diff --git a/backend/config/settings.py b/backend/config/settings.py
index 7119072..24ceae8 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -100,8 +100,8 @@ DATABASES = {
 }
 
 # 从环境变量获取数据库配置 (Docker 环境会自动注入这些变量)
-DB_HOST = os.environ.get('DB_HOST', '121.43.104.161')
-#DB_HOST = os.environ.get('DB_HOST', '6.6.6.66')
+#DB_HOST = os.environ.get('DB_HOST', '121.43.104.161')
+DB_HOST = os.environ.get('DB_HOST', '6.6.6.66')
 if DB_HOST:
     DATABASES['default'] = {
         'ENGINE': 'django.db.backends.postgresql',
@@ -109,8 +109,8 @@ if DB_HOST:
         'USER': os.environ.get('DB_USER', 'market'),
         'PASSWORD': os.environ.get('DB_PASSWORD', '123market'),
         'HOST': DB_HOST,
-        'PORT': os.environ.get('DB_PORT', '6433'),
-        #'PORT': os.environ.get('DB_PORT', '5432'),
+        #'PORT': os.environ.get('DB_PORT', '6433'),
+        'PORT': os.environ.get('DB_PORT', '5432'),
     }