diff --git a/backend/config/settings.py b/backend/config/settings.py
index 664f04c..954dc43 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -101,19 +101,7 @@ 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', '6.6.6.66')
-# if DB_HOST:
-#     DATABASES['default'] = {
-#         'ENGINE': 'django.db.backends.postgresql',
-#         'NAME': os.environ.get('DB_NAME', 'market'),
-#         'USER': os.environ.get('DB_USER', 'market'),
-#         'PASSWORD': os.environ.get('DB_PASSWORD', '123market'),
-#         'HOST': DB_HOST,
-#         'PORT': os.environ.get('DB_PORT', '5432'),
-#     }
-
-
-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',
@@ -121,10 +109,22 @@ 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'),
     }
 
 
+# DB_HOST = os.environ.get('DB_HOST', '121.43.104.161')
+# if DB_HOST:
+#     DATABASES['default'] = {
+#         'ENGINE': 'django.db.backends.postgresql',
+#         'NAME': os.environ.get('DB_NAME', 'market'),
+#         'USER': os.environ.get('DB_USER', 'market'),
+#         'PASSWORD': os.environ.get('DB_PASSWORD', '123market'),
+#         'HOST': DB_HOST,
+#         'PORT': os.environ.get('DB_PORT', '6433'),
+#     }
+
+
 # Password validation
 # https://docs.djangoproject.com/en/6.0/ref/settings/#auth-password-validators
 
diff --git a/docker-compose.yml b/docker-compose.yml
index c424d2f..b77462f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,7 +11,7 @@ services:
       - DB_NAME=market
       - DB_USER=market
       - DB_PASSWORD=123market
-      - DB_HOST=localhost
+      - DB_HOST=6.6.6.66
       - DB_PORT=5432
 
   frontend: