diff --git a/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs b/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
index 32909b4..45b0ce9 100644
--- a/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
+++ b/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
@@ -22,7 +22,6 @@ namespace Guru
         private const string DefaultCategory = "Store";
 
         private static bool _showLog;
-        private static string _uuid;
         
         private ConfigurationBuilder _configBuilder; // 商店配置创建器
         
@@ -70,6 +69,7 @@ namespace Guru
 
         private byte[] _googlePublicKey;
         private byte[] _appleRootCert;
+        private string _uid;
         
         /// <summary>
         /// 服务初始化回调
@@ -133,9 +133,11 @@ namespace Guru
         /// <summary>
         /// 初始化支付服务
         /// </summary>
-        public virtual void Initialize(string uuid, bool showLog = false)
+        public virtual void Initialize(string uid, bool showLog = false)
         {
-            _uuid = uuid;
+            
+            if (string.IsNullOrEmpty(uid)) uid = IPMConfig.IPM_UID;
+            _uid = uid;
             _showLog = showLog;
             InitPurchasing();
         }
@@ -147,12 +149,12 @@ namespace Guru
         /// <param name="googlePublicKey"></param>
         /// <param name="appleRootCert"></param>
         /// <param name="showLog"></param>
-        public virtual void InitWithKeys(string uuid, byte[] googlePublicKey, byte[] appleRootCert, bool showLog = false)
+        public virtual void InitWithKeys(string uid, byte[] googlePublicKey, byte[] appleRootCert, bool showLog = false)
         {
             _googlePublicKey = googlePublicKey;
             _appleRootCert = appleRootCert;
             InitModel();
-            Initialize(uuid, showLog);
+            Initialize(uid, showLog);
         }
 
         /// <summary>
@@ -229,13 +231,14 @@ namespace Guru
         {
             _storeController = controller;
             _storeExtensionProvider = extensions;
-            if (string.IsNullOrEmpty(_uuid)) _uuid = IPMConfig.IPM_DEVICE_ID;
-         
-            LogI($"--- IAP Initialized Success. With UID: {_uuid}");
+            var uuid = IPMConfig.IPM_DEVICE_ID;
+            if(string.IsNullOrEmpty(_uid)) _uid = IPMConfig.IPM_UID;
+            
+            LogI($"--- IAP Initialized Success. With UID: {_uid} and UUID: {uuid}");
 
 #if UNITY_IOS
             _appleExtensions = extensions.GetExtension<IAppleExtensions>();
-            _appleExtensions.SetApplicationUsername(_uuid);  // SetUp UID
+            _appleExtensions.SetApplicationUsername(uuid);  // SetUp UUID (8)-(4)-(4)-(12): xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
             // On Apple platforms we need to handle deferred purchases caused by Apple's Ask to Buy feature.
             // On non-Apple platforms this will have no effect; OnDeferred will never be called.
             _appleExtensions.RegisterPurchaseDeferredListener(item =>
@@ -244,7 +247,7 @@ namespace Guru
                 OnAppStorePurchaseDeferred?.Invoke(item);
             });
 #elif UNITY_ANDROID
-            _configBuilder.Configure<IGooglePlayConfiguration>().SetObfuscatedAccountId(_uuid); // SetUp UID
+            _configBuilder.Configure<IGooglePlayConfiguration>().SetObfuscatedAccountId(_uid); // SetUp UID
             _googlePlayStoreExtensions = extensions.GetExtension<IGooglePlayStoreExtensions>();
             //添加安装游戏后第一次初试化进行恢复购买的回调 只有安卓才有
             _googlePlayStoreExtensions.RestoreTransactions(OnRestoreHandle);