diff --git a/common/global_ship_designs/!_RG_event_ship_designs_distant_stars_overwrite.txt b/common/global_ship_designs/!_RG_event_ship_designs_distant_stars_overwrite.txt
index 3ebb75f..8188035 100644
--- a/common/global_ship_designs/!_RG_event_ship_designs_distant_stars_overwrite.txt
+++ b/common/global_ship_designs/!_RG_event_ship_designs_distant_stars_overwrite.txt
@@ -10,7 +10,7 @@ ship_design = {
 
 		component = {
 			slot = "PLANET_KILLER_GUN_01"
-			template = "PLANET_KILLER_NEUTRON"
+			template = "RG_PLANET_KILLER_SMALL"
 		}	
 		component = {
 			slot = "TITAN_01"
diff --git a/common/on_actions/RG_on_actions.txt b/common/on_actions/RG_on_actions.txt
index 4774f0b..8fb5b31 100644
--- a/common/on_actions/RG_on_actions.txt
+++ b/common/on_actions/RG_on_actions.txt
@@ -51,6 +51,7 @@ on_monthly_pulse_country = {
 		rg.8 #领袖等级检测更新
 		rg.16 #陆军压制舰更新
 		# rg.22 #小灰复活检测
+		rg.23 #月检移除L星门认知防止收容失效
 		# rg_skill.9
 	}
 }
diff --git a/common/scripted_effects/RG_scripted_effects.txt b/common/scripted_effects/RG_scripted_effects.txt
index c72fc51..9ca9552 100644
--- a/common/scripted_effects/RG_scripted_effects.txt
+++ b/common/scripted_effects/RG_scripted_effects.txt
@@ -2082,4 +2082,72 @@ rg_timeline_attract_field_init = {
 		#德萨努
 		remove_global_flag = gray_goo_empire_set
 	}
+}
+
+RG_const_auto_build_effect_event = {
+	if = {
+		limit = { 
+			solar_system = {
+				#星系必须完成扫描
+				is_surveyed = {
+					who = root.controller
+					status = yes
+				}
+				#星系内不能有其他自动工蜂
+				NOT = { any_fleet_in_system = { any_controlled_ship = { is_ship_size = RG_armed_constructor_ship } } }
+			}
+		}
+		#创建自动工蜂国家
+		if = {
+			limit = { 
+				NOT = { exists = event_target:RG_const_country }
+			}
+			create_country = {
+				name = RG_const_country
+				type = RG_gray_friendly
+				auto_delete = no
+				flag = root.controller
+				effect = {
+					save_global_event_target_as = RG_const_country
+					establish_communications_no_message = root.controller
+					set_faction_hostility = {
+						target = root.controller
+						set_friendly = yes
+					}
+					#对野怪国家中立
+					every_country = {
+						limit = {
+							OR = {
+								is_amoeba_country_type = yes
+								is_tiyanki_country_type = yes
+								is_crystal_country_type = yes
+								is_drone_country_type = yes
+							}
+						}
+						set_faction_hostility = {
+							target = prev
+							set_neutral = yes
+						}
+					}
+				}
+			}
+			controller = {
+				add_intel = {
+					who = event_target:RG_const_country
+					amount = 1000
+				}
+			}
+		}
+		#释放工蜂
+		switch = {
+			trigger = has_component
+			RG_AUTOCONST_HANGER = { 
+				RG_const_auto_build_effect = {
+					count = 1
+					starbase_time = 30
+					station_time = 150
+				}
+			}
+		}
+	}
 }
\ No newline at end of file
diff --git a/events/RG_combat_skill_events.txt b/events/RG_combat_skill_events.txt
index 17eeaf7..5c7f7b2 100644
--- a/events/RG_combat_skill_events.txt
+++ b/events/RG_combat_skill_events.txt
@@ -139,6 +139,11 @@ ship_event = {
 	immediate = {
 		if = {
 			limit = { 
+				owner = {
+					NOT = {
+						is_same_value = origin_rg_gray_country
+					}
+				}
 				solar_system = {
 					NOT = { #星系内不能有敌舰
 						any_fleet_in_system = { 
@@ -148,71 +153,48 @@ ship_event = {
 					}
 				}
 			}
-			if = {
-				limit = { 
-					solar_system = {
-						#星系必须完成扫描
-						is_surveyed = {
-							who = root.controller
-							status = yes
-						}
-						#星系内不能有其他自动工蜂
-						NOT = { any_fleet_in_system = { any_controlled_ship = { is_ship_size = RG_armed_constructor_ship } } }
+			#创建自动工程船暂存国家
+			RG_const_auto_build_effect_event = yes
+		}
+		else_if = {
+			limit = { 
+				owner = {
+					is_same_value = origin_rg_gray_country
+					NOT = {
+						has_global_flag = l_cluster_opened
 					}
 				}
-				#创建自动工蜂国家
-				if = {
-					limit = { 
-						NOT = { exists = event_target:RG_const_country }
-					}
-					create_country = {
-						name = RG_const_country
-						type = RG_gray_friendly
-						auto_delete = no
-						flag = root.controller
-						effect = {
-							save_global_event_target_as = RG_const_country
-							establish_communications_no_message = root.controller
-							set_faction_hostility = {
-								target = root.controller
-								set_friendly = yes
-							}
-							#对野怪国家中立
-							every_country = {
-								limit = {
-									OR = {
-										is_amoeba_country_type = yes
-										is_tiyanki_country_type = yes
-										is_crystal_country_type = yes
-										is_drone_country_type = yes
-									}
-								}
-								set_faction_hostility = {
-									target = prev
-									set_neutral = yes
-								}
-							}
-						}
-					}
-					controller = {
-						add_intel = {
-							who = event_target:RG_const_country
-							amount = 1000
-						}
-					}
-				}
-				#释放工蜂
-				switch = {
-					trigger = has_component
-					RG_AUTOCONST_HANGER = { 
-						RG_const_auto_build_effect = {
-							count = 1
-							starbase_time = 30
-							station_time = 150
+				solar_system = {
+					has_star_flag = lcluster
+					NOT = { #星系内不能有敌舰		
+						any_fleet_in_system = { 
+							exists = controller
+							controller = { is_hostile = root.controller } 
 						}
 					}
 				}
 			}
+			#创建自动工程船暂存国家
+			RG_const_auto_build_effect_event = yes
+		}
+		else_if = {
+			limit = { 
+				owner = {
+					is_same_value = origin_rg_gray_country # 是小灰起源
+					has_global_flag = l_cluster_opened # L星门已开启
+				}
+				solar_system = {
+					# has_star_flag = lcluster
+					NOT = { #星系内不能有敌舰		
+						any_fleet_in_system = { 
+							exists = controller
+							controller = { is_hostile = root.controller } 
+						}
+					}
+				}
+			}
+			#创建自动工程船暂存国家
+			RG_const_auto_build_effect_event = yes
 		}
 		#循环检查
 		ship_event = {
diff --git a/events/RG_events.txt b/events/RG_events.txt
index 861347b..edf1cb1 100644
--- a/events/RG_events.txt
+++ b/events/RG_events.txt
@@ -869,6 +869,28 @@ country_event = {
 	}
 }
 
+# looping check for escape lcluster
+country_event = {
+	id = rg.23
+	hide_window = yes
+
+	is_triggered_only = yes
+
+	trigger = {
+		is_same_value = event_target:origin_rg_gray_country
+		has_country_flag = origin_rg_gray
+	}
+
+	immediate = {
+		if = {
+			limit = {
+				has_event_chain = "l_cluster_chain"
+			}
+			end_event_chain = "l_cluster_chain"
+		}
+	}
+}
+
 # 拆毁工厂小灰通讯
 country_event = {
 	id = rg.200