diff --git a/task_center/urls.py b/task_center/urls.py
index a9ed947..b2bd45a 100644
--- a/task_center/urls.py
+++ b/task_center/urls.py
@@ -14,15 +14,15 @@ Including another URLconf
     1. Import the include() function: from django.urls import include, path
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
-from django.contrib import admin
-from django.urls import path, include
-from django.conf import settings
-from django.conf.urls.static import static
-from tasks.views_frontend import index
-
-urlpatterns = [
-    path('houtai/', admin.site.urls),
-    path('api/', include('tasks.urls')),
-    # Root URL points to home page
-    path('', index, name='index'),
+from django.contrib import admin
+from django.urls import path, include
+from django.conf import settings
+from django.conf.urls.static import static
+from tasks.views_frontend import index
+
+urlpatterns = [
+    path('houtai/', admin.site.urls),
+    path('api/', include('tasks.urls')),
+    # Root URL points to home page
+    path('', index, name='index'),
 ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
diff --git a/tasks/admin.py b/tasks/admin.py
index a264d99..9718eb2 100644
--- a/tasks/admin.py
+++ b/tasks/admin.py
@@ -53,4 +53,4 @@ class TaskResultAdmin(admin.ModelAdmin):
             'classes': ('collapse',)
         }),
     )
-
+
diff --git a/tasks/models.py b/tasks/models.py
index 71eeb1e..01eb9d0 100644
--- a/tasks/models.py
+++ b/tasks/models.py
@@ -1,5 +1,6 @@
 from django.db import models
 from django.utils import timezone
+import secrets
 
 # Status choices for tasks
 STATUS_CHOICES = [
@@ -20,6 +21,13 @@ class Client(models.Model):
 
     def __str__(self):
         return self.name
+    
+    def save(self, *args, **kwargs):
+        # Generate a unique token if this is a new client
+        if not self.pk and not self.token:
+            # Use secrets module to generate a secure random token
+            self.token = secrets.token_urlsafe(64)  # 64 bytes -> ~86 characters
+        super().save(*args, **kwargs)
 
     class Meta:
         verbose_name = '客户端'