diff --git a/src/main/java/neatlogic/module/inspect/dao/mapper/InspectConfigFileMapper.xml b/src/main/java/neatlogic/module/inspect/dao/mapper/InspectConfigFileMapper.xml
index 81c0592c4422d2fa34a9d3871950751af19627e1..a0d44177f3d98946ee1719ee0bc75bde9092ab2a 100644
--- a/src/main/java/neatlogic/module/inspect/dao/mapper/InspectConfigFileMapper.xml
+++ b/src/main/java/neatlogic/module/inspect/dao/mapper/InspectConfigFileMapper.xml
@@ -16,7 +16,7 @@
         <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"/>