Upgrade steps:
1. Enter the same level directory of the npool client.[ps: If there is no custom installation directory, usually in /root/linux-amd64 or /home/ubuntu/linux-arm64, can also be queried by ps -ef | grep npool]
2. Copy the command below and execute to complete the upgrade.
sudo wget -c https://download.npool.io/upgrade_auto.sh -O upgrade_auto.sh && sudo chmod +x upgrade_auto.sh && sudo ./upgrade_auto.sh
