diff --git a/backend/config/settings.py b/backend/config/settings.py
index e37c7c1..9033074 100644
--- a/backend/config/settings.py
+++ b/backend/config/settings.py
@@ -194,3 +194,17 @@ UNFOLD = {
 
 # 禁用自动补齐斜杠，防止破坏微信支付的 POST 回调
 APPEND_SLASH = False
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'handlers': {
+        'console': {
+            'class': 'logging.StreamHandler',
+        },
+    },
+    'root': {
+        'handlers': ['console'],
+        'level': 'INFO',
+    },
+}
diff --git a/backend/shop/views.py b/backend/shop/views.py
index 56c0576..1fd53e8 100644
--- a/backend/shop/views.py
+++ b/backend/shop/views.py
@@ -71,11 +71,19 @@ def get_wechat_pay_client():
     if private_key:
         # 统一处理私钥格式
         private_key = private_key.strip()
-        if 'BEGIN PRIVATE KEY' not in private_key:
+        
+        # 移除可能存在的首尾空白字符
+        if 'BEGIN PRIVATE KEY' in private_key:
+            # 如果已经包含 PEM 头，尝试清理并重新格式化
+            lines = private_key.split('\n')
+            clean_lines = [line.strip() for line in lines if line.strip()]
+            private_key = '\n'.join(clean_lines)
+        else:
+             # 如果没有头尾，说明是纯 base64 内容，尝试添加
             private_key = f"-----BEGIN PRIVATE KEY-----\n{private_key}\n-----END PRIVATE KEY-----"
     
     if not private_key:
-        return None, "缺少商户私钥"
+        return None, "缺少商户私钥 (未找到文件且数据库配置为空)"
 
     # 确保回调地址以斜杠结尾
     if not notify_url.endswith('/'):
diff --git a/docker-compose.yml b/docker-compose.yml
index 9b66fde..b77462f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,8 +1,8 @@
 services:
   backend:
     build: ./backend
-    # 使用 gunicorn 替代 runserver，提高稳定性
-    command: sh -c "python manage.py migrate && gunicorn --bind 0.0.0.0:8000 config.wsgi:application"
+    # 使用 gunicorn 替代 runserver，提高稳定性，并捕获标准输出
+    command: sh -c "python manage.py collectstatic --noinput && python manage.py migrate && gunicorn --bind 0.0.0.0:8000 --access-logfile - --error-logfile - config.wsgi:application"
     volumes:
       - ./backend:/app
     ports: