diff --git a/apps/application/migrations/0002_alter_application_user_alter_chat_id.py b/apps/application/migrations/0002_alter_application_user_alter_chat_id.py
index 090477bae..a57411465 100644
--- a/apps/application/migrations/0002_alter_application_user_alter_chat_id.py
+++ b/apps/application/migrations/0002_alter_application_user_alter_chat_id.py
@@ -1,7 +1,7 @@
 # Generated by Django 5.2.1 on 2025-06-24 09:53
 
 import django.db.models.deletion
-import uuid
+import uuid_utils.compat
 from django.db import migrations, models
 
 
@@ -21,6 +21,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='chat',
             name='id',
-            field=models.UUIDField(default=uuid.UUID('0197a15b-1024-7930-b06c-75dfaf6cba43'), editable=False, primary_key=True, serialize=False, verbose_name='主键id'),
+            field=models.UUIDField(default=uuid_utils.compat.uuid7, editable=False, primary_key=True, serialize=False, verbose_name='主键id'),
         ),
     ]
diff --git a/apps/application/models/application_chat.py b/apps/application/models/application_chat.py
index 00510bf15..139373449 100644
--- a/apps/application/models/application_chat.py
+++ b/apps/application/models/application_chat.py
@@ -25,7 +25,7 @@ class ChatUserType(models.TextChoices):
 
 
 class Chat(AppModelMixin):
-    id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7(), editable=False, verbose_name="主键id")
+    id = models.UUIDField(primary_key=True, max_length=128, default=uuid.uuid7, editable=False, verbose_name="主键id")
     application = models.ForeignKey(Application, on_delete=models.CASCADE)
     abstract = models.CharField(max_length=1024, verbose_name="摘要")
     chat_user_id = models.UUIDField(verbose_name="客户端id", default=None, null=True)
diff --git a/apps/system_manage/migrations/0002_alter_workspaceuserresourcepermission_user.py b/apps/system_manage/migrations/0002_alter_workspaceuserresourcepermission_user.py
new file mode 100644
index 000000000..08a252c6b
--- /dev/null
+++ b/apps/system_manage/migrations/0002_alter_workspaceuserresourcepermission_user.py
@@ -0,0 +1,20 @@
+# Generated by Django 5.2.1 on 2025-06-24 10:02
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('system_manage', '0001_initial'),
+        ('users', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='workspaceuserresourcepermission',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='users.user', verbose_name='工作空间下的用户'),
+        ),
+    ]
diff --git a/apps/system_manage/models/workspace_user_permission.py b/apps/system_manage/models/workspace_user_permission.py
index 590f7e32b..e853b850c 100644
--- a/apps/system_manage/models/workspace_user_permission.py
+++ b/apps/system_manage/models/workspace_user_permission.py
@@ -31,7 +31,7 @@ class WorkspaceUserResourcePermission(models.Model):
 
     workspace_id = models.CharField(max_length=128, verbose_name="工作空间id", default="default")
 
-    user = models.ForeignKey(User, on_delete=models.DO_NOTHING, verbose_name="工作空间下的用户")
+    user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name="工作空间下的用户")
 
     auth_target_type = models.CharField(verbose_name='授权目标', max_length=128, choices=AuthTargetType.choices,
                                         default=AuthTargetType.KNOWLEDGE)