修改登录文字描述

src/views/Login.vue

@@ -25,7 +25,7 @@
         <el-form-item prop="username">
           <el-input
             v-model="loginForm.username"
-            placeholder="用户名或邮箱"
+            placeholder="电话号码"
             size="large"
             prefix-icon="User"
             clearable
@@ -103,7 +103,7 @@ const loginForm = reactive({
 // 表单验证规则
 const loginRules = {
   username: [
-    { required: true, message: '请输入用户名或邮箱', trigger: 'blur' },
+    { required: true, message: '请输入电话号码', trigger: 'blur' },
     { min: 3, message: '用户名长度不能少于3位', trigger: 'blur' }
   ],
   password: [