diff --git a/Assets/02_Scripts/Barrel.cs b/Assets/02_Scripts/Barrel.cs
index cb7449b..72ba7df 100644
--- a/Assets/02_Scripts/Barrel.cs
+++ b/Assets/02_Scripts/Barrel.cs
@@ -5,15 +5,21 @@ using UnityEngine;
 public class Barrel : MonoBehaviour
 {
     private GameObject expEffect;
+    private int hitCount = 0;
 
     void Start()
     {
         expEffect = Resources.Load<GameObject>("BigExplosion");
     }
 
-    // Update is called once per frame
-    void Update()
+    void OnCollisionEnter(Collision coll)
     {
+        if (coll.collider.CompareTag("BULLET"))
+        {
+            if (++hitCount == 3)
+            {
 
+            }
+        }
     }
 }