https://developers.weixin.qq.com/community/develop/doc/0008c883e8c0809b865b93ca651800?highLine=%25E5%25B0%258F%25E7%25A8%258B%25E5%25BA%258F%25E9%2587%258C%25E6%259C%2589%25E6%25B8%25B8%25E6%2588%258F%25E7%25AE%2597%25E4%25BB%2580%25E4%25B9%2588
看看这个吧有官方解答
