feat：oss下载BucketName传参

lib/core/common/constants.dart

@@ -2,5 +2,4 @@ class Constants {
   static const spCurrentDay = "current_day";
   static const dateFormat = "yyyy-MM-dd";
   static const ossEndpoint = 'oss-cn-beijing.aliyuncs.com';
-  static const ossBucketName = 'clx-prod';
 }

lib/core/services/download_service/impl/oss_download_impl.dart

@@ -84,7 +84,7 @@ class OSSDownloadImpl implements DownloadService {
           token,
           objectKey,
           Constants.ossEndpoint,
-          Constants.ossBucketName,
+          getOssBucketName(),
           path,
           localPathFileName);
     } catch (e) {