一直这样子是怎么回事？

Whitelabel Error Page

This application has no explicit mapping for /error, so you are seeing this as a fallback.

Mon Jan 07 12:56:11 CST 2019

There was an unexpected error (type=Internal Server Error, status=500).

Invalid bound statement (not found): com.miaoshaproject.dao.UserDOMapper.selectByPrimaryKey