diff --git a/1.5/1.5/Defs/ResearchDefs/DRM_ResearchProjects.xml b/1.5/1.5/Defs/ResearchDefs/DRM_ResearchProjects.xml
index cba3389..17a0b97 100644
--- a/1.5/1.5/Defs/ResearchDefs/DRM_ResearchProjects.xml
+++ b/1.5/1.5/Defs/ResearchDefs/DRM_ResearchProjects.xml
@@ -15,7 +15,7 @@
 		<label>Dragonian Melee Weapon</label>
 		<description>Dragonian Melee Weapon</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>LongBlades</li>
@@ -29,7 +29,7 @@
 		<label>Dragonian Enhanced Weapon</label>
 		<description>Dragonian Enhanced Weapon</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>2500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>DragonianMeleeWeapon</li>
@@ -43,12 +43,12 @@
 		<label>Dragonian Persona Weapon</label>
 		<description>Dragonian Persona Weapon</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>4000</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>DragonianEnhancedWeapon</li>
 		</prerequisites>
-		<researchViewX>1</researchViewX>
+		<researchViewX>2</researchViewX>
 		<researchViewY>1</researchViewY>
 	</ResearchProjectDef>
 
@@ -57,7 +57,7 @@
 		<label>Dragonian Ranged Weapon</label>
 		<description>Dragonian Ranged Weapon</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>Smithing</li>
@@ -71,7 +71,7 @@
 		<label>Dragonian FireArm Smithing</label>
 		<description>Dragonian FireArm Smithing</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>Gunsmithing</li>
@@ -85,7 +85,7 @@
 		<label>Dragonian Wand Magic</label>
 		<description>Dragonian Wand Magic</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>2500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>DragonianMeleeWeapon</li>
@@ -113,7 +113,7 @@
 		<label>Dragonian Armor clothing</label>
 		<description>Dragonian Armor clothing</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>1000</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>DragonianClothing</li>
@@ -128,7 +128,7 @@
 		<label>Dragonian Shield Module</label>
 		<description>Dragonian Shield Module</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>1000</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>DragonianBionics</li>
@@ -143,7 +143,7 @@
 		<label>Dragonian Bionics</label>
 		<description>Dragonian Bionics</description>
 		<tab>DragonianTech</tab>
-		<baseCost>100</baseCost>
+		<baseCost>500</baseCost>
 		<techLevel>Medieval</techLevel>
 		<prerequisites>
 			<li>Bionics</li>
diff --git a/1.5/1.5/Defs/Scenario/DRM_Scenarios.xml b/1.5/1.5/Defs/Scenario/DRM_Scenarios.xml
index 217dddf..5757499 100644
--- a/1.5/1.5/Defs/Scenario/DRM_Scenarios.xml
+++ b/1.5/1.5/Defs/Scenario/DRM_Scenarios.xml
@@ -50,6 +50,18 @@
 					<thingDef>WoodLog</thingDef>
 					<count>400</count>
 				</li>
+				<li Class="ScenPart_StartingResearch">
+					<def>StartingResearch</def>
+					<project>DragonianMeleeWeapon</project>
+				</li>
+				<li Class="ScenPart_StartingResearch">
+					<def>StartingResearch</def>
+					<project>DragonianRangedWeapon</project>
+				</li>
+				<li Class="ScenPart_StartingResearch">
+					<def>StartingResearch</def>
+					<project>DragonianClothing</project>
+				</li>
 			</parts>
 		</scenario>
 	</ScenarioDef>
diff --git a/1.5/1.5/Defs/ThingDefs/DRM_Weapon_Gun.xml b/1.5/1.5/Defs/ThingDefs/DRM_Weapon_Gun.xml
index 7e9a0d7..a8ba5d5 100644
--- a/1.5/1.5/Defs/ThingDefs/DRM_Weapon_Gun.xml
+++ b/1.5/1.5/Defs/ThingDefs/DRM_Weapon_Gun.xml
@@ -10,9 +10,12 @@
 		<graphicClass>Graphic_Single</graphicClass>
 	</graphicData>
     <soundInteract>Interact_Rifle</soundInteract>
-    <weaponClasses>
-      <li>LongShots</li>
-    </weaponClasses>
+		<weaponTags>
+			<li>DR_Guns</li>
+		</weaponTags>
+		<weaponClasses>
+			<li>Ranged</li>
+		</weaponClasses>
     <statBases>
       <WorkToMake>12000</WorkToMake>
       <Mass>3.5</Mass>
@@ -91,4 +94,97 @@
 	
   </ThingDef>
 
+    <ThingDef ParentName="BaseBullet">
+    <defName>DRM_Bullet_Revolver</defName>
+    <label>revolver bullet</label>
+    <graphicData>
+      <texPath>Things/Projectile/Bullet_Small</texPath>
+      <graphicClass>Graphic_Single</graphicClass>
+    </graphicData>
+    <projectile>
+      <damageDef>Bullet</damageDef>
+      <damageAmountBase>5</damageAmountBase>
+      <stoppingPower>1</stoppingPower>
+      <speed>55</speed>
+    </projectile>
+    			<modExtensions>
+			<li Class="DragonianMix.ShotgunExtension">
+				<pelletCount>3</pelletCount>
+			</li>
+		</modExtensions>
+  </ThingDef>
+  <ThingDef ParentName="BaseHumanMakeableGun">
+    <defName>DRM_Revolver</defName>
+    <label>dragonian revolver</label>
+    <description>An ancient pattern double-action revolver. It's not very powerful, but has a decent range for a pistol and is quick on the draw.</description>
+    <possessionCount>1</possessionCount>
+	<graphicData>
+		<texPath>Dragonian/Things/Weapon/DRM_Revolver</texPath>
+		<graphicClass>Graphic_Single</graphicClass>
+	</graphicData>
+    <uiIconScale>1.4</uiIconScale>
+    <soundInteract>Interact_Revolver</soundInteract>
+    <statBases>
+      <WorkToMake>4000</WorkToMake>
+      <Mass>1.4</Mass>
+      <AccuracyTouch>0.80</AccuracyTouch>
+      <AccuracyShort>0.75</AccuracyShort>
+      <AccuracyMedium>0.45</AccuracyMedium>
+      <AccuracyLong>0.35</AccuracyLong>
+      <RangedWeapon_Cooldown>0.3</RangedWeapon_Cooldown>
+    </statBases>
+		<weaponTags>
+			<li>DR_Guns</li>
+		</weaponTags>
+		<weaponClasses>
+			<li>RangedLight</li>
+		</weaponClasses>
+    <costList>
+      <Steel>30</Steel>
+      <ComponentIndustrial>2</ComponentIndustrial>
+    </costList>
+    <recipeMaker>
+      <skillRequirements>
+        <Crafting>3</Crafting>
+      </skillRequirements>
+      <displayPriority>400</displayPriority>
+            <researchPrerequisites>
+				<li>DragonianFireArmSmithing</li>
+			</researchPrerequisites>
+    </recipeMaker>
+    			<verbs>
+			<li>
+				<verbClass>DragonianMix.Verb_ShootShotgun</verbClass>
+				<hasStandardCommand>true</hasStandardCommand>
+				<defaultProjectile>DRM_Bullet_Revolver</defaultProjectile>
+        <warmupTime>1.6</warmupTime>
+        <range>25.9</range>
+				<burstShotCount>1</burstShotCount>
+				<ticksBetweenBurstShots>16</ticksBetweenBurstShots>
+				<soundCast>Shot_Revolver</soundCast>
+				<soundCastTail>GunTail_Light</soundCastTail>
+				<muzzleFlashScale>9</muzzleFlashScale>
+			</li>
+		</verbs>
+    <tools>
+      <li>
+        <label>grip</label>
+        <capacities>
+          <li>Blunt</li>
+        </capacities>
+        <power>9</power>
+        <cooldownTime>2</cooldownTime>
+      </li>
+      <li>
+        <label>barrel</label>
+        <capacities>
+          <li>Blunt</li>
+          <li>Poke</li>
+        </capacities>
+        <power>9</power>
+        <cooldownTime>2</cooldownTime>
+      </li>
+    </tools>
+  </ThingDef>
+
 </Defs>
\ No newline at end of file
diff --git a/1.5/1.5/Languages/ChineseSimplified (简体中文)/Definjected/ThingDef/ThingDefs_DRM_Weapon.xml b/1.5/1.5/Languages/ChineseSimplified (简体中文)/Definjected/ThingDef/ThingDefs_DRM_Weapon.xml
index cadccad..9bf89bb 100644
--- a/1.5/1.5/Languages/ChineseSimplified (简体中文)/Definjected/ThingDef/ThingDefs_DRM_Weapon.xml	
+++ b/1.5/1.5/Languages/ChineseSimplified (简体中文)/Definjected/ThingDef/ThingDefs_DRM_Weapon.xml	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <LanguageData>
-  
+
   <DR_BattleHammer.label>龙娘 战锤</DR_BattleHammer.label>
   <DR_BattleHammer.description>一柄内置了EMP发生器的战锤。当击中时会释放电击瘫痪机械装置。</DR_BattleHammer.description>
   <!-- EN: handle -->
@@ -34,6 +34,9 @@
   <DRM_RifledFlintlock.label>龙娘 线膛燧发枪</DRM_RifledFlintlock.label>
   <DRM_RifledFlintlock.description>龙娘使用的枪械。具有古典的设计和性能。</DRM_RifledFlintlock.description>
 
+  <DRM_Revolver.label>龙娘 手枪</DRM_Revolver.label>
+  <DRM_Revolver.description>龙娘使用的枪械。具有古典的设计和性能。</DRM_Revolver.description>
+
   <DR_BattleSpear.label>龙娘 飞矛</DR_BattleSpear.label>
   <DR_BattleSpear.description>龙娘使用的飞矛。她们能把这种沉重的近战武器轻松投送到极远处。</DR_BattleSpear.description>
   <DR_BattleSpear.tools.shaft.label>杆</DR_BattleSpear.tools.shaft.label>
@@ -66,5 +69,5 @@
 
   <DRM_ChainSpear_Thrown.label>短飞矛</DRM_ChainSpear_Thrown.label>
   <DRM_ChainSpear_Ex.label>爆碎飞矛</DRM_ChainSpear_Ex.label>
-  
+
 </LanguageData>
\ No newline at end of file
diff --git a/Content/Textures/Dragonian/Things/Weapon/DRM_Revolver.png b/Content/Textures/Dragonian/Things/Weapon/DRM_Revolver.png
new file mode 100644
index 0000000..185f61d
Binary files /dev/null and b/Content/Textures/Dragonian/Things/Weapon/DRM_Revolver.png differ