ui: add warning for domain_role

packages/ui-default/locales/zh.yaml

@@ -753,6 +753,7 @@ Test data comes from: 测试数据来自
 Testdata Config: 测试数据配置
 Testdata: 测试数据
 Text: 文本
+The 'default' role applies to ALL REGISTERED USER.: default 角色作用于<b>所有已注册用户</b>
 The homework's deadline is due but in extension. You can still submit for this problem but your score will be penalized.: 作业已超过截止时间，但仍在延期时间内。您递交题目将无法获得全部分数。
 The invitation code to enter to successfully join the domain. You can only use letters and numbers in the code and it should not be longer than 64 characters.: 加入此域的邀请码。您只能使用字母和数字，并且不能长于 64 个字符。
 The invitation code you provided is invalid.: 您提供的邀请码无效。
@@ -894,6 +895,7 @@ You have permissions to create problems for this domain.: 您有权限为此域
 You have uncompleted domain creation operation. You can click "Continue" to finish the creation.: 您有未完成的创建域操作。您可以点击“继续”来完成创建。
 You haven't attended this contest yet.: 您还没有参加本次比赛。
 You haven't claimed this homework yet.: 您还未认领过该作业。
+You may want to create a new role in 'Manage Role' page.: 您可能希望在右侧管理角色面板中添加一个新角色。
 You need to enter the invitation code to join the domain.: 您需要输入邀请码来加入此域。
 You received a system message, click here to view.: 您收到一条系统通知，点击查看。
 You're not logged in.: 您没有登录。