Error: timeout of 5000ms exceeded error is always reported during post request

The error: timeout of 5000ms exceeded error is always reported in the post request, but there is no problem with the get request. The front-end uses the Vue element admin framework.

terms of settlement:

//Use before for mock data and after for back-end interface. Otherwise, it will request a failure message with a timeout of 5000ms or delete it directly

 

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