diff --git a/README.md b/README.md
index a289e48..ddc3105 100644
--- a/README.md
+++ b/README.md
@@ -199,6 +199,27 @@ celery -A backend flower --port=5555 --basic_auth=admin:admin123
 
 将 `VITE_OSS_ENABLED` 设置为 `false` 或删除相关配置即可。
 
+## 演示环境配置
+
+### 启用演示模式
+
+在 `docker/.env.prod` 中设置：
+
+```env
+DEMO_MODE=true
+```
+
+演示模式下：
+- 全局禁止所有修改和删除操作（POST、PUT、PATCH、DELETE）
+- 只允许登录、登出等基础操作
+- 所有修改/删除请求将返回 403 错误
+- **禁用 Django Admin 后台管理界面**
+- 适用于在线演示，防止数据被误操作
+
+### 禁用演示模式
+
+将 `DEMO_MODE` 设置为 `false` 或删除该配置即可正常使用所有功能，包括 Admin 后台。
+
 ---
 
 # 技术架构
diff --git a/backend/backend/settings.py b/backend/backend/settings.py
index b5f9396..1fb84f2 100644
--- a/backend/backend/settings.py
+++ b/backend/backend/settings.py
@@ -25,6 +25,9 @@ SECRET_KEY = 'django-insecure-m4@pv814c_m^pgpyhz^i96a@mcqh_@m9ccu(17*895t!79e!nb
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = os.getenv('DEBUG', 'False') == 'True'
 
+# 演示环境配置
+DEMO_MODE = os.getenv('DEMO_MODE', 'False') == 'False'
+
 ALLOWED_HOSTS = [
     '*',
 ]
@@ -64,6 +67,10 @@ MIDDLEWARE = [
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
 
+# 演示环境中间件 - 全局禁止修改和删除操作
+if DEMO_MODE:
+    MIDDLEWARE.append('utils.middleware.DemoModeMiddleware')
+
 AUTH_USER_MODEL = 'system.User'
 ROOT_URLCONF = 'backend.urls'
 
diff --git a/backend/backend/urls.py b/backend/backend/urls.py
index 99291cf..04d3763 100644
--- a/backend/backend/urls.py
+++ b/backend/backend/urls.py
@@ -16,8 +16,12 @@ Including another URLconf
 """
 from django.contrib import admin
 from django.urls import path, include
+from django.conf import settings
 
 urlpatterns = [
-    path('admin/', admin.site.urls),
     path('api/system/', include('system.urls')),
 ]
+
+# 演示环境下禁用 admin 路由
+if not settings.DEMO_MODE:
+    urlpatterns.insert(0, path('admin/', admin.site.urls))
diff --git a/backend/utils/middleware.py b/backend/utils/middleware.py
new file mode 100644
index 0000000..f620b88
--- /dev/null
+++ b/backend/utils/middleware.py
@@ -0,0 +1,43 @@
+import json
+from django.http import JsonResponse
+from django.utils.deprecation import MiddlewareMixin
+from rest_framework import status
+
+
+class DemoModeMiddleware(MiddlewareMixin):
+    """
+    演示环境中间件
+    全局禁止修改和删除操作
+    """
+    
+    def process_request(self, request):
+        # 只处理 API 请求
+        if not request.path.startswith('/api/'):
+            return None
+            
+        # 禁止的 HTTP 方法
+        forbidden_methods = ['POST', 'PUT', 'PATCH', 'DELETE']
+        
+        if request.method in forbidden_methods:
+            # 检查是否是登录接口，登录接口允许 POST
+            if request.path.endswith('/login/') or request.path.endswith('/auth/login/'):
+                return None
+                
+            # 检查是否是登出接口，登出接口允许 POST
+            if request.path.endswith('/logout/') or request.path.endswith('/auth/logout/'):
+                return None
+                
+            # 其他修改/删除操作一律禁止
+            response_data = {
+                'code': 403,
+                'message': '演示环境禁止修改和删除操作',
+                'data': None
+            }
+            
+            return JsonResponse(
+                response_data, 
+                status=status.HTTP_403_FORBIDDEN,
+                content_type='application/json'
+            )
+        
+        return None 
\ No newline at end of file
diff --git a/docker/.env.dev b/docker/.env.dev
index 0c74022..e897506 100644
--- a/docker/.env.dev
+++ b/docker/.env.dev
@@ -7,7 +7,8 @@ MYSQL_PORT=3306
 MYSQL_ROOT_PASSWORD=58ce16c2ee80311e130b30f11160ef77e0ac6aa7
 
 # Django
-DEBUG=False
+DEBUG=True
+DEMO_MODE=False
 DJANGO_ALLOWED_HOSTS=*
 DB_NAME=django_vue
 DB_USER=root
diff --git a/docker/.env.example b/docker/.env.example
index 9fa3aa1..8d22869 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -17,7 +17,8 @@ MYSQL_PORT=3306
 MYSQL_ROOT_PASSWORD=58ce16c2ee80311e130b30f11160ef77e0ac6aa7
 
 # Django
-DEBUG=False
+DEBUG=True
+DEMO_MODE=False
 DJANGO_ALLOWED_HOSTS=*
 DB_NAME=django_vue
 DB_USER=root
diff --git a/docker/.env.prod b/docker/.env.prod
index f93d27a..e9e63c4 100644
--- a/docker/.env.prod
+++ b/docker/.env.prod
@@ -10,6 +10,7 @@ MYSQL_ROOT_PASSWORD=58ce16c2ee80311e130b30f11160ef77e0ac6aa7
 
 # Django
 DEBUG=False
+DEMO_MODE=False
 DJANGO_ALLOWED_HOSTS=*
 DB_NAME=django_vue
 DB_USER=root
diff --git a/web/apps/web-antd/src/views/_core/authentication/login.vue b/web/apps/web-antd/src/views/_core/authentication/login.vue
index 8bcc45d..ab1bc8a 100644
--- a/web/apps/web-antd/src/views/_core/authentication/login.vue
+++ b/web/apps/web-antd/src/views/_core/authentication/login.vue
@@ -16,10 +16,6 @@ const authStore = useAuthStore();
 const MOCK_USER_OPTIONS: BasicOption[] = [
   {
     label: 'Super',
-    value: 'vben',
-  },
-  {
-    label: 'Admin',
     value: 'admin',
   },
   {