diff --git a/1.6/1.6/Defs/QuestScriptDefs/WULA_Hostile_PIA_Attack_Quest.xml b/1.6/1.6/Defs/QuestScriptDefs/WULA_Hostile_PIA_Attack_Quest.xml
index cfba92c0..f76e2597 100644
--- a/1.6/1.6/Defs/QuestScriptDefs/WULA_Hostile_PIA_Attack_Quest.xml
+++ b/1.6/1.6/Defs/QuestScriptDefs/WULA_Hostile_PIA_Attack_Quest.xml
@@ -39,6 +39,9 @@
       <nodes>
         <!-- 获取地图 -->
         <li Class="QuestNode_GetMap" />
+        <li Class="QuestNode_SendSignals">
+          <outSignals>wulaAttackComing</outSignals>
+        </li>
 
         <!-- 随机 -->
         <li Class="QuestNode_RandomNode">
@@ -66,6 +69,7 @@
                   <text>乌拉帝国 行星封锁机关对殖民地发起了报复打击，她们往殖民地空投了整装的要塞！</text>
                 </li>
                 <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                  <inSignal>wulaAttackComing</inSignal>
                   <thingDef>WULA_Bunker_Drop_Zone_Beacon_Cleanzone</thingDef>
                   <faction>Wula_PIA_Legion_Faction</faction>
                   <spawnCount>1</spawnCount>
@@ -79,6 +83,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Bunker_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -95,6 +100,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Turret_Group_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>2</spawnCount>
@@ -108,10 +114,11 @@
                   <value1>$points</value1>
                   <value2>5999</value2>
 
-                  <!-- Lodgers arrive by shuttle -->        
+                  <!-- Lodgers arrive by shuttle -->
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -125,6 +132,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Turret_Group_Drop_Zone_Beacon_Cleanzone</thingDef>
                               <faction>Wula_PIA_Legion_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -141,10 +149,11 @@
                   <value1>$points</value1>
                   <value2>7999</value2>
 
-                  <!-- Lodgers arrive by shuttle -->        
+                  <!-- Lodgers arrive by shuttle -->
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -158,6 +167,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Turret_Group_Drop_Zone_Beacon_Cleanzone</thingDef>
                               <faction>Wula_PIA_Legion_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -174,10 +184,11 @@
                   <value1>$points</value1>
                   <value2>9999</value2>
 
-                  <!-- Lodgers arrive by shuttle -->        
+                  <!-- Lodgers arrive by shuttle -->
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Huge_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -191,6 +202,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                               <faction>Wula_PIA_Legion_Faction</faction>
                               <spawnCount>2</spawnCount>
@@ -207,10 +219,11 @@
                   <value1>$points</value1>
                   <value2>12999</value2>
 
-                  <!-- Lodgers arrive by shuttle -->        
+                  <!-- Lodgers arrive by shuttle -->
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Bunker_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -218,6 +231,7 @@
                         <sendMessageOnFailure>false</sendMessageOnFailure>
                       </li>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -231,6 +245,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Turret_Group_Drop_Zone_Beacon_Cleanzone</thingDef>
                               <faction>Wula_PIA_Legion_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -247,10 +262,11 @@
                   <value1>$points</value1>
                   <value2>15999</value2>
 
-                  <!-- Lodgers arrive by shuttle -->        
+                  <!-- Lodgers arrive by shuttle -->
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Bunker_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -258,6 +274,7 @@
                         <sendMessageOnFailure>false</sendMessageOnFailure>
                       </li>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Fortress_Drop_Zone_Beacon_Cleanzone</thingDef>
                         <faction>Wula_PIA_Legion_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -271,6 +288,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Turret_Group_Drop_Zone_Beacon_Cleanzone</thingDef>
                               <faction>Wula_PIA_Legion_Faction</faction>
                               <spawnCount>3</spawnCount>
diff --git a/1.6/1.6/Defs/QuestScriptDefs/WULA_Progressive_Ship_Attack_Quest.xml b/1.6/1.6/Defs/QuestScriptDefs/WULA_Progressive_Ship_Attack_Quest.xml
index 5df23af7..f3aeccc3 100644
--- a/1.6/1.6/Defs/QuestScriptDefs/WULA_Progressive_Ship_Attack_Quest.xml
+++ b/1.6/1.6/Defs/QuestScriptDefs/WULA_Progressive_Ship_Attack_Quest.xml
@@ -39,6 +39,9 @@
       <nodes>
         <!-- 获取地图 -->
         <li Class="QuestNode_GetMap" />
+        <li Class="QuestNode_SendSignals">
+          <outSignals>wulaAttackComing</outSignals>
+        </li>
 
         <!-- 随机 -->
         <li Class="QuestNode_RandomNode">
@@ -66,6 +69,7 @@
                   <text>乌拉帝国进步派叛军向殖民地发射了挖掘机集群！</text>
                 </li>
                 <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                  <inSignal>wulaAttackComing</inSignal>
                   <thingDef>WULA_Combat_Excavator_Hostile_Incoming</thingDef>
                   <spawnCount>1</spawnCount>
                   <spreadOut>true</spreadOut>
@@ -75,10 +79,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>2999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Combat_Excavator_Hostile_Incoming</thingDef>
                         <spawnCount>1</spawnCount>
                         <spreadOut>true</spreadOut>
@@ -91,10 +96,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>5999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Combat_Excavator_Hostile_Incoming</thingDef>
                         <spawnCount>1</spawnCount>
                         <spreadOut>true</spreadOut>
@@ -107,10 +113,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>9999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Combat_Excavator_Hostile_Incoming</thingDef>
                         <spawnCount>2</spawnCount>
                         <spreadOut>true</spreadOut>
@@ -187,6 +194,7 @@
                   <text>乌拉帝国进步派叛军的突击舰队正在攻击殖民地！</text>
                 </li>
                 <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                  <inSignal>wulaAttackComing</inSignal>
                   <thingDef>WULA_Progressive_Ship_Mini_Beacon_Cleanzone</thingDef>
                   <faction>Wula_Progressive_Faction</faction>
                   <spawnCount>1</spawnCount>
@@ -200,6 +208,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mini_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -216,6 +225,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>2</spawnCount>
@@ -232,6 +242,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mid_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -245,6 +256,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                               <faction>Wula_Progressive_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -260,10 +272,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>7999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mid_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -277,6 +290,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                               <faction>Wula_Progressive_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -292,10 +306,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>9999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mid_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -309,6 +324,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                               <faction>Wula_Progressive_Faction</faction>
                               <spawnCount>2</spawnCount>
@@ -328,6 +344,7 @@
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mini_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -335,6 +352,7 @@
                         <sendMessageOnFailure>false</sendMessageOnFailure>
                       </li>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mid_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -348,6 +366,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                               <faction>Wula_Progressive_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -363,10 +382,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>15999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mini_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>4</spawnCount>
@@ -374,6 +394,7 @@
                         <sendMessageOnFailure>false</sendMessageOnFailure>
                       </li>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>WULA_Progressive_Ship_Mid_Beacon_Cleanzone</thingDef>
                         <faction>Wula_Progressive_Faction</faction>
                         <spawnCount>1</spawnCount>
@@ -387,6 +408,7 @@
                         <node Class="QuestNode_Sequence">
                           <nodes>
                             <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                              <inSignal>wulaAttackComing</inSignal>
                               <thingDef>WULA_Progressive_Ship_Small_Beacon_Cleanzone</thingDef>
                               <faction>Wula_Progressive_Faction</faction>
                               <spawnCount>3</spawnCount>
@@ -424,6 +446,7 @@
                   </rules>
                 </li>
                 <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                  <inSignal>wulaAttackComing</inSignal>
                   <thingDef>Mech_WULA_Cat_Cloak_Sniper_Incoming</thingDef>
                   <spreadOut>true</spreadOut>
                   <spawnCount>1</spawnCount>
@@ -433,10 +456,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>2999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>Mech_WULA_Cat_Cloak_Sniper_Incoming</thingDef>
                         <spawnCount>1</spawnCount>
                         <spreadOut>true</spreadOut>
@@ -449,10 +473,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>5999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>Mech_WULA_Cat_Cloak_Sniper_Incoming</thingDef>
                         <spreadOut>true</spreadOut>
                         <spawnCount>1</spawnCount>
@@ -465,10 +490,11 @@
                 <li Class="QuestNode_Greater">
                   <value1>$points</value1>
                   <value2>9999</value2>
-       
+
                   <node Class="QuestNode_Sequence">
                     <nodes>
                       <li Class="WulaFallenEmpire.QuestNode_SpawnPrefabSkyfallerCaller">
+                        <inSignal>wulaAttackComing</inSignal>
                         <thingDef>Mech_WULA_Cat_Cloak_Sniper_Incoming</thingDef>
                         <spreadOut>true</spreadOut>
                         <spawnCount>2</spawnCount>
@@ -482,7 +508,7 @@
             </li>
           </nodes>
         </li>
-        
+
         <li Class="QuestNode_End" />
       </nodes>
     </root>
diff --git a/1.6/1.6/Defs/ResearchProjectDefs/WULA_ResearchProjects.xml b/1.6/1.6/Defs/ResearchProjectDefs/WULA_ResearchProjects.xml
index afd0b9fb..2cbbe1f8 100644
--- a/1.6/1.6/Defs/ResearchProjectDefs/WULA_ResearchProjects.xml
+++ b/1.6/1.6/Defs/ResearchProjectDefs/WULA_ResearchProjects.xml
@@ -476,6 +476,17 @@
     </heldByFactionCategoryTags>
   </ResearchProjectDef>
   <!-- 防御 -->
+  <ResearchProjectDef ParentName="WULAtechBase">
+    <defName>WULA_Sonar_Mine_Drop_Technology</defName>
+    <researchViewX>2.00</researchViewX>
+    <researchViewY>2.10</researchViewY>
+    <label>声波地雷空投许可</label>
+    <description>允许殖民地申请空投感应地雷，其需要一些时间才能启动，启动后会自动向附近在活动的敌人弹射过去。</description>
+    <baseCost>500</baseCost>
+    <prerequisites>
+      <li>WULA_Bunker_Drop_Technology</li>
+    </prerequisites>
+  </ResearchProjectDef>
   <ResearchProjectDef ParentName="WULAtechBase">
     <defName>WULA_Turret_Base_AT_Technology</defName>
     <researchViewX>7.00</researchViewX>
diff --git a/1.6/1.6/Defs/ThingDefs_Buildings/WULA_Turret_Buildings.xml b/1.6/1.6/Defs/ThingDefs_Buildings/WULA_Turret_Buildings.xml
index 3bc05b5f..51f4bf68 100644
--- a/1.6/1.6/Defs/ThingDefs_Buildings/WULA_Turret_Buildings.xml
+++ b/1.6/1.6/Defs/ThingDefs_Buildings/WULA_Turret_Buildings.xml
@@ -33,7 +33,7 @@
     <rotatable>false</rotatable>
     <terrainAffordanceNeeded>Light</terrainAffordanceNeeded>
     <researchPrerequisites Inherit="False">
-      <li>WULA_Bunker_Drop_Technology</li>
+      <li>WULA_Sonar_Mine_Drop_Technology</li>
     </researchPrerequisites>
     <statBases>
       <MarketValue>0</MarketValue>
diff --git a/美术与文本源文件/V2宣传截图/新建 DOCX 文档.docx b/美术与文本源文件/V2宣传截图/新建 DOCX 文档.docx
index 513f1467..2dd9c611 100644
Binary files a/美术与文本源文件/V2宣传截图/新建 DOCX 文档.docx and b/美术与文本源文件/V2宣传截图/新建 DOCX 文档.docx differ