遇到个跟楼上差不多的问题，不过我是要移动setu这个文件夹进com.ycitus.setu里，每次重启mirai都会生成setu这个文件夹。
目前我的解决方法是手动删了setu文件夹，不然mirai会自动关闭（纯小白），同时setu文件夹里会生成一个文件，但是这个文件内容跟com.ycitus.setu里的内容不一样，不知道为什么。
下面这个是删除setu文件夹后，启动mirai会再次生成的文件内容。
{"version":"3.6.4","Debug":{"enable":false},"Admin":{"InvitationManager":{"QQFriendInvitation":{"autoAcceptAddQQFriend":false},"QQGroupInvitation":{"autoAcceptAddQQGroup":false}},"botAdministrators":[2799282971]},"Systems":{"SendSystem":{"SendDelay":{"SendToFriends":{"enable":false,"delayTimeMS":0},"SendToGroups":{"enable":true,"delayTimeMS":1000}},"sendMsgMaxLength":4500},"Commands":{"groupListCommands":["gl","GL","grouplist","GroupList","群列表"],"superCommands":["super","权限"],"sendtoOtherGroupCommands":["stg","STG","sendtogroup","SendToGroup"]}},"RandomImages":{"relayEnable":false,"recallEnable":false,"recallDelay":5000,"enableAll":true,"setuAll":false,"r18All":false,"defaultSetuQuality":2,"defaultImage":2,"setuCommands":["gkd","来张图"],"enableGroup":[],"groupSetu":[],"groupR18":[]}}