diff --git a/src/main/java/neatlogic/module/cmdb/dao/mapper/resourcecenter/ResourceMapper.xml b/src/main/java/neatlogic/module/cmdb/dao/mapper/resourcecenter/ResourceMapper.xml
index a95a6983e95e1482c30482446c58b778c4e331aa..7947f1a2cdf78ddfce11222f4486bebd7768df58 100644
--- a/src/main/java/neatlogic/module/cmdb/dao/mapper/resourcecenter/ResourceMapper.xml
+++ b/src/main/java/neatlogic/module/cmdb/dao/mapper/resourcecenter/ResourceMapper.xml
@@ -553,7 +553,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.-->
         <result column="inspect_time" property="inspectTime"/>
         <result column="monitor_status" property="monitorStatus"/>
         <result column="monitor_time" property="monitorTime"/>
-        <result column="port" property="port"/>
+        <result column="port" property="port" typeHandler="neatlogic.framework.dao.plugin.EmptyStringToNullIntegerTypeHandler"/>
         <result column="state_id" property="stateId"/>
         <result column="state_name" property="stateName"/>
         <result column="state_label" property="stateLabel"/>