diff --git a/JobRadar/settings/development.py b/JobRadar/settings/development.py
index 161cc51..1e77fbc 100644
--- a/JobRadar/settings/development.py
+++ b/JobRadar/settings/development.py
@@ -5,9 +5,8 @@ from __future__ import annotations
 import secrets
 import warnings
 
-from .base import BASE_DIR, env, env_bool, env_list
 from .base import *  # noqa: F403
-
+from .base import BASE_DIR, env, env_bool, env_list
 
 DEBUG = env_bool("DJANGO_DEBUG", default=True)
 ALLOWED_HOSTS = env_list(
@@ -50,4 +49,3 @@ elif database_engine in {"postgres", "postgresql"}:
     }
 else:
     raise ValueError("DATABASE_ENGINE 仅支持 sqlite、postgres 或 postgresql。")
-
diff --git a/JobRadar/settings/integration.py b/JobRadar/settings/integration.py
index e5fc758..e40375f 100644
--- a/JobRadar/settings/integration.py
+++ b/JobRadar/settings/integration.py
@@ -1,7 +1,7 @@
 """PostgreSQL 集成验证配置，只允许显式提供测试数据库凭据。"""
 
-from .base import env, env_list
 from .base import *  # noqa: F403
+from .base import env, env_list
 
 
 def required_env(name: str) -> str:
@@ -29,4 +29,3 @@ DATABASES = {
         "OPTIONS": {"sslmode": env("POSTGRES_SSLMODE", "require")},
     }
 }
-
diff --git a/accounts/models.py b/accounts/models.py
index 38fb75e..6abbdca 100644
--- a/accounts/models.py
+++ b/accounts/models.py
@@ -10,7 +10,10 @@ class UserProfile(TimeStampedModel):
     """保存可独立演进的展示资料，不复制认证字段。"""
 
     user = models.OneToOneField(
-        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, related_name="profile", verbose_name="用户"
+        settings.AUTH_USER_MODEL,
+        on_delete=models.CASCADE,
+        related_name="profile",
+        verbose_name="用户",
     )
     display_name = models.CharField("显示名", max_length=80, blank=True)
     timezone = models.CharField("时区", max_length=64, default="Asia/Shanghai")