diff --git a/core/backend/airshelf/urls.py b/core/backend/airshelf/urls.py
index 0447e7e..fd948a9 100644
--- a/core/backend/airshelf/urls.py
+++ b/core/backend/airshelf/urls.py
@@ -5,7 +5,9 @@ from apps.common.views import health_check
 
 
 urlpatterns = [
-    path("admin/", admin.site.urls),
+    # Django 自带后台挪到 /django-admin/:让前端 SPA 平台后台独占 /admin/*(否则 /admin/xx 刷新被
+    # nginx 反代给 Django → 404)。Django admin 命名空间仍是 "admin",reverse 不受影响。
+    path("django-admin/", admin.site.urls),
     path("api/health/", health_check, name="health-check"),
     path("api/auth/", include("apps.accounts.urls")),
     path("api/products/", include("apps.products.urls")),
diff --git a/core/frontend/nginx.conf b/core/frontend/nginx.conf
index 259698b..4863094 100644
--- a/core/frontend/nginx.conf
+++ b/core/frontend/nginx.conf
@@ -34,7 +34,8 @@ server {
         proxy_read_timeout 300s;
     }
 
-    location /admin/ {
+    # Django 自带后台(已从 /admin/ 挪到 /django-admin/);/admin/* 留给前端 SPA 平台后台,走底部 try_files 回落 index.html
+    location /django-admin/ {
         proxy_pass http://airshelf_api;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;