修复生成华为云下载链接问题

Controller/SerialNumberController.py

@@ -1155,12 +1155,11 @@ class SerialNumberView(View):
                 secret_access_key=HUAWEICLOUD_SK,
                 server=HUAWEICLOUD_OBS_SERVER
             )
-            expires = 3600  # 链接有效期1小时
             download_url = obs_client.createSignedUrl(
-                'GET',
-                HUAWEICLOUD_BAIDU_BIG_MODEL_LICENSE_BUKET,
-                license_name,
-                expires
+                method='GET',
+                bucketName=HUAWEICLOUD_BAIDU_BIG_MODEL_LICENSE_BUKET,
+                objectKey=license_name,
+                expires=3600  # 有效期1小时
             )
             
             res = {