修复讲解详情返回对象列表

src/pages/explain/guide-stop-list.vue

@@ -40,6 +40,7 @@ const explainError = ref('')
 const loadMoreError = ref('')
 const hasMore = ref(false)
 const nextPageNo = ref(1)
+const shouldReturnToHallList = ref(false)
 let requestVersion = 0
 let disposed = false
 let returningToMiniProgram = false
@@ -119,6 +120,7 @@ onLoad((options: Record<string, string | string[] | undefined> = {}) => {
   const first = (value: string | string[] | undefined) => Array.isArray(value) ? value[0] : value
   selectedExplainHallId.value = first(options.hallId) || ''
   selectedExplainHallName.value = first(options.hallName) || '讲解对象'
+  shouldReturnToHallList.value = first(options.returnToHallList) === '1'
   syncPageTitle('讲解对象')
   if (!selectedExplainHallId.value) {
     explainError.value = '缺少展厅参数，请返回展厅列表后重试'
@@ -144,6 +146,8 @@ const handleExplainGuideStopClick = (stop: ExplainGuideStopCatalogItem) => {
   if (hallName) params.set('hallName', hallName)
   if (stop.floorId) params.set('floorId', stop.floorId)
   if (stop.poiId) params.set('poiId', stop.poiId)
+  params.set('returnToGuideStopList', '1')
+  if (shouldReturnToHallList.value) params.set('returnToHallList', '1')
   uni.navigateTo({ url: `/pages/exhibit/detail?${params.toString()}` })
 }
 
@@ -173,6 +177,12 @@ const returnToHallList = async () => {
     return
   }
 
+  // H5 web-view 有时不会暴露完整页面栈，保留入口上下文即可回到展厅列表。
+  if (shouldReturnToHallList.value) {
+    fallbackToHallList()
+    return
+  }
+
   if (isEmbeddedInWechatMiniProgram()) {
     if (returningToMiniProgram) return
     returningToMiniProgram = true