diff --git a/Runtime/Code/Model/GuruSDKModel.cs b/Runtime/Code/Model/GuruSDKModel.cs
index c4a930b..c65f581 100644
--- a/Runtime/Code/Model/GuruSDKModel.cs
+++ b/Runtime/Code/Model/GuruSDKModel.cs
@@ -1,5 +1,6 @@
 
-using UnityEngine.Networking;
+using System.Collections.Generic;
+using System.Linq;
 
 namespace Guru
 {
@@ -30,6 +31,8 @@ namespace Guru
         public int b_level = 0;
         public int b_play = 0;
         public int buy_count = 0;
+
+        public List<PurchasedProduct> purchased;
         //-------------- data ---------------
 
         private float _lastSavedTime = 0;
@@ -144,6 +147,8 @@ namespace Guru
             _totalPlayed = new BindableProperty<int>(b_play, OnPlayedChanged);
             _purchasedCount = new BindableProperty<int>(buy_count, OnPurchasedNumChanged);
             _uid = new BindableProperty<string>(uid, OnUidChanged);
+
+            purchased = new List<PurchasedProduct>(20);
         }
         
         /// <summary>
@@ -210,10 +215,73 @@ namespace Guru
 
         #endregion
 
+        #region 订单记录
+
+
+        public bool HasPurchasedProduct(string receipt)
+        {
+            if(purchased == null || purchased.Count == 0) return false;
+            return purchased.Exists(p => p.receipt == receipt);
+        }
+
+        /// <summary>
+        /// 添加已支付订单
+        /// </summary>
+        /// <param name="receipt"></param>
+        /// <param name="productName"></param>
+        /// <param name="productId"></param>
+        public void AddReceipt(string receipt, string productName, string productId, bool appleProductIsRestored = false)
+        {
+            if (purchased == null) purchased = new List<PurchasedProduct>(20);
+            if (!HasPurchasedProduct(receipt))
+            {
+                purchased.Add(new PurchasedProduct()
+                {
+                    receipt = receipt,
+                    productName = productName,
+                    productId = productId,
+                    appleProductIsRestored = appleProductIsRestored
+                });
+               Save();
+            }
+        }
+
+        public string[] GetReceipts(string productName)
+        {
+            int count = purchased?.Count ?? 0;
+            if (count == 0) count = 20;
+            if (purchased == null) purchased = new List<PurchasedProduct>(count);
+            var receipts = new List<string>(count);
+            receipts.AddRange(from purchasedProduct in purchased where purchasedProduct.productName == productName select purchasedProduct.receipt);
+            return receipts.ToArray();
+        }
+
+
+        public string[] GetReceiptsById(string productId)
+        {
+            int count = purchased?.Count ?? 0;
+            if (count == 0) count = 20;
+            if (purchased  == null) purchased = new List<PurchasedProduct>(count);
+            var receipts = new List<string>(count);
+            receipts.AddRange(from purchasedProduct in purchased where purchasedProduct.productId == productId select purchasedProduct.receipt);
+            return receipts.ToArray();
+        }
+        
+        
+
+        #endregion
+
+    }
+
+    [Serializable]
+    internal class PurchasedProduct
+    {
+        public string productName;
+        public string productId;
+        public string receipt;
+        public bool appleProductIsRestored;
     }
     
-    
-
 
 
 
diff --git a/Runtime/Code/SDK/GuruSDK.IAP.cs b/Runtime/Code/SDK/GuruSDK.IAP.cs
index 6422dfd..caf6709 100644
--- a/Runtime/Code/SDK/GuruSDK.IAP.cs
+++ b/Runtime/Code/SDK/GuruSDK.IAP.cs
@@ -30,6 +30,7 @@ namespace Guru
             GuruIAP.Instance.OnBuyStart += OnBuyStart;
             GuruIAP.Instance.OnBuyEnd += OnBuyEnd;
             GuruIAP.Instance.OnBuyFailed += OnBuyFailed;
+            GuruIAP.Instance.OnGetProductReceipt += OnGetReceipt;
             
             GuruIAP.Instance.InitWithKeys(googleKey, appleRootCerts, IsDebugMode);
         }
@@ -181,5 +182,16 @@ namespace Guru
         
         #endregion
 
+        #region Receipt
+
+
+        private static void OnGetReceipt(string productId, string receipt, bool appleProductIsRestored = false)
+        {
+            var productName = GetProductSettingById(productId).ProductName;
+            Model.AddReceipt(receipt, productName, productId, appleProductIsRestored);
+        }
+
+        #endregion
+
     }
 }
\ No newline at end of file