hibernate 一对多的关系 新增数据时多的一边没插进去值？？？
这是hibernate xml配置文件
OutSideBean.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
  <class name="com.tianxin.cimp.outside.model.OutSideBean" table="user_out_side" >
  <id name="outsideid" type="java.lang.Integer">
  <column name="out_side_id" />
  <generator class="native" />
  </id>
  <property name="createdate" type="java.util.Date">
  <column name="create_date" length="25" not-null="true" />
  </property>
  <property name="outcontent" type="java.lang.String">
  <column name="out_content" length="255" not-null="true" />
  </property>
  <property name="outadress" type="java.lang.String">
  <column name="out_adress" length="100" not-null="true" />
  </property>
  <property name="outdate" type="java.lang.String">
  <column name="out_date" length="25" not-null="true" />
  </property>
  <property name="backdate" type="java.lang.String">
  <column name="back_date" length="25" not-null="false" />
  </property>
  <property name="beizhu" type="java.lang.String">
  <column name="beizhu" length="100" not-null="false" />
  </property>
  <many-to-one name="muserBean" lazy="false" not-null="true"
  column="user_Id"
  class="com.tianxin.cimp.colligate.model.MuserBean" outer-join="auto"/>
 
  <set name="checkStateBeans" inverse="true" lazy="false" >
<key column="out_side_id"/>
<one-to-many class="com.tianxin.cimp.outside.model.CheckStateBean"/>
</set>
  </class>
</hibernate-mapping>

============================================
CheckStateBean.hbm.xml
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
  <class name="com.tianxin.cimp.outside.model.CheckStateBean" table="check_state" >
  <id name="id" type="java.lang.Integer">
  <column name="id" />
  <generator class="native" />
  </id>
  <property name="stateid" type="java.lang.String">
  <column name="state_id" length="30" not-null="false" />
  </property>
  <property name="statename" type="java.lang.String">
  <column name="