diff --git a/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticleMover.cs b/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticleMover.cs
index bd2b5c2..508fb6e 100644
--- a/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticleMover.cs
+++ b/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticleMover.cs
@@ -20,7 +20,20 @@ public class ParticleMover : MonoBehaviour
     void Update()
     {
 
-        foreach(var touch in Input.touches)
+        if(Input.GetMouseButtonDown(0))
+        {
+            AddPoint(-1, Input.mousePosition);
+        }
+        if (Input.GetMouseButton(0))
+        {
+            UpdatePoint(-1, Input.mousePosition);
+        }
+        if (Input.GetMouseButtonUp(0))
+        {
+            RemovePoint(-1);
+        }
+
+        foreach (var touch in Input.touches)
         {
             switch (touch.phase)
             {
@@ -58,9 +71,14 @@ public class ParticleMover : MonoBehaviour
     }
 
     public void AddPoint(int id, Vector2 pos)
-    {
+    { 
 
-        Transform newTransform  = null;
+        Transform newTransform = null;
+        if(_pointGroup.TryGetValue(id, out newTransform))
+        {
+            UpdatePos(newTransform, pos);
+            return;
+        }
 
         if(_recycle.Count > 0)
         {
diff --git a/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticlePool.cs b/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticlePool.cs
index 5866cc0..ceca9a7 100644
--- a/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticlePool.cs
+++ b/04-IceSlide/Unity-19050-04-IceSlide/19050-04-IceSlide/Assets/Script/ParticlePool.cs
@@ -49,7 +49,7 @@ public class ParticlePool : MonoBehaviour
     public void OpenParticle(ParticleSystem paritcle)
     {
         var emission = paritcle.emission;
-        emission.rateOverDistance = 1;
+        emission.rateOverDistance = ParticleAmount;
     }
 
 }