diff --git a/package-lock.json b/package-lock.json
index ad3594d..e8d3ae0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,10 +9,12 @@
       "version": "0.0.0",
       "dependencies": {
         "@element-plus/icons-vue": "^2.1.0",
+        "@vueuse/core": "^10.7.0",
         "dayjs": "^1.11.8",
         "element-plus": "^2.3.4",
         "lodash": "^4.17.21",
         "pinia": "^2.0.32",
+        "pinia-plugin-persistedstate": "^3.2.0",
         "vue": "^3.2.47",
         "vue-i18n": "^9.2.2",
         "vue-router": "^4.1.6"
@@ -635,9 +637,9 @@
       }
     },
     "node_modules/@types/web-bluetooth": {
-      "version": "0.0.16",
-      "resolved": "https://registry.npmjs.org/@types/web-bluetooth/-/web-bluetooth-0.0.16.tgz",
-      "integrity": "sha512-oh8q2Zc32S6gd/j50GowEjKLoOVOwHP/bWVjKJInBwQqdOYMdPrf1oVlelTlyfFK3CKxL1uahMDAr+vy8T7yMQ=="
+      "version": "0.0.20",
+      "resolved": "https://registry.npmjs.org/@types/web-bluetooth/-/web-bluetooth-0.0.20.tgz",
+      "integrity": "sha512-g9gZnnXVq7gM7v3tJCWV/qw7w+KeOlSHAhgF9RytFyifW6AF61hdT2ucrYhPq9hLs5JIryeupHV3qGk95dH9ow=="
     },
     "node_modules/@vitejs/plugin-vue": {
       "version": "4.2.1",
@@ -778,23 +780,23 @@
       "integrity": "sha512-BHGyyGN3Q97EZx0taMQ+OLNuZcW3d37ZEVmEAyeoA9ERdGvm9Irc/0Fua8SNyOtV1w6BS4q25wbMzJujO9HIfQ=="
     },
     "node_modules/@vueuse/core": {
-      "version": "9.13.0",
-      "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-9.13.0.tgz",
-      "integrity": "sha512-pujnclbeHWxxPRqXWmdkKV5OX4Wk4YeK7wusHqRwU0Q7EFusHoqNA/aPhB6KCh9hEqJkLAJo7bb0Lh9b+OIVzw==",
+      "version": "10.7.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-10.7.0.tgz",
+      "integrity": "sha512-4EUDESCHtwu44ZWK3Gc/hZUVhVo/ysvdtwocB5vcauSV4B7NiGY5972WnsojB3vRNdxvAt7kzJWE2h9h7C9d5w==",
       "dependencies": {
-        "@types/web-bluetooth": "^0.0.16",
-        "@vueuse/metadata": "9.13.0",
-        "@vueuse/shared": "9.13.0",
-        "vue-demi": "*"
+        "@types/web-bluetooth": "^0.0.20",
+        "@vueuse/metadata": "10.7.0",
+        "@vueuse/shared": "10.7.0",
+        "vue-demi": ">=0.14.6"
       },
       "funding": {
         "url": "https://github.com/sponsors/antfu"
       }
     },
     "node_modules/@vueuse/core/node_modules/vue-demi": {
-      "version": "0.14.0",
-      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.0.tgz",
-      "integrity": "sha512-gt58r2ogsNQeVoQ3EhoUAvUsH9xviydl0dWJj7dabBC/2L4uBId7ujtCwDRD0JhkGsV1i0CtfLAeyYKBht9oWg==",
+      "version": "0.14.6",
+      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.6.tgz",
+      "integrity": "sha512-8QA7wrYSHKaYgUxDA5ZC24w+eHm3sYCbp0EzcDwKqN3p6HqtTCGR/GVsPyZW92unff4UlcSh++lmqDWN3ZIq4w==",
       "hasInstallScript": true,
       "bin": {
         "vue-demi-fix": "bin/vue-demi-fix.js",
@@ -817,28 +819,28 @@
       }
     },
     "node_modules/@vueuse/metadata": {
-      "version": "9.13.0",
-      "resolved": "https://registry.npmjs.org/@vueuse/metadata/-/metadata-9.13.0.tgz",
-      "integrity": "sha512-gdU7TKNAUVlXXLbaF+ZCfte8BjRJQWPCa2J55+7/h+yDtzw3vOoGQDRXzI6pyKyo6bXFT5/QoPE4hAknExjRLQ==",
+      "version": "10.7.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/metadata/-/metadata-10.7.0.tgz",
+      "integrity": "sha512-GlaH7tKP2iBCZ3bHNZ6b0cl9g0CJK8lttkBNUX156gWvNYhTKEtbweWLm9rxCPIiwzYcr/5xML6T8ZUEt+DkvA==",
       "funding": {
         "url": "https://github.com/sponsors/antfu"
       }
     },
     "node_modules/@vueuse/shared": {
-      "version": "9.13.0",
-      "resolved": "https://registry.npmjs.org/@vueuse/shared/-/shared-9.13.0.tgz",
-      "integrity": "sha512-UrnhU+Cnufu4S6JLCPZnkWh0WwZGUp72ktOF2DFptMlOs3TOdVv8xJN53zhHGARmVOsz5KqOls09+J1NR6sBKw==",
+      "version": "10.7.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/shared/-/shared-10.7.0.tgz",
+      "integrity": "sha512-kc00uV6CiaTdc3i1CDC4a3lBxzaBE9AgYNtFN87B5OOscqeWElj/uza8qVDmk7/U8JbqoONLbtqiLJ5LGRuqlw==",
       "dependencies": {
-        "vue-demi": "*"
+        "vue-demi": ">=0.14.6"
       },
       "funding": {
         "url": "https://github.com/sponsors/antfu"
       }
     },
     "node_modules/@vueuse/shared/node_modules/vue-demi": {
-      "version": "0.14.0",
-      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.0.tgz",
-      "integrity": "sha512-gt58r2ogsNQeVoQ3EhoUAvUsH9xviydl0dWJj7dabBC/2L4uBId7ujtCwDRD0JhkGsV1i0CtfLAeyYKBht9oWg==",
+      "version": "0.14.6",
+      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.6.tgz",
+      "integrity": "sha512-8QA7wrYSHKaYgUxDA5ZC24w+eHm3sYCbp0EzcDwKqN3p6HqtTCGR/GVsPyZW92unff4UlcSh++lmqDWN3ZIq4w==",
       "hasInstallScript": true,
       "bin": {
         "vue-demi-fix": "bin/vue-demi-fix.js",
@@ -1217,6 +1219,94 @@
         "vue": "^3.2.0"
       }
     },
+    "node_modules/element-plus/node_modules/@types/web-bluetooth": {
+      "version": "0.0.16",
+      "resolved": "https://registry.npmjs.org/@types/web-bluetooth/-/web-bluetooth-0.0.16.tgz",
+      "integrity": "sha512-oh8q2Zc32S6gd/j50GowEjKLoOVOwHP/bWVjKJInBwQqdOYMdPrf1oVlelTlyfFK3CKxL1uahMDAr+vy8T7yMQ=="
+    },
+    "node_modules/element-plus/node_modules/@vueuse/core": {
+      "version": "9.13.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/core/-/core-9.13.0.tgz",
+      "integrity": "sha512-pujnclbeHWxxPRqXWmdkKV5OX4Wk4YeK7wusHqRwU0Q7EFusHoqNA/aPhB6KCh9hEqJkLAJo7bb0Lh9b+OIVzw==",
+      "dependencies": {
+        "@types/web-bluetooth": "^0.0.16",
+        "@vueuse/metadata": "9.13.0",
+        "@vueuse/shared": "9.13.0",
+        "vue-demi": "*"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
+    "node_modules/element-plus/node_modules/@vueuse/core/node_modules/vue-demi": {
+      "version": "0.14.6",
+      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.6.tgz",
+      "integrity": "sha512-8QA7wrYSHKaYgUxDA5ZC24w+eHm3sYCbp0EzcDwKqN3p6HqtTCGR/GVsPyZW92unff4UlcSh++lmqDWN3ZIq4w==",
+      "hasInstallScript": true,
+      "bin": {
+        "vue-demi-fix": "bin/vue-demi-fix.js",
+        "vue-demi-switch": "bin/vue-demi-switch.js"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      },
+      "peerDependencies": {
+        "@vue/composition-api": "^1.0.0-rc.1",
+        "vue": "^3.0.0-0 || ^2.6.0"
+      },
+      "peerDependenciesMeta": {
+        "@vue/composition-api": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/element-plus/node_modules/@vueuse/metadata": {
+      "version": "9.13.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/metadata/-/metadata-9.13.0.tgz",
+      "integrity": "sha512-gdU7TKNAUVlXXLbaF+ZCfte8BjRJQWPCa2J55+7/h+yDtzw3vOoGQDRXzI6pyKyo6bXFT5/QoPE4hAknExjRLQ==",
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
+    "node_modules/element-plus/node_modules/@vueuse/shared": {
+      "version": "9.13.0",
+      "resolved": "https://registry.npmjs.org/@vueuse/shared/-/shared-9.13.0.tgz",
+      "integrity": "sha512-UrnhU+Cnufu4S6JLCPZnkWh0WwZGUp72ktOF2DFptMlOs3TOdVv8xJN53zhHGARmVOsz5KqOls09+J1NR6sBKw==",
+      "dependencies": {
+        "vue-demi": "*"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      }
+    },
+    "node_modules/element-plus/node_modules/@vueuse/shared/node_modules/vue-demi": {
+      "version": "0.14.6",
+      "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.6.tgz",
+      "integrity": "sha512-8QA7wrYSHKaYgUxDA5ZC24w+eHm3sYCbp0EzcDwKqN3p6HqtTCGR/GVsPyZW92unff4UlcSh++lmqDWN3ZIq4w==",
+      "hasInstallScript": true,
+      "bin": {
+        "vue-demi-fix": "bin/vue-demi-fix.js",
+        "vue-demi-switch": "bin/vue-demi-switch.js"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/antfu"
+      },
+      "peerDependencies": {
+        "@vue/composition-api": "^1.0.0-rc.1",
+        "vue": "^3.0.0-0 || ^2.6.0"
+      },
+      "peerDependenciesMeta": {
+        "@vue/composition-api": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/es-abstract": {
       "version": "1.21.2",
       "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.21.2.tgz",
@@ -2792,6 +2882,14 @@
         }
       }
     },
+    "node_modules/pinia-plugin-persistedstate": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/pinia-plugin-persistedstate/-/pinia-plugin-persistedstate-3.2.0.tgz",
+      "integrity": "sha512-tZbNGf2vjAQcIm7alK40sE51Qu/m9oWr+rEgNm/2AWr1huFxj72CjvpQcIQzMknDBJEkQznCLAGtJTIcLKrKdw==",
+      "peerDependencies": {
+        "pinia": "^2.0.0"
+      }
+    },
     "node_modules/pinia/node_modules/vue-demi": {
       "version": "0.14.0",
       "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.0.tgz",
diff --git a/package.json b/package.json
index e119a72..ff4c835 100644
--- a/package.json
+++ b/package.json
@@ -10,10 +10,12 @@
   },
   "dependencies": {
     "@element-plus/icons-vue": "^2.1.0",
+    "@vueuse/core": "^10.7.0",
     "dayjs": "^1.11.8",
     "element-plus": "^2.3.4",
     "lodash": "^4.17.21",
     "pinia": "^2.0.32",
+    "pinia-plugin-persistedstate": "^3.2.0",
     "vue": "^3.2.47",
     "vue-i18n": "^9.2.2",
     "vue-router": "^4.1.6"
diff --git a/src/App.vue b/src/App.vue
index 8535e7a..e4ffa9e 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -1,9 +1,13 @@
 <script setup>
+import { useGlobalConfigStore } from '@/stores/globalConfig'
+import { $changeLocale, elementLocale } from '@/languages/MessagesConfig'
 
+const globalConfigStore = useGlobalConfigStore()
+$changeLocale(globalConfigStore.currentLocale)
 </script>
 
 <template>
-  <el-config-provider :locale="$currentLocale.localeData">
+  <el-config-provider :locale="elementLocale.localeData">
     <router-view />
   </el-config-provider>
 </template>
diff --git a/src/components/TopNav.vue b/src/components/TopNav.vue
index 584eb3c..77c9c56 100644
--- a/src/components/TopNav.vue
+++ b/src/components/TopNav.vue
@@ -1,6 +1,11 @@
 <script setup>
 
 import { ref } from 'vue'
+import { useDark } from '@vueuse/core'
+import { Check } from '@element-plus/icons-vue'
+import { useGlobalConfigStore } from '@/stores/globalConfig'
+
+const globalConfigStore = useGlobalConfigStore()
 
 const isCollapseLeft = ref(false)
 
@@ -10,6 +15,8 @@ const updateCollapseLeft = () => {
   emit('update:collapseLeft', isCollapseLeft.value)
 }
 
+const isDark = useDark()
+
 defineProps({
   collapseLeft: {
     type: Boolean
@@ -41,12 +48,18 @@ defineProps({
         index="1-1"
         @click="$changeLocale('zh-CN')"
       >
+        <el-icon v-if="globalConfigStore.currentLocale==='zh-CN'">
+          <Check />
+        </el-icon>
         {{ $t('common.label.langCn') }}
       </el-menu-item>
       <el-menu-item
         index="1-2"
         @click="$changeLocale('en-US')"
       >
+        <el-icon v-if="globalConfigStore.currentLocale==='en-US'">
+          <Check />
+        </el-icon>
         {{ $t('common.label.langEn') }}
       </el-menu-item>
     </el-sub-menu>
@@ -54,15 +67,24 @@ defineProps({
       <template #title>
         {{ $t('common.label.theme') }}
       </template>
-      <el-menu-item index="2-1">
+      <el-menu-item
+        index="2-1"
+        @click="isDark=false"
+      >
+        <el-icon v-if="!isDark">
+          <Check />
+        </el-icon>
         {{ $t('common.label.themeDefault') }}
       </el-menu-item>
-      <el-menu-item index="2-2">
+      <el-menu-item
+        index="2-2"
+        @click="isDark=true"
+      >
+        <el-icon v-if="isDark">
+          <Check />
+        </el-icon>
         {{ $t('common.label.themeDark') }}
       </el-menu-item>
-      <el-menu-item index="2-3">
-        {{ $t('common.label.themePurple') }}
-      </el-menu-item>
     </el-sub-menu>
     <el-sub-menu index="3">
       <template #title>
diff --git a/src/languages/MessagesConfig.js b/src/languages/MessagesConfig.js
index 43f314d..474f41d 100644
--- a/src/languages/MessagesConfig.js
+++ b/src/languages/MessagesConfig.js
@@ -1,11 +1,12 @@
 import { createI18n } from 'vue-i18n'
-import { reactive } from 'vue'
+import { ref } from 'vue'
 import messagesCn from './messages_cn'
 import messagesEn from './messages_en'
 import zhCn from 'element-plus/dist/locale/zh-cn.mjs'
 import en from 'element-plus/dist/locale/en.mjs'
 import 'dayjs/locale/zh-cn'
 import dayjs from 'dayjs'
+import { useGlobalConfigStore } from '@/stores/globalConfig'
 
 const DEFAULT_LOCALE = 'zh-CN'
 dayjs.locale(DEFAULT_LOCALE) // dayjs的语言配置
@@ -20,20 +21,20 @@ const i18n = createI18n({
   } // set locale messages
 })
 
-const $currentLocale = reactive({ // 用于element-plus
+export const elementLocale = ref({ // 用于element-plus
   localeData: zhCn
 })
 
-const $changeLocale = function (locale) {
-  this.$i18n.locale = locale
-  this.$currentLocale.localeData = locale === DEFAULT_LOCALE ? zhCn : en
+export const $changeLocale = function (locale) {
+  i18n.global.locale.value = locale
+  elementLocale.value.localeData = locale === DEFAULT_LOCALE ? zhCn : en
   dayjs.locale(locale.toLowerCase())
+  useGlobalConfigStore().changeLocale(locale)
 }
 
 export default {
   install (app) {
     app.use(i18n)
-    app.config.globalProperties.$currentLocale = $currentLocale
     app.config.globalProperties.$changeLocale = $changeLocale
   }
 }
diff --git a/src/main.js b/src/main.js
index 7bcaccf..cf06d87 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,8 +1,9 @@
 import { createApp } from 'vue'
-import { createPinia } from 'pinia'
 import ElementPlus from 'element-plus'
 import 'element-plus/dist/index.css'
+import 'element-plus/theme-chalk/dark/css-vars.css'
 import * as ElementPlusIconsVue from '@element-plus/icons-vue'
+import { usePinia } from '@/store'
 
 import messagesConfig from '@/languages/MessagesConfig'
 
@@ -13,7 +14,7 @@ import './assets/main.css'
 
 const app = createApp(App)
 
-app.use(createPinia())
+app.use(usePinia)
 app.use(router)
 app.use(ElementPlus)
 app.use(messagesConfig)
diff --git a/src/store.js b/src/store.js
new file mode 100644
index 0000000..3655fe5
--- /dev/null
+++ b/src/store.js
@@ -0,0 +1,17 @@
+import { defineStore, createPinia } from 'pinia'
+import piniaPluginPersistedState from 'pinia-plugin-persistedstate'
+import { useGlobalConfigStore } from '@/stores/globalConfig'
+
+export const usePinia = {
+  install (app) {
+    const pinia = createPinia()
+    pinia.use(piniaPluginPersistedState)
+    app.use(pinia)
+    return pinia
+  }
+}
+export const useStore = defineStore('store', () => {
+  return {
+    globalConfig: useGlobalConfigStore()
+  }
+})
diff --git a/src/stores/counter.js b/src/stores/counter.js
deleted file mode 100644
index b6757ba..0000000
--- a/src/stores/counter.js
+++ /dev/null
@@ -1,12 +0,0 @@
-import { ref, computed } from 'vue'
-import { defineStore } from 'pinia'
-
-export const useCounterStore = defineStore('counter', () => {
-  const count = ref(0)
-  const doubleCount = computed(() => count.value * 2)
-  function increment() {
-    count.value++
-  }
-
-  return { count, doubleCount, increment }
-})
diff --git a/src/stores/globalConfig.js b/src/stores/globalConfig.js
index d252f3d..969c6d9 100644
--- a/src/stores/globalConfig.js
+++ b/src/stores/globalConfig.js
@@ -7,4 +7,6 @@ export const useGlobalConfigStore = defineStore('globalConfig', () => {
     currentLocale.value = locale
   }
   return { currentLocale, changeLocale }
+}, {
+  persist: true
 })