修改登录页面中文英文显示处理

src/views/login/login.vue

@@ -17,7 +17,7 @@
         </div>
         <div class="loginFormBox">
           <div class="inputBox">
-            <el-input v-model="userName" placeholder="$t('common.entermobilephone')">
+            <el-input v-model="userName" :placeholder="vm.$t('common.entermobilephone')">
               <template slot="prepend"><span class="icon iconfont">&#xe62f;</span></template>
             </el-input>
           </div>