- 功能名
_yyyyMMddHHmmss - 例：
Android_20190325143841.png
https://raw.githubusercontent.com/aiybybz/ImageBad/master/xxx- 例：https://raw.githubusercontent.com/aiybybz/ImageBad/master/Android_20190325143841.png
_ yyyyMMddHHmmssAndroid_20190325143841.pnghttps://raw.githubusercontent.com/aiybybz/ImageBad/master/ xxx