翻译登录提示

frontendEle/src/views/login/login-by-backend.vue

@@ -20,7 +20,7 @@ export default {
     }
   },
   mounted () {
-    this.messageBox = this.$message('正在登录，请稍候...')
+    this.messageBox = this.$message('Please wait while logging in...')
     this.handleLogin()
   },
   methods: {
@@ -86,4 +86,4 @@ export default {
     font-size: 20px;
     line-height: 30px;
   }
-</style>
+</style>