测试添加文件接口报错，响应信息：
"timestamp": "2022-04-21T12:55:12.790+00:00", "status": 500, "error": "Internal Server Error", "message": "nested exception is org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method 'public java.lang.String tk.mybatis.mapper.mapperhelper.MapperTemplate.dynamicSQL(java.lang.Object)' with specify parameter 'class com.genlz.projectg.entity.FileEntity'. Cause: java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.base.BaseInsertProvider.()", "path": "/file/saveOrUpdateFile"
解决方法：
将@MapperScan导入的对应包改为 tk.mybatis.spring.annotation.MapperScan
