From 8a42db50895fe3d29c725e59fa0e9f845f41562c Mon Sep 17 00:00:00 2001
From: sugar1569 <sugar1569@vip.qq.com>
Date: Wed, 23 Sep 2026 16:34:28 +0800
Subject: [PATCH] =?UTF-8?q?fix(nginx):=20=E4=BF=AE=E5=A4=8D=E5=AE=BF?=
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添加 absolute_redirect off 配置，并修正后台链接末尾斜杠，解决宿主机 8011 映射容器 80 时跳转丢失端口的问题
---
 backend/public/install/templates/step5.php | 2 +-
 docker/nginx/vhost.conf                    | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/backend/public/install/templates/step5.php b/backend/public/install/templates/step5.php
index 484e47f06..4aa13a4e5 100755
--- a/backend/public/install/templates/step5.php
+++ b/backend/public/install/templates/step5.php
@@ -35,7 +35,7 @@ $host = $_SERVER['HTTP_HOST'];
             <a href="<?php echo 'http://'.$host;?>" class="btn mid">进入前台</a>
         </div>
         <div class="admin btn">
-            <a href="<?php echo 'http://'.$host;?>/admin" class="btn btn_submit J_install_btn mid">进入后台</a>
+            <a href="<?php echo 'http://'.$host;?>/admin/" class="btn btn_submit J_install_btn mid">进入后台</a>
         </div>
       </div>
     </div>
diff --git a/docker/nginx/vhost.conf b/docker/nginx/vhost.conf
index fdad80941..1496d5e02 100644
--- a/docker/nginx/vhost.conf
+++ b/docker/nginx/vhost.conf
@@ -6,6 +6,9 @@ server {
 
     root /var/www/public;
 
+    # 端口映射场景（宿主机 8011 -> 容器 80）：目录补斜杠 301 使用相对 Location，
+    # 避免跳转后丢失宿主机映射端口
+    absolute_redirect off;
 
     location / {
         # try_files $uri /index.php$is_args$args;