diff --git a/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs b/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
index 0c1d4b3..daf7920 100644
--- a/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
+++ b/Runtime/GuruIAP/Runtime/Code/IAPServiceBase.cs
@@ -22,6 +22,7 @@ namespace Guru
         private const string DefaultCategory = "Store";
 
         private static bool _showLog;
+        private static string _userId;
         
         private ConfigurationBuilder _configBuilder; // 商店配置创建器
         
@@ -119,8 +120,9 @@ namespace Guru
         /// <summary>
         /// 初始化支付服务
         /// </summary>
-        public virtual void Initialize(bool showLog = false)
+        public virtual void Initialize(string userId, bool showLog = false)
         {
+            _userId = userId;
             _showLog = showLog;
             InitPurchasing();
         }
@@ -131,12 +133,12 @@ namespace Guru
         /// <param name="googlePublicKey"></param>
         /// <param name="appleRootCert"></param>
         /// <param name="showLog"></param>
-        public virtual void InitWithKeys(byte[] googlePublicKey, byte[] appleRootCert, bool showLog = false)
+        public virtual void InitWithKeys(string userId, byte[] googlePublicKey, byte[] appleRootCert, bool showLog = false)
         {
             _googlePublicKey = googlePublicKey;
             _appleRootCert = appleRootCert;
             InitModel();
-            Initialize(showLog);
+            Initialize(userId, showLog);
         }
 
         /// <summary>
@@ -214,9 +216,12 @@ namespace Guru
             LogI($"--- IAP Initialized Success");
             _storeController = controller;
             _storeExtensionProvider = extensions;
+
+            if (string.IsNullOrEmpty(_userId)) _userId = IPMConfig.IPM_UID;
             
 #if UNITY_IOS
             _appleExtensions = extensions.GetExtension<IAppleExtensions>();
+            _appleExtensions.SetApplicationUsername(_userId);  // SetUp UID
             // 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 =>
@@ -225,7 +230,7 @@ namespace Guru
                 OnAppStorePurchaseDeferred?.Invoke(item);
             });
 #elif UNITY_ANDROID
-            _configBuilder.Configure<IGooglePlayConfiguration>().SetObfuscatedAccountId(IPMConfig.IPM_UID);
+            _configBuilder.Configure<IGooglePlayConfiguration>().SetObfuscatedAccountId(_userId); // SetUp UID
             _googlePlayStoreExtensions = extensions.GetExtension<IGooglePlayStoreExtensions>();
             // _googlePlayStoreExtensions.SetObfuscatedAccountId(IPMConfig.IPM_UID);
             //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
@@ -1051,6 +1056,10 @@ namespace Guru
 
         #region Subscription
 
+        
+        public static DateTime DefaultSubscriptionDate = new DateTime(1970, 1,1,0,0,0); 
+
+        
         private SubscriptionManager GetSubManager(string productName)
         {
             var product = GetProduct(productName);
@@ -1064,6 +1073,8 @@ namespace Guru
 
         public bool IsSubscriptionFreeTrail(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1075,6 +1086,8 @@ namespace Guru
 
         public bool IsSubscriptionCancelled(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1085,6 +1098,8 @@ namespace Guru
 
         public bool IsSubscriptionAvailable(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1096,6 +1111,8 @@ namespace Guru
 
         public bool IsSubscriptionExpired(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1107,6 +1124,8 @@ namespace Guru
         
         public bool IsSubscriptionAutoRenewing(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1123,6 +1142,8 @@ namespace Guru
         /// <returns></returns>
         public bool IsSubscriptionIntroductoryPricePeriod(string productName)
         {
+            if(!IsInitialized) return false;
+            
             var smgr = GetSubManager(productName);
             if (smgr != null)
             {
@@ -1130,7 +1151,97 @@ namespace Guru
             }
             return false;
         }
+        
+        
+        
+        public DateTime GetSubscriptionExpireDate(string productName)
+        {
+            if(!IsInitialized) return DefaultSubscriptionDate;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo()?.getExpireDate() ?? DateTime.Now;
+            }
+            return DefaultSubscriptionDate;
+        }
+        
+        
+        public DateTime GetSubscriptionPurchaseDate(string productName)
+        {
+            if(!IsInitialized) return DefaultSubscriptionDate;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getPurchaseDate();
+            }
+            return DefaultSubscriptionDate;
+        }
+        
+        
+        public DateTime GetSubscriptionCancelDate(string productName)
+        {
+            if(!IsInitialized) return DefaultSubscriptionDate;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getCancelDate();
+            }
+            return DefaultSubscriptionDate;
+        }
+        
 
+        public TimeSpan GetSubscriptionRemainingTime(string productName)
+        {
+            if(!IsInitialized) return TimeSpan.Zero;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getRemainingTime();
+            }
+            return TimeSpan.Zero;
+        }
+        
+        public TimeSpan GetSubscriptionIntroductoryPricePeriod(string productName)
+        {
+            if(!IsInitialized) return TimeSpan.Zero;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getIntroductoryPricePeriod();
+            }
+            return TimeSpan.Zero;
+        }
+        
+        
+        public TimeSpan GetSubscriptionFreeTrialPeriod(string productName)
+        {
+            if(!IsInitialized) return TimeSpan.Zero;
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getFreeTrialPeriod();
+            }
+            return TimeSpan.Zero;
+        }
+        
+        public string GetSubscriptionInfoJsonString(string productName)
+        {
+            if(!IsInitialized) return "";
+            
+            var smgr = GetSubManager(productName);
+            if (smgr != null)
+            {
+                return smgr.getSubscriptionInfo().getSubscriptionInfoJsonString();
+            }
+            return "";
+        }
+        
         #endregion
     }
 
diff --git a/Runtime/GuruIAP/~Sample/MyIAPService.cs b/Runtime/GuruIAP/~Sample/MyIAPService.cs
index 04eecab..1892fe8 100644
--- a/Runtime/GuruIAP/~Sample/MyIAPService.cs
+++ b/Runtime/GuruIAP/~Sample/MyIAPService.cs
@@ -14,9 +14,9 @@ namespace Guru.Sample
             return 1;
         }
 
-        public override void Initialize(bool showLog = false)
+        public override void Initialize(string uid, bool showLog = false)
         {
-            base.Initialize(true);
+            base.Initialize(uid,true);
             InitGameProducts();
         }