diff --git a/apps/system/migrations/0007_alter_dept_create_by_alter_dept_third_info_and_more.py b/apps/system/migrations/0007_alter_dept_create_by_alter_dept_third_info_and_more.py
new file mode 100644
index 00000000..195e4ef8
--- /dev/null
+++ b/apps/system/migrations/0007_alter_dept_create_by_alter_dept_third_info_and_more.py
@@ -0,0 +1,120 @@
+# Generated by Django 4.2.27 on 2026-01-16 06:41
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('system', '0006_auto_20241213_1249'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='dept',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='dept',
+            name='third_info',
+            field=models.JSONField(blank=True, default=dict, verbose_name='三方系统信息'),
+        ),
+        migrations.AlterField(
+            model_name='dept',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='dictionary',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='dictionary',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='dicttype',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='dicttype',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='file',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='file',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='myschedule',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='myschedule',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='post',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='post',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='postrole',
+            name='post',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='pr_post', to='system.post', verbose_name='关联岗位'),
+        ),
+        migrations.AlterField(
+            model_name='postrole',
+            name='role',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='pr_role', to='system.role', verbose_name='关联角色'),
+        ),
+        migrations.AlterField(
+            model_name='role',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='role',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='belong_dept',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_belong_dept', to='system.dept', verbose_name='所属部门'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='create_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_create_by', to=settings.AUTH_USER_MODEL, verbose_name='创建人'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='roles',
+            field=models.ManyToManyField(blank=True, to='system.role', verbose_name='关联角色'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='update_by',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='%(class)s_update_by', to=settings.AUTH_USER_MODEL, verbose_name='最后编辑人'),
+        ),
+    ]
diff --git a/apps/system/models.py b/apps/system/models.py
index 53658e3b..182c1134 100755
--- a/apps/system/models.py
+++ b/apps/system/models.py
@@ -54,7 +54,7 @@ class Dept(ParentModel, CommonAModel):
     name = models.CharField('名称', max_length=60)
     type = models.CharField('类型', max_length=20, default='dept')
     sort = models.PositiveSmallIntegerField('排序标记', default=1)
-    third_info = models.JSONField('三方系统信息', default=dict)
+    third_info = models.JSONField('三方系统信息', default=dict, blank=True)
 
     class Meta:
         verbose_name = '部门'
@@ -109,9 +109,9 @@ class PostRole(BaseModel):
     data_range = models.PositiveSmallIntegerField('数据权限范围', choices=DataFilter.choices,
                                                   default=DataFilter.THISLEVEL_AND_BELOW)
     post = models.ForeignKey(Post, verbose_name='关联岗位',
-                             on_delete=models.CASCADE)
+                             on_delete=models.CASCADE, related_name="pr_post")
     role = models.ForeignKey(Role, verbose_name='关联角色',
-                             on_delete=models.CASCADE)
+                             on_delete=models.CASCADE, related_name='pr_role')
 
 
 class SoftDeletableUserManager(SoftDeletableManagerMixin, UserManager):
@@ -134,7 +134,7 @@ class User(AbstractUser, CommonBModel):
     posts = models.ManyToManyField(
         Post, through='system.userpost', related_name='user_posts')
     depts = models.ManyToManyField(Dept, through='system.userpost')
-    roles = models.ManyToManyField(Role, verbose_name='关联角色')
+    roles = models.ManyToManyField(Role, verbose_name='关联角色', blank=True)
 
     # 关联账号
     secret = models.CharField('密钥', max_length=100, null=True, blank=True)