参考资料：Cannot resolve the collation conflict between "Chinese_PRC_CI_AS" and "SQL_L及由于排序规则不同导致查询结果为空的问题

SELECT * FROM dbo.ESysUser eu WHERE et.TypeCode LIKE '%'+ eu.UserType +'%'  COLLATE database_default

注意：COLLATE database_default

如果不加这个，就会报错