def push_get_msg_status(push_ids, params = {})
      params.merge!({
        push_ids: push_ids.to_json
        })
      self.send_request('push','get_msg_status',params)
    end
def push_get_msg_status(push_ids, params = {})
      params.merge!({
        push_ids: push_ids.to_json
        })
      self.send_request('push','get_msg_status',params)
    end
查询群发消息发送状态