fix：排位赛匹配页面逻辑优化：增加超时判断&websocket丢失判断

src/pages/match-page.vue

@@ -3,22 +3,90 @@ import { ref, onMounted, onBeforeUnmount } from "vue";
 import { onLoad, onShow, onHide } from "@dcloudio/uni-app";
 import Container from "@/components/Container.vue";
 import Matching from "@/components/Matching.vue";
-import { matchGameAPI } from "@/apis";
+import { matchGameAPI, getBattleAPI } from "@/apis";
 import { MESSAGETYPESV2 } from "@/constants";
 
 const gameType = ref(0);
 const teamSize = ref(0);
 const onComplete = ref(null);
 
+/** 匹配超时计时器，用于检测 WS 消息丢失或真正超时 */
+const matchTimeoutTimer = ref(null);
+
+/** 匹配超时阈值（ms），后端设置 15s 匹配，前端预留 5s 冗余 */
+const MATCH_TIMEOUT_MS = 20 * 1000;
+
+/** 清除超时计时器 */
+const clearMatchTimeout = () => {
+  if (matchTimeoutTimer.value) {
+    clearTimeout(matchTimeoutTimer.value);
+    matchTimeoutTimer.value = null;
+  }
+};
+
+/**
+ * 超时处理：查询后端是否已分配对局
+ * - 有对局 → WS 消息丢失场景，自动跳入
+ * - 无对局 → 真正超时，提示用户并返回大厅
+ */
+const handleMatchTimeout = async () => {
+  try {
+    const battle = await getBattleAPI();
+    if (battle && battle.matchId) {
+      uni.showToast({ title: "匹配成功，正在进入...", icon: "none" });
+      if (battle.mode <= 3) {
+        uni.redirectTo({ url: `/pages/team-battle?battleId=${battle.matchId}` });
+      } else {
+        uni.redirectTo({ url: `/pages/melee-battle?battleId=${battle.matchId}` });
+      }
+    } else {
+      uni.showToast({ title: "匹配超时，请重试", icon: "none" });
+      try {
+        if (gameType.value && teamSize.value) {
+          await matchGameAPI(false, gameType.value, teamSize.value);
+        }
+      } catch (_) { /* 取消失败忽略 */ }
+      uni.navigateBack();
+    }
+  } catch (e) {
+    uni.showToast({ title: "匹配超时，请重试", icon: "none" });
+    uni.navigateBack();
+  }
+};
+
 async function stopMatch() {
   uni.$showHint(3);
 }
 
+/**
+ * 取消匹配，带容错处理：
+ * - 取消成功 → 返回大厅
+ * - 取消失败（后端已分配对局但 WS 未到达）→ 查询并跳入当前对局
+ */
 async function cancelMatch() {
+  clearMatchTimeout();
+  try {
     if (gameType.value && teamSize.value) {
       await matchGameAPI(false, gameType.value, teamSize.value);
     }
-  uni.navigateBack()
+    uni.navigateBack();
+  } catch (e) {
+    // 取消匹配接口失败，尝试查询是否已被分配对局
+    try {
+      const battle = await getBattleAPI();
+      if (battle && battle.matchId) {
+        if (battle.mode <= 3) {
+          uni.redirectTo({ url: `/pages/team-battle?battleId=${battle.matchId}` });
+        } else {
+          uni.redirectTo({ url: `/pages/melee-battle?battleId=${battle.matchId}` });
+        }
+      } else {
+        uni.navigateBack();
+      }
+    } catch (_) {
+      uni.navigateBack();
+    }
+  }
 }
 
 async function onReceiveMessage(msg) {
@@ -26,6 +94,8 @@ async function onReceiveMessage(msg) {
     onComplete.value = () => {}
   }
   if (msg.type === MESSAGETYPESV2.AboutToStart) {
+    // 收到开始消息，清除超时计时器
+    clearMatchTimeout();
     // 使用后端下发的 mode 字段判断跳转目标，与好友约战（battle-room.vue）保持一致
     // mode <= 3 为团队对抗，mode > 3 为大乱斗，覆盖全部 gameType（1~5），不再遗漏
     if (msg.mode <= 3) {
@@ -56,6 +126,7 @@ onMounted(() => {
 });
 
 onBeforeUnmount(() => {
+  clearMatchTimeout();
   uni.setKeepScreenOn({
     keepScreenOn: false,
   });
@@ -66,6 +137,9 @@ onBeforeUnmount(() => {
 onShow(async () => {
   if (gameType.value && teamSize.value) {
     matchGameAPI(true, gameType.value, teamSize.value);
+    // 启动超时计时器，防止 WS 消息丢失或长时间无对手导致用户卡死
+    clearMatchTimeout();
+    matchTimeoutTimer.value = setTimeout(handleMatchTimeout, MATCH_TIMEOUT_MS);
   }
 });