diff --git a/1.5/1.5/Defs/ThingDefs/DRM_Apparel.xml b/1.5/1.5/Defs/ThingDefs/DRM_Apparel.xml
index 5f020ec..5c97614 100644
--- a/1.5/1.5/Defs/ThingDefs/DRM_Apparel.xml
+++ b/1.5/1.5/Defs/ThingDefs/DRM_Apparel.xml
@@ -12,6 +12,7 @@
         <li>HandTailoringBench</li>
       </recipeUsers>
       <unfinishedThingDef>UnfinishedApparel</unfinishedThingDef>
+      <researchPrerequisite>PlateArmor</researchPrerequisite>
     </recipeMaker>
     <graphicData>
       <texPath>Dragonian/Apparel/Gear/drapparelF</texPath>
@@ -21,6 +22,7 @@
     <tradeTags>
       <li>Armor</li>
     </tradeTags>
+    <techLevel>Medieval</techLevel>
     <statBases>
       <WorkToMake>15000</WorkToMake>
       <MaxHitPoints>480</MaxHitPoints>
@@ -76,6 +78,7 @@
         <li>HandTailoringBench</li>
       </recipeUsers>
       <unfinishedThingDef>UnfinishedApparel</unfinishedThingDef>
+      <researchPrerequisite>PlateArmor</researchPrerequisite>
     </recipeMaker>
     <graphicData>
       <texPath>Dragonian/Apparel/Gear/drahgA</texPath>
@@ -85,6 +88,7 @@
     <tradeTags>
       <li>Armor</li>
     </tradeTags>
+    <techLevel>Medieval</techLevel>
     <statBases>
       <WorkToMake>8750</WorkToMake>
       <MaxHitPoints>220</MaxHitPoints>
diff --git a/1.5/1.5/Patches/DRM_Apparel_Patch.xml b/1.5/1.5/Patches/DRM_Apparel_Patch.xml
index 1c09cb3..0f713c9 100644
--- a/1.5/1.5/Patches/DRM_Apparel_Patch.xml
+++ b/1.5/1.5/Patches/DRM_Apparel_Patch.xml
@@ -83,4 +83,18 @@
 		</operations>
 	</Operation>
 
+	<!--龙娘服装限制添加-->
+	<Operation Class="PatchOperationSequence">
+		<operations>
+			<li Class="PatchOperationAdd">
+				<xpath>Defs/AlienRace.ThingDef_AlienRace[defName="Dragonian_Race"]/alienRace/raceRestriction/apparelList</xpath>
+				<value>
+					<li>DRM_BattleDressC</li>
+					<li>DRM_BattleHelmC</li>
+					<li>DRM_BattleHelmD</li>
+				</value>
+			</li>
+		</operations>
+	</Operation>
+
 </Patch>
\ No newline at end of file