<set name="feesDAO" cascade="save-update,delete" order-by="fees_id asc" lazy="true">
      <key column="pjid" />
      <one-to-mamy class="hibernate.entity.FeesDAO" />
  </set>错误提示:The content of element type "set" must match "(meta*,subselect?,cache?,synchronize*,comment?,key,(element|one-to-many|many-to-many|composite-element|many-to-
 any),loader?,sql-insert?,sql-update?,sql-delete?,sql-delete-all?,filter*)".
要怎么修改呢?小弟急用