diff --git a/1.6/1.6/Defs/Thing_Misc/ARA_Flyover_Item.xml b/1.6/1.6/Defs/Thing_Misc/ARA_Flyover_Item.xml
index df2aba2..a24e639 100644
--- a/1.6/1.6/Defs/Thing_Misc/ARA_Flyover_Item.xml
+++ b/1.6/1.6/Defs/Thing_Misc/ARA_Flyover_Item.xml
@@ -521,7 +521,7 @@
         <range>50</range>
       </li>
       <li Class="ArachnaeSwarm.CompProperties_SectorSurveillance">
-        <projectileDef>Bullet_RW_Missile_AR_Gun</projectileDef>
+        <projectileDef>Proj_ARA_HiveCorvette</projectileDef>
         <sectorAngle>30</sectorAngle>      <!-- 扇形角度 -->
         <sectorRange>50</sectorRange>      <!-- 射程 -->
         <shotCount>3</shotCount>           <!-- 发射次数 -->
@@ -571,7 +571,7 @@
     <altitudeLayer>MetaOverlays</altitudeLayer>
     <comps>
       <li Class="ArachnaeSwarm.CompProperties_GroundStrafing">
-        <projectileDef>Proj_ARA_HiveCorvette</projectileDef>
+        <projectileDef>Bullet_ARA_RW_Acid_Mortar</projectileDef>
         <range>15</range>
       </li>
       <li Class="ArachnaeSwarm.CompProperties_SectorSurveillance">