Can you help me, why server always 502 bad gateway nginx everyday?

can you help me, why server always 502 bad gateway nginx everyday? how should i do? i use local test.

Welcome to the community, @nim! Apologies for the delayed response. This sometimes happens when there is a glitch in the server. Feel free to reach us when you experience. We would be happy to have a look at it. But at the moment, please also be infomred that the issue has already been resolved!