简单bug修改

src/views/login.vue

@@ -14,7 +14,7 @@
           v-model="loginForm.username"
           type="text"
           auto-complete="off"
-          placeholder="账号"
+          placeholder="登录账号"
         >
           <svg-icon
             slot="prefix"
@@ -103,7 +103,7 @@ export default {
       },
       loginRules: {
         username: [
-          { required: true, trigger: 'blur', message: '用户名不能为空' }
+          { required: true, trigger: 'blur', message: '登录账号不能为空' }
         ],
         password: [
           { required: true, trigger: 'blur', message: '密码不能为空' }