diff --git a/src/_locales/options/messages.json b/src/_locales/options/messages.json
index 8da0e0d50..58c88f3e0 100644
--- a/src/_locales/options/messages.json
+++ b/src/_locales/options/messages.json
@@ -124,6 +124,21 @@
     "zh_CN": "查词面板最高占屏幕比例",
     "zh_TW": "查字典介面最高占螢幕高度比例"
   },
+  "dict_panel_lang_en": {
+    "en": "En",
+    "zh_CN": "英",
+    "zh_TW": "英"
+  },
+  "dict_panel_lang_zhs": {
+    "en": "Zhs",
+    "zh_CN": "简",
+    "zh_TW": "简"
+  },
+  "dict_panel_lang_zht": {
+    "en": "Zht",
+    "zh_CN": "繁",
+    "zh_TW": "繁"
+  },
   "dict_panel_title": {
     "en": "Dict Panel",
     "zh_CN": "查词面板",
@@ -164,6 +179,16 @@
     "zh_CN": "词典设置",
     "zh_TW": "字典設定"
   },
+  "export": {
+    "en": "Reset",
+    "zh_CN": "导出设定",
+    "zh_TW": "匯出設定"
+  },
+  "import": {
+    "en": "Import",
+    "zh_CN": "导入设定",
+    "zh_TW": "匯入設定"
+  },
   "instructions": {
     "en": "Instructions",
     "zh_CN": "使用说明",
@@ -319,16 +344,6 @@
     "zh_CN": "重置设定",
     "zh_TW": "重置設定"
   },
-  "import": {
-    "en": "Import",
-    "zh_CN": "导入设定",
-    "zh_TW": "匯入設定"
-  },
-  "export": {
-    "en": "Reset",
-    "zh_CN": "导出设定",
-    "zh_TW": "匯出設定"
-  },
   "reset_modal_content": {
     "en": "Reset to default settings. Confirm？",
     "zh_CN": "所有设定将还原到默认值，确定？",
diff --git a/src/app-config/dicts.ts b/src/app-config/dicts.ts
index 249a635f6..d9fa50aeb 100644
--- a/src/app-config/dicts.ts
+++ b/src/app-config/dicts.ts
@@ -3,6 +3,11 @@ import { DeepReadonly } from '@/typings/helpers'
 export function getALlDicts () {
   const allDicts = {
     bing: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '110',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -38,6 +43,11 @@ export function getALlDicts () {
       }
     },
     cambridge: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '111',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -69,6 +79,11 @@ export function getALlDicts () {
       },
     },
     cobuild: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -100,6 +115,11 @@ export function getALlDicts () {
       }
     },
     etymonline: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -131,6 +151,11 @@ export function getALlDicts () {
       }
     },
     eudic: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '110',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -162,6 +187,11 @@ export function getALlDicts () {
       }
     },
     google: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '111',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -189,6 +219,11 @@ export function getALlDicts () {
       }
     },
     guoyu: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '001',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -216,6 +251,11 @@ export function getALlDicts () {
       }
     },
     liangan: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '001',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -243,6 +283,11 @@ export function getALlDicts () {
       }
     },
     longman: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -280,6 +325,11 @@ export function getALlDicts () {
       }
     },
     macmillan: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -311,6 +361,11 @@ export function getALlDicts () {
       }
     },
     oald: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -342,6 +397,11 @@ export function getALlDicts () {
       },
     },
     urban: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -373,6 +433,11 @@ export function getALlDicts () {
       }
     },
     vocabulary: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -400,6 +465,11 @@ export function getALlDicts () {
       }
     },
     websterlearner: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '100',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -435,6 +505,11 @@ export function getALlDicts () {
       },
     },
     youdao: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '110',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
@@ -471,6 +546,11 @@ export function getALlDicts () {
       }
     },
     zdic: {
+      /**
+       * Supported language: en, zh-CN, zh-TW
+       * `1` for supported
+       */
+      lang: '010',
       /**
        * Full content page to jump to when user clicks the title.
        * %s will be replaced with the current word.
diff --git a/src/options/OptDicts.vue b/src/options/OptDicts.vue
index 803bcfe55..cbae8e52f 100644
--- a/src/options/OptDicts.vue
+++ b/src/options/OptDicts.vue
@@ -26,6 +26,9 @@
                         <div class="panel-list__header" @click="handleAddDict(id)">
                           <img class="panel-list__icon" :src="dictsPanelInfo[id].favicon">
                           <strong class="panel-list__title">{{ $t('dict:' + id) }}</strong>
+                          <span class="panel-list__title-lang" v-if="+allDicts[id].lang[0]">{{ $t('opt:dict_panel_lang_en') }}</span>
+                          <span class="panel-list__title-lang" v-if="+allDicts[id].lang[1]">{{ $t('opt:dict_panel_lang_zhs') }}</span>
+                          <span class="panel-list__title-lang" v-if="+allDicts[id].lang[2]">{{ $t('opt:dict_panel_lang_zht') }}</span>
                           <button type="button" class="close">&#10004;</button>
                         </div>
                       </div>
@@ -47,6 +50,9 @@
               <div class="panel-list__header" @click="handlePanelHeadClick(id, i)">
                 <img class="panel-list__icon" :src="dictsPanelInfo[id].favicon">
                 <strong class="panel-list__title">{{ $t('dict:' + id) }}</strong>
+                <span class="panel-list__title-lang" v-if="+allDicts[id].lang[0]">{{ $t('opt:dict_panel_lang_en') }}</span>
+                <span class="panel-list__title-lang" v-if="+allDicts[id].lang[1]">{{ $t('opt:dict_panel_lang_zhs') }}</span>
+                <span class="panel-list__title-lang" v-if="+allDicts[id].lang[2]">{{ $t('opt:dict_panel_lang_zht') }}</span>
                 <button type="button" class="close" @click.stop="dicts.selected.splice(i, 1)">&times;</button>
               </div><!--词典名字与图标-->
               <div class="panel-list__body" ref="dict" :style="{height: dictsPanelInfo[id].height + 'px'}">
@@ -73,20 +79,16 @@
 
                   <!--词典自定义选项-->
                   <div class="checkbox" v-if="allDicts[id].options">
-                    <template v-for="(__, optKey) in allDicts[id].options">
-                      <div class="checkbox" v-if="typeof allDicts[id].options[optKey] !== 'boolean'">
-                        <div class="input-group">
-                          <div class="input-group-addon">{{ $t(`dict:${id}_${optKey}`) }}</div>
-                          <input type="number" min="0" class="form-control" v-model.number.lazy="allDicts[id].options[optKey]">
-                          <div class="input-group-addon">{{ $t(`dict:${id}_${optKey}_unit`)  }}</div>
-                        </div>
+                    <div v-for="(__, optKey) in allDicts[id].options" :key="optKey" class="checkbox" v-if="typeof allDicts[id].options[optKey] !== 'boolean'">
+                      <div class="input-group">
+                        <div class="input-group-addon">{{ $t(`dict:${id}_${optKey}`) }}</div>
+                        <input type="number" min="0" class="form-control" v-model.number.lazy="allDicts[id].options[optKey]">
+                        <div class="input-group-addon">{{ $t(`dict:${id}_${optKey}_unit`)  }}</div>
                       </div>
-                    </template>
-                    <template v-for="(__, optKey) in allDicts[id].options">
-                      <label class="checkbox-inline" v-if="typeof allDicts[id].options[optKey] === 'boolean'">
-                        <input type="checkbox" v-model="allDicts[id].options[optKey]"> {{ $t(`dict:${id}_${optKey}`) }}
-                      </label>
-                    </template>
+                    </div>
+                    <label v-for="(__, optKey) in allDicts[id].options" :key="optKey" class="checkbox-inline" v-if="typeof allDicts[id].options[optKey] === 'boolean'">
+                      <input type="checkbox" v-model="allDicts[id].options[optKey]"> {{ $t(`dict:${id}_${optKey}`) }}
+                    </label>
                   </div><!--词典自定义选项-->
                 </div>
               </div>
diff --git a/src/options/Options.vue b/src/options/Options.vue
index 1ea2221f2..66d392f78 100644
--- a/src/options/Options.vue
+++ b/src/options/Options.vue
@@ -466,8 +466,11 @@ kbd {
   cursor: move;
 }
 
-.panel-list__header {
-  cursor: move;
+.panel-list__title-lang {
+  margin-left: 5px;
+  padding: 0 2px;
+  border: 1px solid #333;
+  border-radius: 2px;
 }
 
 .panel-list__icon {