diff --git a/handler/ad_image_upload.py b/handler/ad_image_upload.py
index dd4959b..8e88dfc 100644
--- a/handler/ad_image_upload.py
+++ b/handler/ad_image_upload.py
@@ -15,8 +15,8 @@ logging.basicConfig(level=logging.INFO, stream=sys.stdout)
 
 class Cos_sdk(Resource):
 	def __init__(self):
-		secret_id = os.environ.get('QCLOUD_SecretId')
-		secret_key = os.environ.get('QCLOUD_SecretKey')
+		secret_id = os.environ.get('cos_id')
+		secret_key = os.environ.get('cos_key')
 		region = 'ap-beijing'  # 替换为用户的 Region
 		token = None  # 使用临时密钥需要传入 Token，默认为空，可不填
 		scheme = 'https'  # 指定使用 http/https 协议来访问 COS，默认为 https，可不填