API: mediaCheckAsync

version:v2

trace-id: 646f64f8-1de8ef3f-2f71b0e9

上传检测的图片是色情图片，但是回调响应返回了

[{"MsgType":"event","Event":"wxa_media_check","trace_id":"646f64f8-1de8ef3f-2f71b0e9","version":2,"errcode":0,"errmsg":"ok","detail":[{"strategy":"content_model","errcode":0,"suggest":"pass","label":100,"prob":90}],"result":{"suggest":"pass","label":100}}]

请问这是什么原因？