From 1dc91418569d82ce37cf658471969ddc5a7b69c8 Mon Sep 17 00:00:00 2001
From: shihan11 <zhangshihann1215@163.com>
Date: Tue, 9 Jun 2026 16:00:58 +0800
Subject: [PATCH] update static url settings

---
 apps/user/views.py | 7 +++++--
 config/settings.py | 4 ++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/apps/user/views.py b/apps/user/views.py
index 4fd96e8..e62a227 100644
--- a/apps/user/views.py
+++ b/apps/user/views.py
@@ -239,12 +239,15 @@ def _build_banner_url(request, banner_value):
 
     - 空值回退到 settings.DEFAULT_INSTITUTION_BANNER
     - 已是 http(s) 完整 URL 时原样返回
-    - 否则视为相对 STATIC_URL 的静态路径，拼成绝对 URL
+    - 否则视为相对 STATIC_URL 的静态路径，拼成绝对 URL；
+      若配置了 settings.STATIC_PUBLIC_PREFIX（如线上 '/server'），则补在前面，
+      以适配 Nginx 砍掉 /server 子路径前缀的部署。
     """
     value = banner_value or settings.DEFAULT_INSTITUTION_BANNER
     if value.startswith(('http://', 'https://')):
         return value
-    path = '/' + settings.STATIC_URL.strip('/') + '/' + value.lstrip('/')
+    prefix = settings.STATIC_PUBLIC_PREFIX.rstrip('/')
+    path = prefix + '/' + settings.STATIC_URL.strip('/') + '/' + value.lstrip('/')
     return request.build_absolute_uri(path)
 
 
diff --git a/config/settings.py b/config/settings.py
index e2eed15..238d4f3 100644
--- a/config/settings.py
+++ b/config/settings.py
@@ -109,6 +109,10 @@ USE_TZ = True
 STATIC_URL = 'static/'
 STATICFILES_DIRS = [BASE_DIR / 'static']
 
+# 静态资源公网前缀：本地直连为空；线上 Nginx 把应用挂在 /server 子路径下时设为 '/server'
+# （只用于生成对外可访问的静态 URL，不改变 Django 实际提供文件的路径）
+STATIC_PUBLIC_PREFIX = os.getenv('STATIC_PUBLIC_PREFIX', '')
+
 # 机构 Banner 默认图（当 Institution.banner_url 为空时回退使用，相对 STATIC_URL）
 DEFAULT_INSTITUTION_BANNER = 'institutions/default_hospital.png'