diff --git a/Runtime/Code/IAP/GuruIAP.cs b/Runtime/Code/IAP/GuruIAP.cs
index 5937ba1..68d7a22 100644
--- a/Runtime/Code/IAP/GuruIAP.cs
+++ b/Runtime/Code/IAP/GuruIAP.cs
@@ -13,7 +13,7 @@ namespace Guru
         {
             if (success)
             {
-                GuruSDKModel.Instance.PurchasedCount++; // 记录成功购买次数
+                
             }
         }
     }
diff --git a/Runtime/Code/Model/GuruSDKModel.cs b/Runtime/Code/Model/GuruSDKModel.cs
index 91d1a1c..5695d1c 100644
--- a/Runtime/Code/Model/GuruSDKModel.cs
+++ b/Runtime/Code/Model/GuruSDKModel.cs
@@ -30,7 +30,6 @@ namespace Guru
         public int b_level = 0;
         public int b_play = 0;
         public int buy_count = 0;
-        public bool is_iap_user = false;
         
         public List<PurchasedProduct> purchased;
         //-------------- data ---------------
@@ -92,20 +91,9 @@ namespace Guru
                 _uid.Value = value;
             }
         }
+
+        public bool IsIapUser => PurchasedCount > 0;
         
-        public bool IsIapUser
-        {
-            get
-            {
-                if(_isIapUser == null) InitProperties();
-                return _isIapUser.Value;
-            }
-            set
-            {
-                if(_isIapUser == null) InitProperties();
-                _isIapUser.Value = value;
-            }
-        }
         
         
         private BindableProperty<int> _successLevel;
@@ -160,7 +148,6 @@ namespace Guru
             _totalPlayed = new BindableProperty<int>(b_play, OnPlayedChanged);
             _purchasedCount = new BindableProperty<int>(buy_count, OnPurchasedNumChanged);
             _uid = new BindableProperty<string>(uid, OnUidChanged);
-            _isIapUser = new BindableProperty<bool>(is_iap_user, OnIsIapUserChanged);
 
             purchased = new List<PurchasedProduct>(20);
         }
@@ -206,11 +193,6 @@ namespace Guru
             Save();
         }
         
-        private void OnIsIapUserChanged(bool value)
-        {
-            is_iap_user = value;
-            Save();
-        }
         #endregion
 
         #region 启动配置
diff --git a/Runtime/Code/SDK/GuruSDK.IAP.cs b/Runtime/Code/SDK/GuruSDK.IAP.cs
index 101a491..f280097 100644
--- a/Runtime/Code/SDK/GuruSDK.IAP.cs
+++ b/Runtime/Code/SDK/GuruSDK.IAP.cs
@@ -44,7 +44,6 @@ namespace Guru
         private static void OnIAPInitResult(bool success)
         {
             LogI($"IAP init result: {success}");
-            
             IsIAPReady = success;
             Callbacks.IAP._onIAPInitComplete?.Invoke(success);
         }
@@ -182,6 +181,7 @@ namespace Guru
         /// <param name="success"></param>
         private static void OnBuyEnd(string productName, bool success)
         {
+            if (success) Model.PurchasedCount++;
             _onPurchaseCallback?.Invoke(productName, success);
             Callbacks.IAP._onPurchaseEnd?.Invoke(productName, success);
         }