企业会话接口，返回系统繁忙

调用企业发送消息接口，一直返回系统繁忙！也没有具体的错误原因，请问这个是怎么回事？很怕线上也一直出现这样的问题。




reqId=19fa93e51c223ef2803080c0fb577474    api=MessageService.sendToCorpConversation    url=https://oapi.dingtalk.com/message/send?access_token=3f39fa31a43b3ae3ab024c0d6260b6f8    rt=29ms    start->exe_start=1ms    exe_start->expected_quit_queue=0ms    expected_quit_queue->actual_quit_queue=0ms    actual_quit_queue->exe_end=28ms    exe_end->end=0ms    http_code=200    post_json_content={"agentid":"48667245","msgtype":"text","text":{"content":"测试消息"},"touser":"manager2761|zengzhipeng|ludan"}    response_json_content={"errcode":-1,"errmsg":"系统繁忙"}    throwable=com.dingtalk.open.client.common.ServiceException: 系统繁忙