -84,6 +85,13 @@ export default {
     isAffix(tag) {
       return tag.meta && tag.meta.affix
     },
+    isFirstView() {
+      try {
+        return this.selectedTag.fullPath === this.visitedViews[1].fullPath || this.selectedTag.fullPath === '/index'
+      } catch (err) {
+        return false
+      }
+    },
     isLastView() {
       try {
         return this.selectedTag.fullPath === this.visitedViews[this.visitedViews.length - 1].fullPath
@@ -167,6 +175,13 @@ export default {
         }
       })
     },
+    closeLeftTags() {
+      this.$store.dispatch('tagsView/delLeftTags', this.selectedTag).then(visitedViews => {
+        if (!visitedViews.find(i => i.fullPath === this.$route.fullPath)) {
+          this.toLastView(visitedViews)
+        }
+      })
+    },
     closeOthersTags() {
       this.$router.push(this.selectedTag).catch(()=>{});
       this.$store.dispatch('tagsView/delOthersViews', this.selectedTag).then(() => {
diff --git a/ruoyi-ui/src/layout/index.vue b/ruoyi-ui/src/layout/index.vue
index 2db1a9b45..214d86ffe 100644
--- a/ruoyi-ui/src/layout/index.vue
+++ b/ruoyi-ui/src/layout/index.vue
@@ -1,7 +1,7 @@
 <template>
   <div :class="classObj" class="app-wrapper" :style="{'--current-color': theme}">
     <div v-if="device==='mobile'&&sidebar.opened" class="drawer-bg" @click="handleClickOutside"/>
-    <sidebar class="sidebar-container" :style="{ backgroundColor: sideTheme === 'theme-dark' ? variables.menuBg : variables.menuLightBg }" />
+    <sidebar class="sidebar-container"/>
     <div :class="{hasTagsView:needTagsView}" class="main-container">
       <div :class="{'fixed-header':fixedHeader}">
         <navbar />
@@ -93,7 +93,7 @@ export default {
     top: 0;
     right: 0;
     z-index: 9;
-    width: calc(100% - #{$sideBarWidth});
+    width: calc(100% - #{$base-sidebar-width});
     transition: width 0.28s;
   }
 
diff --git a/ruoyi-ui/src/store/modules/settings.js b/ruoyi-ui/src/store/modules/settings.js
index 647a8ce0c..5f36d8eee 100644
--- a/ruoyi-ui/src/store/modules/settings.js
+++ b/ruoyi-ui/src/store/modules/settings.js
@@ -1,4 +1,3 @@
-import variables from '@/assets/styles/element-variables.scss'
 import defaultSettings from '@/settings'
 
 const { sideTheme, showSettings, topNav, tagsView, fixedHeader, sidebarLogo, dynamicTitle } = defaultSettings
@@ -6,7 +5,7 @@ const { sideTheme, showSettings, topNav, tagsView, fixedHeader, sidebarLogo, dyn
 const storageSetting = JSON.parse(localStorage.getItem('layout-setting')) || ''
 const state = {
   title: '',
-  theme: storageSetting.theme || variables.theme,
+  theme: storageSetting.theme || '#409EFF',
   sideTheme: storageSetting.sideTheme || sideTheme,
   showSettings: showSettings,
   topNav:  storageSetting.topNav === undefined ? topNav : storageSetting.topNav,
diff --git a/ruoyi-ui/src/store/modules/tagsView.js b/ruoyi-ui/src/store/modules/tagsView.js
index 68bb81d42..ef2fe4caf 100644
--- a/ruoyi-ui/src/store/modules/tagsView.js
+++ b/ruoyi-ui/src/store/modules/tagsView.js
@@ -63,7 +63,7 @@ const mutations = {
       }
     }
   },
-
+  
   DEL_RIGHT_VIEWS: (state, view) => {
     const index = state.visitedViews.findIndex(v => v.path === view.path)
     if (index === -1) {
@@ -79,6 +79,23 @@ const mutations = {
       }
       return false
     })
+  },
+
+  DEL_LEFT_VIEWS: (state, view) => {
+    const index = state.visitedViews.findIndex(v => v.path === view.path)
+    if (index === -1) {
+      return
+    }
+    state.visitedViews = state.visitedViews.filter((item, idx) => {
+      if (idx >= index || (item.meta && item.meta.affix)) {
+        return true
+      }
+      const i = state.cachedViews.indexOf(item.name)
+      if (i > -1) {
+        state.cachedViews.splice(i, 1)
+      }
+      return false
+    })
   }
 }
 
@@ -172,7 +189,14 @@ const actions = {
       commit('DEL_RIGHT_VIEWS', view)
       resolve([...state.visitedViews])
     })
-  }
+  },
+
+  delLeftTags({ commit }, view) {
+    return new Promise(resolve => {
+      commit('DEL_LEFT_VIEWS', view)
+      resolve([...state.visitedViews])
+    })
+  },
 }
 
 export default {
diff --git a/ruoyi-ui/src/views/monitor/job/index.vue b/ruoyi-ui/src/views/monitor/job/index.vue
index 03425f74c..73bb375e3 100644
--- a/ruoyi-ui/src/views/monitor/job/index.vue
+++ b/ruoyi-ui/src/views/monitor/job/index.vue
@@ -95,7 +95,7 @@
 
     <el-table v-loading="loading" :data="jobList" @selection-change="handleSelectionChange">
       <el-table-column type="selection" width="55" align="center" />
-      <el-table-column label="任务编号" align="center" prop="jobId" />
+      <el-table-column label="任务编号" width="100" align="center" prop="jobId" />
       <el-table-column label="任务名称" align="center" prop="jobName" :show-overflow-tooltip="true" />
       <el-table-column label="任务组名" align="center" prop="jobGroup">
         <template slot-scope="scope">
@@ -240,7 +240,7 @@
       </div>
     </el-dialog>
 
-    <el-dialog title="Cron表达式生成器" :visible.sync="openCron">
+    <el-dialog title="Cron表达式生成器" :visible.sync="openCron" append-to-body class="scrollbar">
       <crontab @hide="openCron=false" @fill="crontabFill" :expression="expression"></crontab>
     </el-dialog>
 
diff --git a/ruoyi-ui/src/views/system/dept/index.vue b/ruoyi-ui/src/views/system/dept/index.vue
index edb8d7cdc..037c99843 100644
--- a/ruoyi-ui/src/views/system/dept/index.vue
+++ b/ruoyi-ui/src/views/system/dept/index.vue
@@ -37,14 +37,24 @@
           v-hasPermi="['system:dept:add']"
         >新增</el-button>
       </el-col>
+      <el-col :span="1.5">
+        <el-button
+          type="info"
+          plain
+          icon="el-icon-sort"
+          size="mini"
+          @click="toggleExpandAll"
+        >展开/折叠</el-button>
+      </el-col>
       <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
     </el-row>
 
     <el-table
+      v-if="refreshTable"
       v-loading="loading"
       :data="deptList"
       row-key="deptId"
-      default-expand-all
+      :default-expand-all="isExpandAll"
       :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
     >
       <el-table-column prop="deptName" label="部门名称" width="260"></el-table-column>
@@ -164,6 +174,12 @@ export default {
       title: "",
       // 是否显示弹出层
       open: false,
+      // 是否展开，默认全部展开
+      isExpandAll: true,
+      // 重新渲染表格状态
+      refreshTable: true,
+      // 是否展开
+      expand: false,
       // 状态数据字典
       statusOptions: [],
       // 查询参数
@@ -267,6 +283,14 @@ export default {
 	        this.deptOptions = this.handleTree(response.data, "deptId");
       });
     },
+    /** 展开/折叠操作 */
+    toggleExpandAll() {
+      this.refreshTable = false;
+      this.isExpandAll = !this.isExpandAll;
+      this.$nextTick(() => {
+        this.refreshTable = true;
+      });
+    },
     /** 修改按钮操作 */
     handleUpdate(row) {
       this.reset();
diff --git a/ruoyi-ui/src/views/system/menu/index.vue b/ruoyi-ui/src/views/system/menu/index.vue
index e59d1a6ca..f3aa64ae8 100644
--- a/ruoyi-ui/src/views/system/menu/index.vue
+++ b/ruoyi-ui/src/views/system/menu/index.vue
@@ -37,13 +37,24 @@
           v-hasPermi="['system:menu:add']"
         >新增</el-button>
       </el-col>
+      <el-col :span="1.5">
+        <el-button
+          type="info"
+          plain
+          icon="el-icon-sort"
+          size="mini"
+          @click="toggleExpandAll"
+        >展开/折叠</el-button>
+      </el-col>
       <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
     </el-row>
 
     <el-table
+      v-if="refreshTable"
       v-loading="loading"
       :data="menuList"
       row-key="menuId"
+      :default-expand-all="isExpandAll"
       :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
     >
       <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
@@ -275,6 +286,10 @@ export default {
       title: "",
       // 是否显示弹出层
       open: false,
+      // 是否展开，默认全部折叠
+      isExpandAll: false,
+      // 重新渲染表格状态
+      refreshTable: true,
       // 显示状态数据字典
       visibleOptions: [],
       // 菜单状态数据字典
@@ -384,6 +399,14 @@ export default {
       this.open = true;
       this.title = "添加菜单";
     },
+    /** 展开/折叠操作 */
+    toggleExpandAll() {
+      this.refreshTable = false;
+      this.isExpandAll = !this.isExpandAll;
+      this.$nextTick(() => {
+        this.refreshTable = true;
+      });
+    },
     /** 修改按钮操作 */
     handleUpdate(row) {
       this.reset();
diff --git a/ruoyi-ui/src/views/tool/gen/index.vue b/ruoyi-ui/src/views/tool/gen/index.vue
index b1cd1a0e0..1548704e2 100644
--- a/ruoyi-ui/src/views/tool/gen/index.vue
+++ b/ruoyi-ui/src/views/tool/gen/index.vue
@@ -161,7 +161,7 @@
       @pagination="getList"
     />
     <!-- 预览界面 -->
-    <el-dialog :title="preview.title" :visible.sync="preview.open" width="80%" top="5vh" append-to-body>
+    <el-dialog :title="preview.title" :visible.sync="preview.open" width="80%" top="5vh" append-to-body class="scrollbar">
       <el-tabs v-model="preview.activeName">
         <el-tab-pane
           v-for="(value, key) in preview.data"