From 8b2c36677e4ab6dc3500473698666c0c0f1f24ee Mon Sep 17 00:00:00 2001
From: lyf <2514544224@qq.com>
Date: Fri, 3 Jul 2026 02:44:51 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=AE=B2=E8=A7=A3=E8=AF=A6?=
 =?UTF-8?q?=E6=83=85=E9=A1=B5=E8=BF=94=E5=9B=9E=E6=8C=89=E9=92=AE?=
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---
 src/pages/exhibit/detail.vue | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/src/pages/exhibit/detail.vue b/src/pages/exhibit/detail.vue
index 202396b..9918660 100644
--- a/src/pages/exhibit/detail.vue
+++ b/src/pages/exhibit/detail.vue
@@ -400,14 +400,29 @@ const handleNavigate = async () => {
   })
 }
 
+const fallbackToExplainHome = () => {
+  uni.reLaunch({
+    url: '/pages/index/index?tab=explain'
+  })
+}
+
 const handleBack = () => {
+  if (typeof window !== 'undefined' && window.history.length > 1) {
+    const currentHref = window.location.href
+    window.history.back()
+
+    // H5 深链或异常历史栈下 history.back 可能不改变页面，兜底回到讲解首页。
+    window.setTimeout(() => {
+      if (window.location.href === currentHref) {
+        fallbackToExplainHome()
+      }
+    }, 800)
+    return
+  }
+
   uni.navigateBack({
     delta: 1,
-    fail: () => {
-      uni.reLaunch({
-        url: '/pages/index/index?tab=explain'
-      })
-    }
+    fail: fallbackToExplainHome
   })
 }
 </script>