diff --git a/Unity/Assets/Scripts/TH1_Data/PlayerData.cs b/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
index 6a95ee640..a2a9432d4 100644
--- a/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
+++ b/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
@@ -499,6 +499,7 @@ namespace RuntimeData
         public void OnTurnStart(MapData map)
         {
             Turn++;
+            Main.PlayerLogic.UpdateAllTeammateCapitalSight(map);
             //减少1点伟人复活冷却的时间点
             for (int i = 0; i < 6; i++)
                 if (giantPenalty[i] > 0) giantPenalty[i]--;
diff --git a/Unity/Assets/Scripts/TH1_Logic/Player/PlayerLogic.cs b/Unity/Assets/Scripts/TH1_Logic/Player/PlayerLogic.cs
index 997783a48..59909b339 100644
--- a/Unity/Assets/Scripts/TH1_Logic/Player/PlayerLogic.cs
+++ b/Unity/Assets/Scripts/TH1_Logic/Player/PlayerLogic.cs
@@ -1615,6 +1615,41 @@ namespace Logic
             return UpdateSight_LogicView(mapData,playerData,mapData.GridMap.GetAroundGridIdList(radius,gridData,true),ViewNextFrame);
         }
 
+        public void UpdateAllTeammateCapitalSight(MapData mapData)
+        {
+            if (mapData?.PlayerMap?.PlayerDataList == null) return;
+
+            foreach (var player in mapData.PlayerMap.PlayerDataList)
+            {
+                if (player == null || !player.IsSurvival) continue;
+
+                using var pooledGidList = THCollectionPool.GetListHandle<uint>(out var gidList);
+                foreach (var teammate in mapData.PlayerMap.PlayerDataList)
+                {
+                    if (teammate == null || !teammate.IsSurvival || teammate.Id == player.Id) continue;
+                    if (!CheckIsTeammate(mapData, player, teammate)) continue;
+                    if (!mapData.GetCapitalCityDataByPlayerId(teammate.Id, out var capital)) continue;
+                    if (!mapData.GetGridIdByCityId(capital.Id, out var capitalGid)) continue;
+                    if (player.Sight.CheckIsInSight(capitalGid)) continue;
+                    gidList.Add(capitalGid);
+                }
+
+                if (gidList.Count > 0)
+                    UpdateSight_LogicView(mapData, player, gidList);
+            }
+        }
+
+        private static bool CheckIsTeammate(MapData mapData, PlayerData player, PlayerData targetPlayer)
+        {
+            if (mapData?.MapConfig != null && mapData.MapConfig.ArePlayersInSameTeam(player.Id, targetPlayer.Id))
+                return true;
+
+            if (player.GetCountryDiplomacyInfo(targetPlayer.Id, out var selfToTarget) && selfToTarget.IsTeammate)
+                return true;
+
+            return targetPlayer.GetCountryDiplomacyInfo(player.Id, out var targetToSelf) && targetToSelf.IsTeammate;
+        }
+
         public void DebugGetAllSight(MapData mapData, PlayerData playerData)
         {
             using var pooledGidList = THCollectionPool.GetListHandle<uint>(out var gidList);