diff --git a/1.3/Defs/ThingDef/ThingDef_Item.xml b/1.3/Defs/ThingDef/ThingDef_Item.xml
index 10d0018..c64744f 100644
--- a/1.3/Defs/ThingDef/ThingDef_Item.xml
+++ b/1.3/Defs/ThingDef/ThingDef_Item.xml
@@ -151,6 +151,7 @@
     <thingCategories Inherit="false">
       <li>PN_BrainCoreCatagory</li>
     </thingCategories>
+    <resourceReadoutPriority>Middle</resourceReadoutPriority>
     <statBases>
       <Mass>1</Mass>
       <WorkToMake>13000</WorkToMake>
diff --git a/1.3/Defs/ThingDef/ThingDef_Security.xml b/1.3/Defs/ThingDef/ThingDef_Security.xml
index f691e2f..36108bf 100644
--- a/1.3/Defs/ThingDef/ThingDef_Security.xml
+++ b/1.3/Defs/ThingDef/ThingDef_Security.xml
@@ -1,7 +1,10 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <Defs>
   <!--==================================== 오토캐논 ====================================-->
-  <ThingDef Name="PN_BaseArtilleryBuilding" ParentName="BuildingBase" Abstract="True">
+  <ThingDef ParentName="BuildingBase">
+    <defName>PN_Artillery_Base_Core</defName>
+    <label>PnL Artillery cannon</label>
+    <description>Howitzer designed by PnL Industries. Using an automaton brain core, it has very good accuracy. However, it is necessary to periodically change the brain core due to excessive load in calculations.</description>
     <!--<designatorDropdown>PN_Artillery_Dropdown</designatorDropdown>-->
     <thingClass>Building_TurretGun</thingClass>
     <drawerType>MapMeshAndRealTime</drawerType>
@@ -36,6 +39,7 @@
     <costList>
       <Steel>150</Steel>
       <ComponentIndustrial>6</ComponentIndustrial>
+      <PN_BrainCasing>1</PN_BrainCasing>
     </costList>
     <inspectorTabs>
       <li>ITab_Shells</li>
@@ -155,13 +159,4 @@
       </defaultStorageSettings>
     </building>
   </ThingDef>
-
-  <ThingDef ParentName="PN_BaseArtilleryBuilding">
-    <defName>PN_Artillery_Base_Core</defName>
-    <label>PnL Artillery cannon</label>
-    <description>Howitzer designed by PnL Industries. Using an automaton brain core, it has very good accuracy. However, it is necessary to periodically change the brain core due to excessive load in calculations.</description>
-    <costList>
-      <PN_BrainCasing>1</PN_BrainCasing>
-    </costList>
-  </ThingDef>
 </Defs>
\ No newline at end of file