diff --git a/Gameton-06/Assets/Gameton/Scripts/Character/Heart/HeartDataManager.cs b/Gameton-06/Assets/Gameton/Scripts/Character/Heart/HeartDataManager.cs
index f2999520..048330db 100644
--- a/Gameton-06/Assets/Gameton/Scripts/Character/Heart/HeartDataManager.cs
+++ b/Gameton-06/Assets/Gameton/Scripts/Character/Heart/HeartDataManager.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.Assertions;
 
 namespace TON
 {
@@ -25,7 +26,13 @@ namespace TON
 
         private void LoadHeartData()
         {
-            heartDatas = JSONLoader.LoadFromResources<List<HeartData>>("Heart");
+            if (heartDatas != null)
+            {
+                heartDatas.Clear();
+            }
+
+            JSONLoader.SaveJsonToPersistentData("heart");
+            heartDatas = JSONLoader.LoadJsonFromPersistentData<List<HeartData>>("Heart");
             if (heartDatas == null)
             {
                 heartDatas = new List<HeartData>();
@@ -37,8 +44,9 @@ namespace TON
         {
             HeartData heartData = new HeartData(characterId);
             heartDatas.Add(heartData);
-            JSONLoader.SaveToFile(heartDatas, "heart");
+            Assert.IsTrue(JSONLoader.SaveUpdatedJsonToPersistentData(heartDatas, "heart"));
             Debug.Log($"heartData test:: {heartData.currentHearts}");
+            LoadHeartData();
         }
 
         public void SetCurrentUserHeart()
@@ -68,7 +76,8 @@ namespace TON
         public void SaveHeartData()
         {
             heartDatas[characterId] = currentHeartData;
-            JSONLoader.SaveToFile(heartDatas, "heart");
+            Assert.IsTrue(JSONLoader.SaveUpdatedJsonToPersistentData(heartDatas, "heart"));
+            LoadHeartData();
         }
 
         // 게임이 다시 실행될때 마지막 하트 소모 시간과 현재 시간을 계산해서 하트 충전량을 반영
diff --git a/Gameton-06/Assets/Gameton/Scripts/Character/PlayerDataManager.cs b/Gameton-06/Assets/Gameton/Scripts/Character/PlayerDataManager.cs
index f02c51b9..bf809c09 100644
--- a/Gameton-06/Assets/Gameton/Scripts/Character/PlayerDataManager.cs
+++ b/Gameton-06/Assets/Gameton/Scripts/Character/PlayerDataManager.cs
@@ -1,6 +1,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.Assertions;
 
 namespace TON
 {
@@ -18,9 +19,9 @@ namespace TON
         [SerializeField]
         private int defensiveGrowthFactor = 200; // 방어력 성장 변수 (조정 가능)
 
-        protected override void Awake()
+
+        public void Initalize()
         {
-            base.Awake();
             LoadPlayerData();
         }
 
@@ -78,7 +79,8 @@ namespace TON
             if (index > -1)
             {
                 playersData[index] = player;
-                JSONLoader.SaveUpdatedJsonToPersistentData(playersData, "player");
+                Assert.IsTrue(JSONLoader.SaveUpdatedJsonToPersistentData(playersData, "player"));
+                Initalize();
             }
         }
 
diff --git a/Gameton-06/Assets/Gameton/Scripts/Common/BootStrapper.cs b/Gameton-06/Assets/Gameton/Scripts/Common/BootStrapper.cs
index 8ffe3858..fb6222c7 100644
--- a/Gameton-06/Assets/Gameton/Scripts/Common/BootStrapper.cs
+++ b/Gameton-06/Assets/Gameton/Scripts/Common/BootStrapper.cs
@@ -43,11 +43,12 @@ namespace TON
         {
             Main.Singleton.Initialize();
 
-            List<PlayerData> playersData = PlayerDataManager.Singleton.playersData;
+            // List<PlayerData> playersData = PlayerDataManager.Singleton.playersData;
+            PlayerDataManager.Singleton.Initalize();
             PlayerPrefs.SetInt("SelectedPlayerIndex", 0);
             PlayerDataManager.Singleton.SetCurrentUserData();
             // HeartDataManager.Singleton.();
-            List<SkillData> skillDatas = SkillDataManager.Singleton.skillDatas;
+            // List<SkillData> skillDatas = SkillDataManager.Singleton.skillDatas;
             SkillDataManager.Singleton.Initalize();
 
             // TODO : Custom Order After System Load