您提供的授權機制不受支持。請使用AWS4-HMAC-SHA 256我有個錯誤AWS::S3::Errors::InvalidRequest The authorization mechanism you have provided is not supported. Please use AWS4-HMAC-SHA256.當我嘗試上傳文件到新的法蘭克福地區的S3桶。都能正常工作US Standard區域。劇本：backup_file = '/media/db-backup_for_dev/2014-10-23_02-00-07/slave_dump.sql.gz's3 = AWS::S3.new(     access_key_id:     AMAZONS3['access_key_id'],     secret_access_key: AMAZONS3['secret_access_key'])s3_bucket = s3.buckets['test-frankfurt']     # Folder and file names3_name = "database-backups-last20days/#{File.basename(File.dirname(backup_file))}_     #{File.basename(backup_file)}"file_obj = s3_bucket.objects[s3_name]file_obj.write(file: backup_file)AWS-SDK(1.56.0)怎么修？謝謝。