config = Rails.application.config_for(:aliyun_vod)
AliyunVod.access_key_id     = config['access_key_id']
AliyunVod.access_key_secret = config['access_key_secret']
AliyunVod.base_url          = config['base_url'] || 'http://vod.cn-shanghai.aliyuncs.com'.freeze
AliyunVod.cate_id           = config['cate_id']
AliyunVod.callback_url      = config['callback_url']
AliyunVod.signature_key     = config['signature_key']