Thank you for your response.
I did this step by step.
Deleted
record.json res.jsonAfter pushing the code, the problem remains the same., error 403
So I Reburn the Core2.
After pushing the code, the problem block on Sync screen, error 403
I think there is a problem accessing the file bucket on Alibaba.
Or else the load transmitted by mqtt to the device is not what is expected for res and record json.
Similar of:
https://community.m5stack.com/topic/7652/uiflow-2-0-sync-error