diff --git a/package.json b/package.json
index e56d3f9..55498e6 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "@tauri-apps/plugin-opener": "^2",
     "@tauri-apps/plugin-sql": "~2",
     "vue": "^3.5.21",
+    "vue-i18n": "^11.1.12",
     "vue-router": "^4.5.1",
     "vuetify": "^3.10.1",
     "zod": "^4.1.12"
diff --git a/src/App.vue b/src/App.vue
index 45266a3..015c40a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -14,7 +14,7 @@
               <v-list-item
                   prepend-avatar="/src/assets/logo.svg"
                   subtitle=""
-                  title="Spary"
+                  :title="$t('app.title')"
               ></v-list-item>
             </v-list>
 
@@ -29,16 +29,20 @@
               ></v-list-item>
               <v-list-item
                   prepend-icon="mdi-airport"
-                  title="Nodes"
+                  :title="$t('app.nodes')"
                   value="nodes"
                   @click="router.push('/nodes')"
               ></v-list-item>
               <v-list-item
                   prepend-icon="mdi-cog"
-                  title="Settings"
+                  :title="$t('app.settings')"
                   value="settings"
                   @click="router.push('/settings')"
-              ></v-list-item>
+              >
+                <template v-slot:append>
+                  <language-switcher />
+                </template>
+              </v-list-item>
             </v-list>
           </v-navigation-drawer>
 
@@ -54,8 +58,11 @@
 <script lang="ts" setup>
 import { ref } from 'vue'
 import { useRouter } from 'vue-router'
+import { useI18n } from 'vue-i18n'
+import LanguageSwitcher from './components/LanguageSwitcher.vue'
 import notificationProvider from './components/notify/notificationProvider.vue'
 
 const drawer = ref(true)
 const router = useRouter()
+useI18n()
 </script>
diff --git a/src/components.d.ts b/src/components.d.ts
index 0f05f44..6fb335c 100644
--- a/src/components.d.ts
+++ b/src/components.d.ts
@@ -10,6 +10,7 @@ declare module 'vue' {
   export interface GlobalComponents {
     AddGroup: typeof import('./components/nodeEdit/addGroup.vue')['default']
     AddNode: typeof import('./components/nodeEdit/addNode.vue')['default']
+    LanguageSwitcher: typeof import('./components/LanguageSwitcher.vue')['default']
     NodeList: typeof import('./components/nodeEdit/nodeList.vue')['default']
     NodesFloatButton: typeof import('./components/nodeEdit/nodesFloatButton.vue')['default']
     NotificationProvider: typeof import('./components/notify/notificationProvider.vue')['default']
diff --git a/src/components/LanguageSwitcher.vue b/src/components/LanguageSwitcher.vue
new file mode 100644
index 0000000..e6c09ca
--- /dev/null
+++ b/src/components/LanguageSwitcher.vue
@@ -0,0 +1,48 @@
+<template>
+  <v-menu>
+    <template v-slot:activator="{ props }">
+      <v-btn
+        v-bind="props"
+        icon
+      >
+        <v-icon>mdi-translate</v-icon>
+      </v-btn>
+    </template>
+    <v-list>
+      <v-list-item
+        v-for="(item, i) in languages"
+        :key="i"
+        @click="changeLanguage(item.code)"
+        :active="currentLanguage === item.code"
+      >
+        <v-list-item-title>{{ item.name }}</v-list-item-title>
+      </v-list-item>
+    </v-list>
+  </v-menu>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue';
+import { useI18n } from 'vue-i18n';
+
+const { locale } = useI18n();
+
+const languages = [
+  { code: 'en', name: 'English' },
+  { code: 'zh', name: '中文' }
+];
+
+const currentLanguage = computed(() => locale.value);
+
+const changeLanguage = (lang: string) => {
+  locale.value = lang;
+  // Store the selected language in localStorage so it persists across sessions
+  localStorage.setItem('language', lang);
+};
+
+// Set the initial language from localStorage if available
+const savedLanguage = localStorage.getItem('language');
+if (savedLanguage && languages.some(lang => lang.code === savedLanguage)) {
+  locale.value = savedLanguage;
+}
+</script>
\ No newline at end of file
diff --git a/src/components/index/spary.vue b/src/components/index/spary.vue
index 11776b6..27932c1 100644
--- a/src/components/index/spary.vue
+++ b/src/components/index/spary.vue
@@ -2,7 +2,7 @@
   <v-container class="fill-height d-flex align-center justify-center">
     <div>
       <v-switch
-        :label="String(functionStatus)"
+        :label="functionStatus === 'On' ? $t('spary.functionStatus.on') : $t('spary.functionStatus.off')"
         :model-value="functionStatus === 'On'"
         @update:model-value="toggleFunctionStatus"
       ></v-switch>
diff --git a/src/components/nodeEdit/addGroup.vue b/src/components/nodeEdit/addGroup.vue
index 47c0bbf..c8bd8c5 100644
--- a/src/components/nodeEdit/addGroup.vue
+++ b/src/components/nodeEdit/addGroup.vue
@@ -1,14 +1,17 @@
 <script setup lang="ts">
 import {ref, computed} from 'vue'
 import {invoke} from '@tauri-apps/api/core'
+import { useI18n } from 'vue-i18n';
 import {groupRepository} from "@/entities/group.ts";
 import {notify} from "@/components/notify/notifyStore.ts";
 
+const { t } = useI18n()
+
 const groupName = ref('')
 const groupNameRule = [
   (value: string): boolean | string => {
     if (value?.length >= 1 && value?.length <= 15) return true
-    return 'Group name must be between 1 and 15 characters.'
+    return t('addGroup.groupNameRule')
   },
 ]
 
@@ -22,7 +25,7 @@ const groupSubscribeUrlRule = [
       new URL(value)
       return true
     } catch (e) {
-      return 'URL is not valid.'
+      return t('addGroup.urlInvalid')
     }
   },
 ]
@@ -41,7 +44,7 @@ async function addGroup() {
     const check_repeat_one = await groupRepository.findByName(groupName.value)
     console.log(check_repeat_one)
     if (check_repeat_one.length > 0) {
-      notify("Group already exists.", {
+      notify(t('addGroup.groupExists'), {
         color: "error"
       })
       return
@@ -55,7 +58,7 @@ async function addGroup() {
           arguments: groupArguments.value
         }
     )
-    notify("Group added.")
+    notify(t('addGroup.groupAdded'))
   }
 }
 
@@ -77,17 +80,17 @@ async function add_group(groupName: string, groupSubscribeUrl: string | null, gr
         <v-text-field
             v-model="groupName"
             :rules="groupNameRule"
-            label="Group name"
+            :label="$t('addGroup.groupName')"
         ></v-text-field>
 
         <v-text-field
             v-model="groupSubscribeUrl"
             :rules="groupSubscribeUrlRule"
-            label="Subscribe URL"
+            :label="$t('addGroup.subscribeUrl')"
         ></v-text-field>
         <v-textarea
             v-model="groupArguments"
-            label="Arguments"
+            :label="$t('addGroup.arguments')"
         ></v-textarea>
         <v-btn
             class="mt-2"
@@ -96,7 +99,7 @@ async function add_group(groupName: string, groupSubscribeUrl: string | null, gr
             :disabled="isAddDisabled"
             :loading="isAdding"
             @click="addGroup">
-          Add
+          {{ $t('addGroup.addGroupButton') }}
         </v-btn>
       </v-form>
     </v-sheet>
diff --git a/src/components/nodeEdit/addNode.vue b/src/components/nodeEdit/addNode.vue
index dc73031..f618366 100644
--- a/src/components/nodeEdit/addNode.vue
+++ b/src/components/nodeEdit/addNode.vue
@@ -1,9 +1,12 @@
 <script setup lang="ts">
 import {ref, onMounted, computed} from 'vue'
+import { useI18n } from 'vue-i18n';
 import {Group, groupRepository} from "@/entities/group.ts";
 import {nodeRepository} from "@/entities/node.ts";
 import {notify} from "@/components/notify/notifyStore.ts";
 
+const { t } = useI18n()
+
 const props = defineProps<{ groupId: string }>()
 
 const allGroups = ref<Group[]>([])
@@ -36,7 +39,7 @@ async function addNode() {
       arguments: nodeArguments.value,
       group_id: selectedGroupId.value
     })
-    notify("Node added successfully")
+    notify(t('addNode.nodeAddedSuccess'))
     isAdding.value = false
   }
 }
@@ -47,7 +50,7 @@ async function addNode() {
       <v-form fast-fail @submit.prevent>
         <v-select
             v-model="selectedGroupId"
-            label="Group"
+            :label="$t('addNode.group')"
             :items="allGroups"
             item-title="name"
             item-value="id"
@@ -56,12 +59,12 @@ async function addNode() {
 
         <v-text-field
             v-model="nodeAlias"
-            label="Node alias"
+            :label="$t('addNode.nodeAlias')"
         ></v-text-field>
 
         <v-textarea
             v-model="nodeArguments"
-            label="Arguments"
+            :label="$t('addNode.arguments')"
         ></v-textarea>
         <v-btn
             class="mt-2"
@@ -70,7 +73,7 @@ async function addNode() {
             :disabled="isAddDisabled"
             :loading="isAdding"
             @click="addNode">
-          Add
+          {{ $t('addNode.addNodeButton') }}
         </v-btn>
       </v-form>
     </v-sheet>
diff --git a/src/components/nodeEdit/nodeList.vue b/src/components/nodeEdit/nodeList.vue
index f58dae0..28528c9 100644
--- a/src/components/nodeEdit/nodeList.vue
+++ b/src/components/nodeEdit/nodeList.vue
@@ -1,10 +1,12 @@
 <script setup lang="ts">
 import {ref} from 'vue'
 import {useRouter} from "vue-router";
+import { useI18n } from 'vue-i18n';
 import {groupRepository} from "@/entities/group.ts";
 import {nodeRepository} from "@/entities/node.ts";
 
 const router = useRouter()
+useI18n()
 
 interface GroupItem {
   name: string
@@ -69,7 +71,7 @@ loadData()
                 prepend-icon="mdi-plus"
                 @click.stop="addItem(group)"
             >
-              add
+              {{ $t('nodeList.add') }}
             </v-btn>
           </div>
         </v-expansion-panel-title>
@@ -90,7 +92,7 @@ loadData()
                 </v-card-title>
                 <v-card-text>
                   <div>{{ item.url }}</div>
-                  <div>usage: {{ item.traffic }}</div>
+                  <div>{{ $t('nodeList.usage', { traffic: item.traffic }) }}</div>
                 </v-card-text>
               </v-card>
             </v-col>
diff --git a/src/components/nodeEdit/nodesFloatButton.vue b/src/components/nodeEdit/nodesFloatButton.vue
index c5c9ef9..c087515 100644
--- a/src/components/nodeEdit/nodesFloatButton.vue
+++ b/src/components/nodeEdit/nodesFloatButton.vue
@@ -1,6 +1,8 @@
 <script setup lang="ts">
 import {useRouter} from "vue-router";
+import { useI18n } from 'vue-i18n';
 const router = useRouter()
+useI18n()
 
 </script>
 
@@ -15,13 +17,13 @@ const router = useRouter()
         <template v-slot:prepend>
           <v-icon color="success"></v-icon>
         </template>
-        add group
+        {{ $t('nodesFloatButton.addGroup') }}
       </v-btn>
       <v-btn key="2" prepend-icon="mdi-airplane-marker">
         <template v-slot:prepend>
           <v-icon color="success"></v-icon>
         </template>
-        add node
+        {{ $t('nodesFloatButton.addNode') }}
       </v-btn>
     </v-speed-dial>
   </div>
diff --git a/src/locales/en.json b/src/locales/en.json
new file mode 100644
index 0000000..2835cb6
--- /dev/null
+++ b/src/locales/en.json
@@ -0,0 +1,56 @@
+{
+  "app": {
+    "title": "Spary",
+    "nodes": "Nodes",
+    "settings": "Settings",
+    "add": "Add",
+    "group": "Group",
+    "node": "Node"
+  },
+  "spary": {
+    "functionStatus": {
+      "on": "On",
+      "off": "Off"
+    }
+  },
+  "nodeList": {
+    "add": "add",
+    "usage": "usage: {traffic}",
+    "noNodes": "No nodes available"
+  },
+  "nodesFloatButton": {
+    "addGroup": "add group",
+    "addNode": "add node"
+  },
+  "addGroup": {
+    "title": "Add Group",
+    "groupName": "Group name",
+    "groupNameRule": "Group name must be between 1 and 15 characters.",
+    "subscribeUrl": "Subscribe URL",
+    "urlInvalid": "URL is not valid.",
+    "arguments": "Arguments",
+    "addGroupButton": "Add",
+    "groupExists": "Group already exists.",
+    "groupAdded": "Group added."
+  },
+  "addNode": {
+    "title": "Add Node",
+    "group": "Group",
+    "nodeAlias": "Node alias",
+    "arguments": "Arguments",
+    "addNodeButton": "Add",
+    "nodeAddedSuccess": "Node added successfully"
+  },
+  "common": {
+    "save": "Save",
+    "cancel": "Cancel",
+    "delete": "Delete",
+    "edit": "Edit",
+    "confirm": "Confirm",
+    "darkModeOn": "Dark Mode On",
+    "darkModeOff": "Dark Mode Off",
+    "language": "Language",
+    "english": "English",
+    "chinese": "Chinese"
+  }
+}
\ No newline at end of file
diff --git a/src/locales/zh.json b/src/locales/zh.json
new file mode 100644
index 0000000..3a5610d
--- /dev/null
+++ b/src/locales/zh.json
@@ -0,0 +1,56 @@
+{
+  "app": {
+    "title": "Spary",
+    "nodes": "节点",
+    "settings": "设置",
+    "add": "添加",
+    "group": "组",
+    "node": "节点"
+  },
+  "spary": {
+    "functionStatus": {
+      "on": "开",
+      "off": "关"
+    }
+  },
+  "nodeList": {
+    "add": "添加",
+    "usage": "使用量: {traffic}",
+    "noNodes": "没有可用节点"
+  },
+  "nodesFloatButton": {
+    "addGroup": "添加组",
+    "addNode": "添加节点"
+  },
+  "addGroup": {
+    "title": "添加组",
+    "groupName": "组名称",
+    "groupNameRule": "组名称必须在1到15个字符之间。",
+    "subscribeUrl": "订阅链接",
+    "urlInvalid": "URL无效。",
+    "arguments": "参数",
+    "addGroupButton": "添加",
+    "groupExists": "组已存在。",
+    "groupAdded": "组已添加。"
+  },
+  "addNode": {
+    "title": "添加节点",
+    "group": "组",
+    "nodeAlias": "节点别名",
+    "arguments": "参数",
+    "addNodeButton": "添加",
+    "nodeAddedSuccess": "节点添加成功"
+  },
+  "common": {
+    "save": "保存",
+    "cancel": "取消",
+    "delete": "删除",
+    "edit": "编辑",
+    "confirm": "确认",
+    "darkModeOn": "深色模式开",
+    "darkModeOff": "深色模式关",
+    "language": "语言",
+    "english": "英语",
+    "chinese": "中文"
+  }
+}
\ No newline at end of file
diff --git a/src/pages/settings.vue b/src/pages/settings.vue
index 50d4cd2..f3a1e7f 100644
--- a/src/pages/settings.vue
+++ b/src/pages/settings.vue
@@ -1,7 +1,53 @@
 <template>
-
+  <v-container>
+    <v-card class="mx-auto" max-width="600">
+      <v-card-title>{{ $t('app.settings') }}</v-card-title>
+      <v-card-text>
+        <v-row>
+          <v-col cols="12">
+            <v-btn @click="toggleDarkMode" disabled>
+              {{ darkMode ? $t('common.darkModeOff') : $t('common.darkModeOn') }}
+            </v-btn>
+          </v-col>
+          <v-col cols="12">
+            <h3>{{ $t('common.language') }}</h3>
+            <v-btn-toggle v-model="selectedLanguage" mandatory>
+              <v-btn value="en">{{ $t('common.english') }}</v-btn>
+              <v-btn value="zh">{{ $t('common.chinese') }}</v-btn>
+            </v-btn-toggle>
+          </v-col>
+        </v-row>
+      </v-card-text>
+    </v-card>
+  </v-container>
 </template>
 
 <script lang="ts" setup>
-//
+import { ref, watch, onMounted } from 'vue';
+import { useI18n } from 'vue-i18n';
+
+const { locale } = useI18n();
+const selectedLanguage = ref(locale.value);
+const darkMode = ref(false);
+
+// Update the translation when the language changes
+watch(selectedLanguage, (newLang) => {
+  locale.value = newLang;
+  localStorage.setItem('language', newLang);
+});
+
+// Initialize the selected language from localStorage
+onMounted(() => {
+  const savedLanguage = localStorage.getItem('language');
+  if (savedLanguage) {
+    selectedLanguage.value = savedLanguage;
+    locale.value = savedLanguage;
+  }
+});
+
+// Toggle dark mode
+const toggleDarkMode = () => {
+  darkMode.value = !darkMode.value;
+  // Here you would typically update a theme preference
+};
 </script>
diff --git a/src/plugins/i18n.ts b/src/plugins/i18n.ts
new file mode 100644
index 0000000..df8f7a9
--- /dev/null
+++ b/src/plugins/i18n.ts
@@ -0,0 +1,17 @@
+import { createI18n } from 'vue-i18n'
+import en from '@/locales/en.json'
+import zh from '@/locales/zh.json'
+
+const messages = {
+  en: en,
+  zh: zh
+}
+
+const i18n = createI18n({
+  legacy: false, // Use composition API mode
+  locale: 'en', // Default locale
+  fallbackLocale: 'en', // Fallback locale
+  messages
+})
+
+export default i18n
\ No newline at end of file
diff --git a/src/plugins/index.ts b/src/plugins/index.ts
index d3c748a..bf08b51 100644
--- a/src/plugins/index.ts
+++ b/src/plugins/index.ts
@@ -7,6 +7,7 @@
 // Plugins
 import vuetify from './vuetify'
 import router from '../router'
+import i18n from './i18n'
 
 // Types
 import type { App } from 'vue'
@@ -15,4 +16,5 @@ export function registerPlugins (app: App) {
   app
     .use(vuetify)
     .use(router)
+    .use(i18n)
 }
diff --git a/src/vue-i18n.d.ts b/src/vue-i18n.d.ts
new file mode 100644
index 0000000..bc74ee0
--- /dev/null
+++ b/src/vue-i18n.d.ts
@@ -0,0 +1,7 @@
+/* eslint-disable */
+import Vue from "vue";
+declare module "@vue/runtime-core" {
+    export interface ComponentCustomProperties {
+        $t: (key: string, ...args: any[]) => string;
+    }
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 02ece3d..ae9e541 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -304,6 +304,27 @@
   resolved "https://registry.npmjs.org/@humanwhocodes/retry/-/retry-0.4.3.tgz"
   integrity sha512-bV0Tgo9K4hfPCek+aMAn81RppFKv2ySDQeMoSZuvTASywNTnVJCArCZE2FWqpvIatKu7VMRLWlR1EazvVhDyhQ==
 
+"@intlify/core-base@11.1.12":
+  version "11.1.12"
+  resolved "https://registry.yarnpkg.com/@intlify/core-base/-/core-base-11.1.12.tgz#e02529021a4e69f8a1adcca5ce61963c71cd72ba"
+  integrity sha512-whh0trqRsSqVLNEUCwU59pyJZYpU8AmSWl8M3Jz2Mv5ESPP6kFh4juas2NpZ1iCvy7GlNRffUD1xr84gceimjg==
+  dependencies:
+    "@intlify/message-compiler" "11.1.12"
+    "@intlify/shared" "11.1.12"
+
+"@intlify/message-compiler@11.1.12":
+  version "11.1.12"
+  resolved "https://registry.yarnpkg.com/@intlify/message-compiler/-/message-compiler-11.1.12.tgz#27e69790b711a92cddb07175187dd09a7b270b55"
+  integrity sha512-Fv9iQSJoJaXl4ZGkOCN1LDM3trzze0AS2zRz2EHLiwenwL6t0Ki9KySYlyr27yVOj5aVz0e55JePO+kELIvfdQ==
+  dependencies:
+    "@intlify/shared" "11.1.12"
+    source-map-js "^1.0.2"
+
+"@intlify/shared@11.1.12":
+  version "11.1.12"
+  resolved "https://registry.yarnpkg.com/@intlify/shared/-/shared-11.1.12.tgz#ab41083e017d622cf63c7dc88a0ee0bc27f4127a"
+  integrity sha512-Om86EjuQtA69hdNj3GQec9ZC0L0vPSAnXzB3gP/gyJ7+mA7t06d9aOAiqMZ+xEOsumGP4eEBlfl8zF2LOTzf2A==
+
 "@jridgewell/gen-mapping@^0.3.5":
   version "0.3.13"
   resolved "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz"
@@ -877,7 +898,7 @@
     "@vue/compiler-dom" "3.5.22"
     "@vue/shared" "3.5.22"
 
-"@vue/devtools-api@^6.6.4":
+"@vue/devtools-api@^6.5.0", "@vue/devtools-api@^6.6.4":
   version "6.6.4"
   resolved "https://registry.npmjs.org/@vue/devtools-api/-/devtools-api-6.6.4.tgz"
   integrity sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==
@@ -2429,7 +2450,7 @@ sisteransi@^1.0.5:
   resolved "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz"
   integrity sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg==
 
-"source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.2.1:
+"source-map-js@>=0.6.2 <2.0.0", source-map-js@^1.0.2, source-map-js@^1.2.1:
   version "1.2.1"
   resolved "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz"
   integrity sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==
@@ -2688,6 +2709,15 @@ vue-eslint-parser@^10.2.0:
     esquery "^1.6.0"
     semver "^7.6.3"
 
+vue-i18n@^11.1.12:
+  version "11.1.12"
+  resolved "https://registry.yarnpkg.com/vue-i18n/-/vue-i18n-11.1.12.tgz#230b21d65dd89343ebd40d19c9e3cfb13db8c1fd"
+  integrity sha512-BnstPj3KLHLrsqbVU2UOrPmr0+Mv11bsUZG0PyCOzsawCivk8W00GMXHeVUWIDOgNaScCuZah47CZFE+Wnl8mw==
+  dependencies:
+    "@intlify/core-base" "11.1.12"
+    "@intlify/shared" "11.1.12"
+    "@vue/devtools-api" "^6.5.0"
+
 vue-router@^4.5.1:
   version "4.5.1"
   resolved "https://registry.npmjs.org/vue-router/-/vue-router-4.5.1.tgz"