Cause: java.lang.IllegalStateException: Type handler was null on parameter mapping for property ‘__

异常信息：

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.PersistenceException: 
### Error updating database.  Cause: java.lang.IllegalStateException: Type handler was null on parameter mapping for property '__frch_id_0'. It was either not specified and/or could not be found for the javaType (com.cy.pj.sys.entity.SysMenu) : jdbcType (null) combination.
### The error may exist in file [D:\Users\DREGON\MyProject\DB-SYS-V3.01\target\classes\mappers\SysMenuRoleMapper.xml]
### The error may involve com.cy.pj.sys.dao.SysMenuRoleDao.deleteObjectsByMenuId
### The error occurred while executing an update
### Cause: java.lang.IllegalStateException: Type handler was null on parameter mapping for property '__frch_id_0'. It was either not specified and/or could not be found for the javaType (com.cy.pj.sys.entity.SysMenu) : jdbcType (null) combination.

产生问题的原因：

<delete id="deleteObjectsById" parameterType="com.cy.pj.sys.entity.SysMenu">
        delete from sys_menus
        where id in
        <foreach collection="menus"
                 item="menu"
                 open="("
                 close=")"
                 separator=",">
            #{menu}  /*这里的item是对象不是属性 应该为 #{menu.id} */
        </foreach>
    </delete>