SQL语句模糊匹配参数乱码

SQLserver中select * from usecasef where UseCaseID like '%'+#{param1}+'%'的参数乱码
控制台打印出的结果：select * from usecasef where UseCaseID like '%'+？+'%'

select * from usecasef where UseCaseID like '%" + keyword + "%'"
keyword为你所匹配的内容

你连接数据库的时候编码格式了吗