def call(Map args = [:]) {
  String remoteHost = args.remoteHost ?: env.REMOTE_HOST
  String remotePort = args.remotePort ?: env.REMOTE_PORT
  String remotePath = args.remotePath ?: env.REMOTE_PATH
  String jarName    = args.jarName    ?: env.JAR_NAME
  String profile    = args.profile    ?: env.profile
  String jvmArgs    = args.jvmArgs    ?: env.JVM_ARGS ?: ''
  String backupTime = args.backupTime ?: params.BACKUP_TIME

  // 1. 找到要回滚到的备份包
  String findCmd = """ssh -o StrictHostKeyChecking=no ${remoteHost} \
      "cd ${remotePath} && ls ${jarName}-${backupTime ?: '*'} | tail -1" """
  String backupJar = sh(script: findCmd, returnStdout: true).trim()
  if (!backupJar) error("未找到备份包，回滚终止")

  // 2. 停当前服务
  sh "ssh -o StrictHostKeyChecking=no ${remoteHost} 'lsof -ti:${remotePort} | xargs -r kill -9 || true'"

  // 3. 还原包
  sh "ssh -o StrictHostKeyChecking=no ${remoteHost} 'cd ${remotePath} && cp -f ${backupJar} ${jarName}'"

  // 4. 重启
  sh """ssh -o StrictHostKeyChecking=no ${remoteHost} \
      "sh -c 'cd ${remotePath} && nohup java ${jvmArgs} -jar ${jarName} --spring.profiles.active=${profile} > server.log 2>&1 &'" """

  PrintMes("回滚完成：${backupJar} 已部署到 ${remoteHost}:${remotePort}", 'green')
}