企业微信机器人通知失败

在线监控的证书太多，导致发送微信失败，如何避免呀
{"errcode":40058,"errmsg":"markdown.content exceed max length 4096. invalid Request Parameter, hint: [1732064547142832100935838], from ip: 223.202.212.131, more info at https://open.work.weixin.qq.com/devtool/query?e=40058"}