diff --git a/apiserver/paasng/paasng/platform/applications/migrations/0013_applicationdeploymentmoduleorder.py b/apiserver/paasng/paasng/platform/applications/migrations/0013_applicationdeploymentmoduleorder.py
index 1b22c87fb..d14d70f81 100644
--- a/apiserver/paasng/paasng/platform/applications/migrations/0013_applicationdeploymentmoduleorder.py
+++ b/apiserver/paasng/paasng/platform/applications/migrations/0013_applicationdeploymentmoduleorder.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.16 on 2024-11-21 09:59
+# Generated by Django 4.2.16 on 2024-11-28 08:22
 
 from django.db import migrations, models
 import django.db.models.deletion
@@ -7,20 +7,36 @@
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('modules', '0016_auto_20240904_1439'),
-        ('applications', '0012_application_is_ai_agent_app'),
+        ("modules", "0016_auto_20240904_1439"),
+        ("applications", "0012_application_is_ai_agent_app"),
     ]
 
     operations = [
         migrations.CreateModel(
-            name='ApplicationDeploymentModuleOrder',
+            name="ApplicationDeploymentModuleOrder",
             fields=[
-                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('order', models.IntegerField(verbose_name='顺序')),
-                ('module', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='modules.module', unique=True, verbose_name='模块')),
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("order", models.IntegerField(verbose_name="顺序")),
+                (
+                    "module",
+                    models.OneToOneField(
+                        db_constraint=False,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="modules.module",
+                        verbose_name="模块",
+                    ),
+                ),
             ],
             options={
-                'verbose_name': '模块顺序',
+                "verbose_name": "模块顺序",
             },
         ),
     ]
diff --git a/apiserver/paasng/paasng/platform/applications/models.py b/apiserver/paasng/paasng/platform/applications/models.py
index cff103769..272df61f7 100644
--- a/apiserver/paasng/paasng/platform/applications/models.py
+++ b/apiserver/paasng/paasng/platform/applications/models.py
@@ -606,7 +606,7 @@ def code(self):
 
 
 class ApplicationDeploymentModuleOrder(models.Model):
-    module = models.ForeignKey(Module, on_delete=models.CASCADE, verbose_name="模块", unique=True)
+    module = models.OneToOneField(Module, on_delete=models.CASCADE, verbose_name="模块", db_constraint=False)
     order = models.IntegerField(verbose_name="顺序")
 
     class Meta: