Screenshot of error reporting

Checked the corresponding namespace

Corresponding target directory

Next, the path of the configuration file is checked

When it is found that none of the four conventional methods can solve the problem, consider whether it is the
POM file screenshot caused by jar package conflict

Sure enough, I use mybatis plus, but I use the startup jar package of mybatis. Replace it with mybatis plus boot starter, and comment out all related mybatis. The problem is solved.