执行在线扩容命令无法连接主机下载
Error: fetch /timestamp.json from mirror(https://tiup-mirrors.pingcap.com) failed: download from https://tiup-mirrors.pingcap.com/timestamp.json failed: Get “https://tiup-mirrors.pingcap.com/timestamp.json”: read tcp 192.168.255.131:45178->117.187.39.41:443: read: connection reset by peer