[Solved] Error: Error: Cannot find channel “latest.yml“ update info: HttpError: 404 Not Found

There is no latest after the electronic updater is packaged YML file

Solution:
Add the following code to the build of package.json

  "build": {
   ...
    "publish": {
      "provider": "generic",
      "url": "http://127.0.0.1:8080" ,
      "channel": "latest"
    }
  },

You can see the file after packaging

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