ui: fix grammar mistakes (#570)

packages/ui-default/locales/zh.yaml

@@ -553,7 +553,7 @@ New Training Plan: 新训练计划
 New: 创建
 No {0} at current.: 当前没有{0}。
 No comments so far...: 目前还没有评论...
-no discussion yet...: 目前没有讨论…
+No discussion yet...: 目前没有讨论…
 No Permission to Attend Contest: 您没有权限参加比赛
 No Permission to Claim Homework: 您没有权限认领作业
 No Permission to Create a Discussion: 您没有权限创建讨论
@@ -579,7 +579,7 @@ Oh, the user hasn't created any discussions yet!: 这个用户还没有发布过
 Oh, the user hasn't submitted yet!: 这个用户还没有交过题 _(:зゝ∠)_
 Oh, there is no submission!: 喔，还没有评测记录呢！
 Oh, there is no task in the queue!: 喔，队列中目前没有任务。
-Oh, there is no task that matches the filter!: 喔，目前没有符合过滤条件的任务。
+Oh, there are no tasks that match the filter!: 喔，目前没有符合过滤条件的任务。
 Ok: 确定
 Only A-Z, a-z, 0-9 and _ are accepted: 只接受 A-Z, a-z, 0-9 和 _
 Oops, there are no results.: 呀，没有结果。
@@ -622,7 +622,7 @@ perm_training: 训练
 Permission Control: 权限控制
 Permission: 权限
 Permissions: 权限
-Pick a problem randomly based on current filter: 根据当前过滤条件随机选择一道题
+Pick a problem randomly based on the current filter.: 根据当前过滤条件随机选择一道题
 Pin: 置顶
 PingFang SC: 苹方简体
 Plan: 计划
@@ -804,9 +804,9 @@ Solutions Liked: 题解被赞
 Solutions: 题解
 Solve: 解决
 Solved: 解决
-Sorry, there is no problem in the problem set: 题库中没有题目
-Sorry, there is no training plan.: 目前没有训练计划。
-Sorry, there is no user in this domain.: 对不起，此域中没有用户。
+Sorry, there are no problems in the problem set.: 题库中没有题目
+Sorry, there are no training plans.: 目前没有训练计划。
+Sorry, there are no users in this domain.: 对不起，此域中没有用户。
 Sorry: 对不起
 Sort by: 排序
 Source type: 来源类型
@@ -1000,7 +1000,7 @@ Write Your Solution: 发表您的题解
 Year: 年
 You are not allowed to join the domain. The link is either invalid or expired.: 您无法加入该域，链接无效或已过期。
 You can also upload your avatar to Gravatar and it will be automatically updated here.: 你也可以将头像上传到 <a href="https://gravatar.com/">Gravatar</a>，本站的头像将自动更新。
-You can create your own training plans and share with others.: 您可以创建您自己的训练计划并且与他人分享。
+You can create your own training plans and share them with others.: 您可以创建您自己的训练计划并且与他人分享。
 You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.: 该比赛已结束，您无法在比赛模式下递交该题目。您可以点击“在题库中打开”以普通模式查看和递交本题。
 You cannot submit for this problem because the homework's deadline is due.: 作业已超过截止时间，您无法递交本题目。
 You cannot visit this domain.: 您不能访问此域。
@@ -1009,7 +1009,7 @@ You don't have the required permission ({0}) in this domain.: 您在该域中无
 You don't have the required privilege.: 您没有相应的特权。
 You don't own any domain and don't have privilege to create domain.: 您不拥有任何域也没有创建域的特权。
 You have not submitted any solutions for this problem: 您在该题下没有递交过任何解答
-You have permissions to create problems for this domain.: 您有权限为此域创建题目。
+You have permission to create problems for this domain.: 您有权限为此域创建题目。
 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。