修复收件人回车选择并统一主界面组件中文

frontend/src/App.vue

@@ -1,5 +1,6 @@
 <script setup>
 import {RouterView, useRoute} from 'vue-router'
+import zhCn from 'element-plus/es/locale/lang/zh-cn'
 import HomeHeader from '@/views/components/HomeHeader/HomeHeader.vue'
 import HomeAside from '@/views/components/HomeAside/HomeAside.vue';
 import SecuritySetupPrompt from '@/views/components/SecuritySetupPrompt/SecuritySetupPrompt.vue'
@@ -23,6 +24,7 @@ watch(
 </script>
 
 <template>
+  <el-config-provider :locale="zhCn">
   <StartupStatus v-if="showStartupStatus" />
   <div v-else id="main">
     <HomeHeader v-if="!standalonePages.includes(pageName)"/>
@@ -56,6 +58,7 @@ watch(
       <SecuritySetupPrompt v-if="!standalonePages.includes(pageName)" />
     </div>
   </div>
+  </el-config-provider>
 </template>
 
 

frontend/src/views/Editer/Editer.vue

@@ -58,7 +58,7 @@
           <el-form-item prop="receivers" class="flex-grow-item m-0 border-less-select">
             <el-select 
               v-model="ruleForm.receivers" 
-              multiple filterable allow-create :reserve-keyword="false" 
+              multiple filterable allow-create default-first-option :reserve-keyword="false"
               placeholder="请输入收件人地址（输入后按回车，或从下方历史联系人选择）"
             >
               <el-option 
@@ -86,7 +86,7 @@
           <el-form-item prop="cc" class="flex-grow-item m-0 border-less-select">
             <el-select 
               v-model="ruleForm.cc" 
-              multiple filterable allow-create :reserve-keyword="false" 
+              multiple filterable allow-create default-first-option :reserve-keyword="false"
               placeholder="请输入抄送人地址"
             >
               <el-option 
@@ -108,7 +108,7 @@
           <el-form-item prop="bcc" class="flex-grow-item m-0 border-less-select">
             <el-select 
               v-model="ruleForm.bcc" 
-              multiple filterable allow-create :reserve-keyword="false" 
+              multiple filterable allow-create default-first-option :reserve-keyword="false"
               placeholder="请输入密送人地址"
             >
               <el-option