diff --git a/src/main/java/neatlogic/framework/inspect/dao/mapper/InspectMapper.xml b/src/main/java/neatlogic/framework/inspect/dao/mapper/InspectMapper.xml
index a6a4d54a6356be151dceaebebf751a7c290ab1a2..3c5278a56ba2e28d2172630e81edb3ddc7be67ed 100644
--- a/src/main/java/neatlogic/framework/inspect/dao/mapper/InspectMapper.xml
+++ b/src/main/java/neatlogic/framework/inspect/dao/mapper/InspectMapper.xml
@@ -52,7 +52,7 @@
         <result column="maintenance_window" property="maintenanceWindow"/>
         <result column="description" property="description"/>
         <result column="network_area" property="networkArea"/>
-        <result column="port" property="port"/>
+        <result column="port" property="port" typeHandler="neatlogic.framework.dao.plugin.EmptyStringToNullIntegerTypeHandler"/>
         <result column="ip" property="ip"/>
         <result column="state_id" property="stateId"/>
         <result column="state_name" property="stateName"/>