你好，在微信中调用网页sdk，分享给个人有封面，分享到群里就是纯链接，请帮忙排查哪个地方违规了

appid : wx8a61ef75c858990e

问题链接参照这三个：

https://d.eqxiu.com/s/l8i3tANv?eqrcode=1&share_level=1&from_user=202001084ea01165&from_id=f96966b7-9&share_time=1578467941062

 https://b.eqxiu.com/s/4Z7izsDS?eqrcode=1&share_level=2&from_user=202001084ea01165&from_id=4179360c-d&share_time=1578468106105

 https://a.eqxiu.com/s/9WOiH3Ws?eqrcode=1&share_level=1&from_user=201909298252bba3&from_id=85a97d9d-5&share_time=1578468207597