diff --git a/src/GZCTF/ClientApp/src/pages/admin/games/[id]/Info.tsx b/src/GZCTF/ClientApp/src/pages/admin/games/[id]/Info.tsx
index 1f44cf06a..e6ed166f4 100644
--- a/src/GZCTF/ClientApp/src/pages/admin/games/[id]/Info.tsx
+++ b/src/GZCTF/ClientApp/src/pages/admin/games/[id]/Info.tsx
@@ -285,6 +285,7 @@ const GameInfoEdit: FC = () => {
               .hour(Number(newTime[0]))
               .minute(Number(newTime[1]))
               .second(Number(newTime[2]))
+              .millisecond(0)
             setStart(newDate)
             if (newDate && end < newDate) {
               setEnd(newDate.add(2, 'h'))
@@ -318,6 +319,7 @@ const GameInfoEdit: FC = () => {
               .hour(Number(newTime[0]))
               .minute(Number(newTime[1]))
               .second(Number(newTime[2]))
+              .millisecond(0)
             setEnd(newDate)
           }}
           error={end < start}
diff --git a/src/GZCTF/ClientApp/src/utils/useGame.ts b/src/GZCTF/ClientApp/src/utils/useGame.ts
index 60fad8262..bf1ce40ee 100644
--- a/src/GZCTF/ClientApp/src/utils/useGame.ts
+++ b/src/GZCTF/ClientApp/src/utils/useGame.ts
@@ -7,13 +7,12 @@ export const getGameStatus = (game?: DetailedGameInfoModel) => {
   const startTime = dayjs(game?.start)
   const endTime = dayjs(game?.end)
 
-  const duriation = endTime.diff(startTime, 'minute')
+  const total = endTime.diff(startTime, 'minute')
   const current = dayjs().diff(startTime, 'minute')
 
-  const finished = current > duriation
+  const finished = current > total
   const started = current > 0
-  const total = endTime.diff(startTime, 'minute')
-  const progress = started ? (finished ? 1 : current / duriation) : 0
+  const progress = started ? (finished ? 1 : current / total) : 0
   const status = started ? (finished ? GameStatus.Ended : GameStatus.OnGoing) : GameStatus.Coming
 
   return {
diff --git a/src/GZCTF/Services/MailSender.cs b/src/GZCTF/Services/MailSender.cs
index 9ba25518a..77dc584cc 100644
--- a/src/GZCTF/Services/MailSender.cs
+++ b/src/GZCTF/Services/MailSender.cs
@@ -93,9 +93,9 @@ public bool SendConfirmEmailUrl(string? userName, string? email, string? confirm
             "确认验证邮箱", userName, email, confirmLink);
 
     public bool SendChangeEmailUrl(string? userName, string? email, string? resetLink)
-        => SendUrlIfPossible("更改邮箱",
+        => SendUrlIfPossible("更换邮箱",
             "你正在进行账户邮箱更换操作，请点击下方按钮验证你的新邮箱。",
-            "确认跟换邮箱", userName, email, resetLink);
+            "确认更换邮箱", userName, email, resetLink);
 
     public bool SendResetPasswordUrl(string? userName, string? email, string? resetLink)
         => SendUrlIfPossible("重置密码",