diff --git a/logic/GameClass/GameObj/Areas/Wormhole.cs b/logic/GameClass/GameObj/Areas/Wormhole.cs
index 76665c9a..4b6c84cb 100644
--- a/logic/GameClass/GameObj/Areas/Wormhole.cs
+++ b/logic/GameClass/GameObj/Areas/Wormhole.cs
@@ -12,6 +12,19 @@ public class Wormhole : Immovable, IWormhole
     public List<XY> Grids => grids;
     public override bool IsRigid => HP > GameData.WormholeHP / 2;
     public override ShapeType Shape => ShapeType.Square;
+    public AtomicInt RepairNum { get; } = new AtomicInt(0);
+    public bool Repair(int constructSpeed, Ship ship)
+    {
+        return HP.AddV(constructSpeed) > 0;
+    }
+    public void AddRepairNum(int add = 1)
+    {
+        RepairNum.Add(add);
+    }
+    public void SubRepairNum(int sub = 1)
+    {
+        RepairNum.Sub(sub);
+    }
     public Wormhole(XY initPos, List<XY> grids)
         : base(initPos, GameData.NumOfPosGridPerCell / 2, GameObjType.Wormhole)
     {
diff --git a/logic/GameClass/GameObj/Map/Map.cs b/logic/GameClass/GameObj/Map/Map.cs
index ff2507ec..14fadab4 100644
--- a/logic/GameClass/GameObj/Map/Map.cs
+++ b/logic/GameClass/GameObj/Map/Map.cs
@@ -96,10 +96,30 @@ public IOutOfBound GetOutOfBound(XY pos)
             {
                 foreach (GameObj gameObj in GameObjDict[gameObjType])
                 {
-                    if (GameData.ApproachToInteract(gameObj.Position, Pos))
+                    if (gameObjType == GameObjType.Wormhole)
                     {
-                        GameObjForInteract = gameObj;
-                        break;
+                        bool flag = false;
+                        foreach (XY xy in ((Wormhole)gameObj).Grids)
+                        {
+                            if (GameData.ApproachToInteract(xy, Pos))
+                            {
+                                GameObjForInteract = gameObj;
+                                flag = true;
+                                break;
+                            }
+                        }
+                        if (flag)
+                        {
+                            break;
+                        }
+                    }
+                    else
+                    {
+                        if (GameData.ApproachToInteract(gameObj.Position, Pos))
+                        {
+                            GameObjForInteract = gameObj;
+                            break;
+                        }
                     }
                 }
             }
diff --git a/logic/GameClass/GameObj/Ship.cs b/logic/GameClass/GameObj/Ship.cs
index 0a640fa3..e835bf21 100644
--- a/logic/GameClass/GameObj/Ship.cs
+++ b/logic/GameClass/GameObj/Ship.cs
@@ -65,6 +65,9 @@ public override bool IgnoreCollideExecutor(IGameObj targetObj)
     public IWeapon WeaponModule => weapon;
     #endregion
 
+    public int ProduceSpeed => producer.ProduceSpeed;
+    public int ConstructSpeed => constructor.ConstructSpeed;
+
     private GameObj? whatInteractingWith = null;
     public GameObj? WhatInteractingWith
     {
diff --git a/logic/Gaming/ActionManager.cs b/logic/Gaming/ActionManager.cs
index 9604a37a..1ae3e768 100644
--- a/logic/Gaming/ActionManager.cs
+++ b/logic/Gaming/ActionManager.cs
@@ -109,6 +109,12 @@ public bool Produce(Ship ship)
                     () =>
                     {
                         ship.ThreadNum.WaitOne();
+                        if (!resource.Produce(ship.ProduceSpeed, ship))
+                        {
+                            ship.ThreadNum.Release();
+                            ship.ResetShipState(stateNum);
+                            return;
+                        }
                         if (!ship.StartThread(stateNum, RunningStateType.RunningActively))
                         {
                             ship.ThreadNum.Release();
@@ -138,7 +144,7 @@ public bool Produce(Ship ship)
                 { IsBackground = true }.Start();
                 return false;
             }
-            public bool Construct(Ship ship)
+            public bool Construct(Ship ship, ConstructionType constructionType)
             {
                 Construction? construction = (Construction?)gameMap.OneForInteract(ship.Position, GameObjType.Construction);
                 if (construction == null)
@@ -159,6 +165,12 @@ public bool Construct(Ship ship)
                     () =>
                     {
                         ship.ThreadNum.WaitOne();
+                        if (!construction.Construct(ship.ConstructSpeed, constructionType, ship))
+                        {
+                            ship.ThreadNum.Release();
+                            ship.ResetShipState(stateNum);
+                            return;
+                        }
                         if (!ship.StartThread(stateNum, RunningStateType.RunningActively))
                         {
                             ship.ThreadNum.Release();
@@ -188,6 +200,62 @@ public bool Construct(Ship ship)
                 { IsBackground = true }.Start();
                 return false;
             }
+            public bool Repair(Ship ship)
+            {
+                Wormhole? wormhole = (Wormhole?)gameMap.OneForInteract(ship.Position, GameObjType.Wormhole);
+                if (wormhole == null)
+                {
+                    return false;
+                }
+                if (wormhole.HP == wormhole.HP.GetMaxV())
+                {
+                    return false;
+                }
+                long stateNum = ship.SetShipState(RunningStateType.Waiting, ShipStateType.Constructing);
+                if (stateNum == -1)
+                {
+                    return false;
+                }
+                new Thread
+                (
+                    () =>
+                    {
+                        ship.ThreadNum.WaitOne();
+                        if (!wormhole.Repair(ship.ConstructSpeed, ship))
+                        {
+                            ship.ThreadNum.Release();
+                            ship.ResetShipState(stateNum);
+                            return;
+                        }
+                        if (!ship.StartThread(stateNum, RunningStateType.RunningActively))
+                        {
+                            ship.ThreadNum.Release();
+                            return;
+                        }
+                        wormhole.AddRepairNum();
+                        Thread.Sleep(GameData.CheckInterval);
+                        new FrameRateTaskExecutor<int>
+                        (
+                            loopCondition: () => stateNum == ship.StateNum && gameMap.Timer.IsGaming,
+                            loopToDo: () =>
+                            {
+                                if (wormhole.HP == wormhole.HP.GetMaxV())
+                                {
+                                    ship.ResetShipState(stateNum);
+                                    return false;
+                                }
+                                return true;
+                            },
+                            timeInterval: GameData.CheckInterval,
+                            finallyReturn: () => 0
+                        ).Start();
+                        ship.ThreadNum.Release();
+                        wormhole.SubRepairNum();
+                    }
+                )
+                { IsBackground = true }.Start();
+                return false;
+            }
         }
     }
 }