diff --git a/src/pages/explain/guide-stop-list.vue b/src/pages/explain/guide-stop-list.vue
index 089602a..2abde0c 100644
--- a/src/pages/explain/guide-stop-list.vue
+++ b/src/pages/explain/guide-stop-list.vue
@@ -65,6 +65,21 @@ const syncPageTitle = (title: string) => {
   if (typeof document !== 'undefined') document.title = title
 }
 
+const decodeRouteParam = (value: string) => {
+  let decoded = value
+  // H5 hash routes embedded in web-view can add multiple URL-encoding layers.
+  for (let index = 0; index < 8; index += 1) {
+    try {
+      const next = decodeURIComponent(decoded)
+      if (next === decoded) break
+      decoded = next
+    } catch {
+      break
+    }
+  }
+  return decoded
+}
+
 const loadPage = async (pageNo: number, replace: boolean) => {
   const hallId = selectedExplainHallId.value
   if (!hallId || disposed || (!replace && (loadingMore.value || !hasMore.value))) return false
@@ -115,8 +130,8 @@ const loadNextPage = () => void loadPage(nextPageNo.value, false)
 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'
-  syncPageTitle('讲解对象')
+  selectedExplainHallName.value = decodeRouteParam(first(options.hallName) || '讲解对象')
+  syncPageTitle(selectedExplainHallName.value)
   if (!selectedExplainHallId.value) {
     explainError.value = '缺少展厅参数，请返回展厅列表后重试'
     return
diff --git a/tests/unit/ExplainGuideStopListNavigation.spec.ts b/tests/unit/ExplainGuideStopListNavigation.spec.ts
index c375dc8..d2178df 100644
--- a/tests/unit/ExplainGuideStopListNavigation.spec.ts
+++ b/tests/unit/ExplainGuideStopListNavigation.spec.ts
@@ -98,18 +98,21 @@ describe('讲解对象列表返回', () => {
     wrapper.unmount()
   })
 
-  it('keeps the selected hall context when an object payload omits hall fields', async () => {
+  it('uses the decoded hall name as the page title and detail context', async () => {
     const wrapper = mountGuideStopList()
-    testState.onLoadHandler?.({ hallId: 'hall-1', hallName: '恐龙厅' })
+    testState.onLoadHandler?.({ hallId: 'hall-1', hallName: '%25E6%25BC%2594%25E5%258C%2596%25E5%258E%2585' })
     await flushPromises()
 
+    expect(uni.setNavigationBarTitle).toHaveBeenCalledWith({ title: '演化厅' })
+    expect(document.title).toBe('演化厅')
+
     await wrapper.get('[data-testid="detail-click"]').trigger('click')
 
     const url = vi.mocked(uni.navigateTo).mock.calls[0]?.[0]?.url || ''
     const params = new URLSearchParams(url.split('?')[1])
     expect(url.split('?')[0]).toBe('/pages/exhibit/detail')
     expect(params.get('hallId')).toBe('hall-1')
-    expect(params.get('hallName')).toBe('恐龙厅')
+    expect(params.get('hallName')).toBe('演化厅')
     expect(params.get('targetType')).toBe('STOP')
     expect(params.get('targetId')).toBe('target-1')
     wrapper.unmount()