NodeRed v3.1.0

Hi, I am new to NodeRed and iHost, I just upgraded NodeRed to the latest version (3.1.0) and now NodeRed keeps losing its connection to the server, has the upgrade broken it (In which case can I roll back somehow) or have I broken it in some other way

NodeRed:/data
Environment variables
PATH=/usr/src/node-red/node_modules/.bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
NODE_VERSION=16.20.2
YARN_VERSION=1.22.19
NODE_RED_VERSION=v3.1.0
NODE_PATH=/usr/src/node-red/node_modules:/data/node_modules
FLOWS=flows.json

hi
did you upgrade the ewelink-cube platte to the latest version?
can you send a screenshot?