diff --git a/src/game_pages/detail/components/SharePopup/index.tsx b/src/game_pages/detail/components/SharePopup/index.tsx
index 31fbbdf..04813f3 100644
--- a/src/game_pages/detail/components/SharePopup/index.tsx
+++ b/src/game_pages/detail/components/SharePopup/index.tsx
@@ -12,7 +12,12 @@ import WechatLogo from "@/static/detail/wechat_icon.svg";
 // import WechatTimeline from "@/static/detail/wechat_timeline.svg";
 import LinkIcon from "@/static/detail/link.svg";
 import CrossIcon from "@/static/detail/cross.svg";
-import { genNTRPRequirementText, navto, genGameLength } from "@/utils/helper";
+import {
+  genNTRPRequirementText,
+  navto,
+  genGameLength,
+  formatGameStartTime,
+} from "@/utils/helper";
 import { waitForAuthInit } from "@/utils/authInit";
 import { useUserActions } from "@/store/userStore";
 import { OSS_BASE } from "@/config/api";
@@ -107,7 +112,7 @@ export default forwardRef(({ id, from, detail, userInfo }, ref) => {
     const startTime = dayjs(start_time);
     const endTime = dayjs(end_time);
     const dayofWeek = DayOfWeekMap.get(startTime.day());
-    const gameLength = `${endTime.diff(startTime, "hour")}小时`;
+    const gameLength = genGameLength(startTime, endTime);
     const currentUserInfo = await ensureUserInfo();
     try {
       const url = await generateShareImage({
@@ -119,7 +124,7 @@ export default forwardRef(({ id, from, detail, userInfo }, ref) => {
           skill_level_max,
         )}`,
         gameDate: `${startTime.format("M月D日")} (${dayofWeek})`,
-        gameTime: `${startTime.format("ah")}点 ${gameLength}`,
+        gameTime: `${formatGameStartTime(startTime)} ${gameLength}`,
         venueName: location_name,
         venueImages: image_list ? image_list : [],
       });
@@ -164,7 +169,6 @@ export default forwardRef(({ id, from, detail, userInfo }, ref) => {
     const startTime = dayjs(start_time);
     const endTime = dayjs(end_time);
     const dayofWeek = DayOfWeekMap.get(startTime.day());
-    // const gameLength = `${endTime.diff(startTime, "hour")}小时`;
     const game_length = genGameLength(startTime, endTime);
     let qrCodeUrl = "";
     try {
@@ -193,7 +197,7 @@ export default forwardRef(({ id, from, detail, userInfo }, ref) => {
         title,
         locationName: location_name,
         date: `${startTime.format("M月D日")} (${dayofWeek})`,
-        time: `${startTime.format("ah")}点 ${game_length}`,
+        time: `${formatGameStartTime(startTime)} ${game_length}`,
         qrCodeUrl,
       });
     } catch (e) {
diff --git a/src/game_pages/sharePoster/index.tsx b/src/game_pages/sharePoster/index.tsx
index 0289538..17b9dc4 100644
--- a/src/game_pages/sharePoster/index.tsx
+++ b/src/game_pages/sharePoster/index.tsx
@@ -14,7 +14,11 @@ import WechatLogo from "@/static/detail/wechat_icon.svg";
 import WechatTimeline from "@/static/detail/wechat_timeline.svg";
 import { useUserActions } from "@/store/userStore";
 import { DayOfWeekMap } from "../detail/config";
-import { genNTRPRequirementText } from "@/utils/helper";
+import {
+  genNTRPRequirementText,
+  genGameLength,
+  formatGameStartTime,
+} from "@/utils/helper";
 import { waitForAuthInit } from "@/utils/authInit";
 import { OSS_BASE } from "@/config/api";
 import styles from "./index.module.scss";
@@ -53,7 +57,7 @@ function SharePoster(props) {
     const startTime = dayjs(start_time);
     const endTime = dayjs(end_time);
     const dayofWeek = DayOfWeekMap.get(startTime.day());
-    const gameLength = `${endTime.diff(startTime, "hour")}小时`;
+    const gameLength = genGameLength(startTime, endTime);
     Taro.showLoading({ title: "生成中..." });
     const qrCodeUrlRes = await DetailService.getQrCodeUrl({
       page: "game_pages/detail/index",
@@ -77,7 +81,7 @@ function SharePoster(props) {
       title,
       locationName: location_name,
       date: `${startTime.format("M月D日")} (${dayofWeek})`,
-      time: `${startTime.format("ah")}点 ${gameLength}`,
+      time: `${formatGameStartTime(startTime)} ${gameLength}`,
       qrCodeUrl,
     });
     Taro.hideLoading();
diff --git a/src/utils/helper.ts b/src/utils/helper.ts
index 372e293..5448923 100644
--- a/src/utils/helper.ts
+++ b/src/utils/helper.ts
@@ -164,3 +164,12 @@ export function genGameLength(startTime: Dayjs, endTime: Dayjs) {
   // 保留一位小数，去除末尾的0
   return `${parseFloat(totalHours.toFixed(1))}小时`;
 }
+
+export function formatGameStartTime(startTime: Dayjs) {
+  if (!startTime || !startTime.isValid()) {
+    return "";
+  }
+  const hour = startTime.hour();
+  const minute = startTime.minute();
+  return minute === 0 ? `${hour}点` : `${hour}点${minute}分`;
+}