fix：优化重新进入比赛页面箭数展示逻辑

src/components/Header.vue

@@ -57,7 +57,6 @@ const signin = () => {
 
 const loading = ref(false);
 const pointBook = ref(null);
-const showProgress = ref(false);
 const heat = ref(0);
 /** 房间号按钮动态定位样式（position: fixed，根据胶囊真实位置计算，脱离 flex 流避免挤压标题） */
 const battleRoomBtnStyle = ref({});
@@ -82,9 +81,6 @@ onMounted(() => {
       pointBook.value = uni.getStorageSync("last-point-book");
     }
   }
-  if (currentPage.route === "pages/team-battle") {
-    showProgress.value = true;
-  }
   // 仅在对战房间页获取胶囊位置，按钮用 fixed 定位精确贴靠胶囊左侧（脱离 flex 流，不挤压标题）
   if (currentPage.route === "pages/battle-room") {
     try {
@@ -189,7 +185,7 @@ onBeforeUnmount(() => {
         }}</text
       >
     </view>
-    <view v-if="showProgress" class="battle-progress">
+    <view v-if="currentPage === 'pages/team-battle'" class="battle-progress">
       <HeaderProgress />
     </view>
     <!-- 对战房间：整个胶囊为分享按钮，房号从 Store 读取；fixed 定位紧靠系统胶囊左侧 -->