From e2bf84aec687aaf5c7943db1d5ae5a88efa4f720 Mon Sep 17 00:00:00 2001
From: lyf <2514544224@qq.com>
Date: Sun, 19 Jul 2026 22:50:28 +0800
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---
 src/pages/explain/list.vue               |  3 ++-
 tests/unit/ExplainListNavigation.spec.ts | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/pages/explain/list.vue b/src/pages/explain/list.vue
index 42f7a99..2fda1be 100644
--- a/src/pages/explain/list.vue
+++ b/src/pages/explain/list.vue
@@ -122,7 +122,8 @@ const returnToGuideHome = () => {
     ? previousPage.options.tab[0]
     : previousPage?.options?.tab
   const canNavigateBackToGuideHome = (
-    previousRoute === 'pages/index/index'
+    !shouldUseHostNavigation.value
+    && previousRoute === 'pages/index/index'
     && (!previousTab || previousTab === 'guide')
   )
 
diff --git a/tests/unit/ExplainListNavigation.spec.ts b/tests/unit/ExplainListNavigation.spec.ts
index be82d23..3ade3f3 100644
--- a/tests/unit/ExplainListNavigation.spec.ts
+++ b/tests/unit/ExplainListNavigation.spec.ts
@@ -122,6 +122,25 @@ describe('讲解展厅列表返回', () => {
     wrapper.unmount()
   })
 
+  it('微信嵌入态即使前置页是导览首页也不调用宿主返回', async () => {
+    hostEnvironmentMocks.embeddedInWechatMiniProgram = true
+    window.location.hash = '#/pages/explain/list?embedded=wechat-mini-program'
+    window.history.replaceState({}, '', window.location.href)
+    vi.stubGlobal('getCurrentPages', vi.fn(() => [
+      { route: 'pages/index/index', options: { tab: 'guide' } },
+      { route: 'pages/explain/list', options: {} }
+    ]))
+    const wrapper = mountExplainList()
+
+    await wrapper.get('[data-testid="explain-list-back"]').trigger('click')
+
+    expect(uni.navigateBack).not.toHaveBeenCalled()
+    expect(uni.reLaunch).toHaveBeenCalledWith(expect.objectContaining({
+      url: '/pages/index/index?tab=guide&embedded=wechat-mini-program'
+    }))
+    wrapper.unmount()
+  })
+
   it('上一页不是首页时使用 reLaunch，避免回到不相关页面', async () => {
     vi.stubGlobal('getCurrentPages', vi.fn(() => [
       { route: 'pages/search/index', options: {} },