diff --git a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
index a689872..f427088 100644
--- a/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
+++ b/DungeonShooting_Godot/src/framework/activity/ActivityObject.cs
@@ -631,7 +631,7 @@
 
         _throwForce = new ExternalForce("throw");
         _throwForce.Velocity = velocity;
-        MoveController.AddConstantForce(_throwForce);
+        MoveController.AddForce(_throwForce);
 
         InitThrowData();
     }
@@ -1122,16 +1122,11 @@
     }
 
     /// <summary>
-    /// 继承指定物体的运动速率, 该速率可能会有衰减
+    /// 继承指定物体的运动速率
     /// </summary>
-    public void InheritVelocity(ActivityObject other)
+    public void InheritVelocity(ActivityObject other, float scale = 0.5f)
     {
-        var velocity = other.Velocity;
-        if (velocity != Vector2.Zero)
-        {
-            var force = MoveController.AddConstantForce(velocity * 0.5f, 15);
-            force.EnableResistanceInTheAir = false;
-        }
+        MoveController.AddVelocity(other.Velocity * scale);
     }
 
     /// <summary>
diff --git a/DungeonShooting_Godot/src/framework/activity/components/MoveController.cs b/DungeonShooting_Godot/src/framework/activity/components/MoveController.cs
index b4b8ea4..9e7c149 100644
--- a/DungeonShooting_Godot/src/framework/activity/components/MoveController.cs
+++ b/DungeonShooting_Godot/src/framework/activity/components/MoveController.cs
@@ -43,6 +43,30 @@
 
         BasisVelocity *= scale;
     }
+
+    /// <summary>
+    /// 给当前控制器添加指定外力速率, 并且平均分配给基础速率和外力速率
+    /// </summary>
+    public void AddVelocity(Vector2 velocity)
+    {
+        if (velocity != Vector2.Zero)
+        {
+            var forceCount = GetForceCount();
+            if (forceCount == 0)
+            {
+                _basisVelocity += velocity;
+            }
+            else
+            {
+                var tempV = velocity / (forceCount + 1);
+                _basisVelocity += tempV;
+                for (var i = 0; i < _forceList.Count; i++)
+                {
+                    _forceList[i].Velocity += tempV;
+                }
+            }
+        }
+    }
     
     /// <summary>
     /// 设置所有力对象, 包括基础速率
@@ -78,9 +102,9 @@
     /// </summary>
     /// <param name="velocity">外力速率</param>
     /// <param name="resistance">阻力大小</param>
-    public ExternalForce AddConstantForce(Vector2 velocity, float resistance)
+    public ExternalForce AddForce(Vector2 velocity, float resistance)
     {
-        var force = AddConstantForce("_anonymity_" + _index++);
+        var force = AddForce("_anonymity_" + _index++);
         force.Velocity = velocity;
         force.Resistance = resistance;
         return force;
@@ -90,9 +114,9 @@
     /// 快速创建一个外力, 该外力为匿名外力, 当速率变为 0 时自动销毁
     /// </summary>
     /// <param name="velocity">外力速率</param>
-    public ExternalForce AddConstantForce(Vector2 velocity)
+    public ExternalForce AddForce(Vector2 velocity)
     {
-        var force = AddConstantForce("_anonymity_" + _index++);
+        var force = AddForce("_anonymity_" + _index++);
         force.Velocity = velocity;
         return force;
     }
@@ -101,18 +125,18 @@
     /// <summary>
     /// 根据名称添加一个外力, 并返回创建的外力的对象, 如果存在这个名称的外力, 移除之前的外力, 当速率变为 0 时不会自动销毁
     /// </summary>
-    public ExternalForce AddConstantForce(string name)
+    public ExternalForce AddForce(string name)
     {
         var f = new ExternalForce(name);
         f.AutoDestroy = false;
-        AddConstantForce(f);
+        AddForce(f);
         return f;
     }
 
     /// <summary>
     /// 根据对象添加一个外力力, 如果存在这个名称的外力, 移除之前的外力
     /// </summary>
-    public T AddConstantForce<T>(T force) where T : ExternalForce
+    public T AddForce<T>(T force) where T : ExternalForce
     {
         RemoveForce(force.Name);
         _forceList.Add(force);
diff --git a/DungeonShooting_Godot/src/framework/activity/components/StateBase.cs b/DungeonShooting_Godot/src/framework/activity/components/StateBase.cs
index c936b6f..ce71a11 100644
--- a/DungeonShooting_Godot/src/framework/activity/components/StateBase.cs
+++ b/DungeonShooting_Godot/src/framework/activity/components/StateBase.cs
@@ -75,7 +75,7 @@
     }
 
     /// <summary>
-    /// 立即切换到下一个指定状态, 并且这一帧会被调用 PhysicsProcess
+    /// 立即切换到下一个指定状态, 并且这一帧会被调用 Process
     /// </summary>
     public void ChangeStateInstant(S next, params object[] args)
     {
@@ -83,7 +83,7 @@
     }
     
     /// <summary>
-    /// 切换到下一个指定状态, 下一帧才会调用 PhysicsProcess
+    /// 切换到下一个指定状态, 下一帧才会调用 Process
     /// </summary>
     public void ChangeState(S next, params object[] args)
     {
diff --git a/DungeonShooting_Godot/src/framework/activity/components/StateController.cs b/DungeonShooting_Godot/src/framework/activity/components/StateController.cs
index ca379b4..ecb69be 100644
--- a/DungeonShooting_Godot/src/framework/activity/components/StateController.cs
+++ b/DungeonShooting_Godot/src/framework/activity/components/StateController.cs
@@ -78,16 +78,16 @@
     /// </summary>
     public StateBase<T, S> GetState(S state)
     {
-        if (_states.ContainsKey(state))
+        if (_states.TryGetValue(state, out var temp))
         {
-            return _states[state];
+            return temp;
         }
 
         return null;
     }
 
     /// <summary>
-    /// 立即切换到下一个指定状态, 并且这一帧会被调用 PhysicsProcess
+    /// 立即切换到下一个指定状态, 并且这一帧会被调用 Process
     /// </summary>
     public void ChangeStateInstant(S next, params object[] arg)
     {
@@ -95,7 +95,7 @@
     }
 
     /// <summary>
-    /// 切换到下一个指定状态, 下一帧才会调用 PhysicsProcess
+    /// 切换到下一个指定状态, 下一帧才会调用 Process
     /// </summary>
     public void ChangeState(S next, params object[] arg)
     {
diff --git a/DungeonShooting_Godot/src/game/activity/role/Role.cs b/DungeonShooting_Godot/src/game/activity/role/Role.cs
index bc091b0..6e10cc3 100644
--- a/DungeonShooting_Godot/src/game/activity/role/Role.cs
+++ b/DungeonShooting_Godot/src/game/activity/role/Role.cs
@@ -735,6 +735,10 @@
         }
     }
 
+    /// <summary>
+    /// 添加被动
+    /// </summary>
+    /// <param name="buff"></param>
     public void PushBuff(Buff buff)
     {