Error: (3, 37) java: package org.mybatis.spring.annotation does not exist

Generally, when you pull the project from Git and run it, there is no problem with the configuration, and it will prompt this when you start it.

Refactoring is also invalid at this time, most of which are the problem

solution¶

Open the settings, find the the location as the picture shows, check the blue box:

Go to start again, it will be OK to solve.