How to set the running port in a non-http application?

There is an open-source project:

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in the application I do not find the httpport config, when I build and run it, there use the 8080. I want to change it. but how?

Use the search! :smiley: https://github.com/kongyuebin1/dongfeng-pay/search?q=8080&unscoped_q=8080