我的错误如上，告诉我找不到mapper文件，创建bean失败
通过各种排查得知，不管是mapperscan 还是mapper 以及配置文件的xml路径都没错
进一步排查，我们的xml是扫描到了，但mapper文件始终说是找不到，我最终发现是我的application文件没有加后缀，idea依然给我变化了颜色
总结得知，不管是mapper.xml还是application.yml，都记得要加上后缀
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