File -> Settins ->Pligins -> Browse repositories... -> Input MyBatis Search for -> download free-idea-mybatis
But it's possible idea Unable to access its plug-in market .
title ： Use intellij idea Directly and quickly from mapper Interface jumps to mapper.xml
author ： jockming112
Address ： http://www.itwetouch.com/articles/2021/09/06/1630913782539.html