diff --git a/BBWY.Client/APIServices/OneBoundAPIService.cs b/BBWY.Client/APIServices/OneBoundAPIService.cs
index a7a77013..a5898855 100644
--- a/BBWY.Client/APIServices/OneBoundAPIService.cs
+++ b/BBWY.Client/APIServices/OneBoundAPIService.cs
@@ -29,6 +29,7 @@ namespace BBWY.Client.APIServices
         {
             try
             {
+            https://api-gw.onebound.cn/1688/item_get/key=t5060712539&secret=20211103&num_iid=649560646832&lang=zh-CN&cache=no
                 var result = restApiService.SendRequest("https://api-gw.onebound.cn/", $"{platform}/item_get", $"key={key}&secret={secret}&num_iid={productId}&lang=zh-CN&cache=no", null, HttpMethod.Get, paramPosition: ParamPosition.Query, enableRandomTimeStamp: true);
                 if (result.StatusCode != System.Net.HttpStatusCode.OK)
                     throw new Exception($"{result.StatusCode} {result.Content}");
diff --git a/BBWY.Client/APIServices/PurchaseProductAPIService.cs b/BBWY.Client/APIServices/PurchaseProductAPIService.cs
index 86432de9..b6ecab86 100644
--- a/BBWY.Client/APIServices/PurchaseProductAPIService.cs
+++ b/BBWY.Client/APIServices/PurchaseProductAPIService.cs
@@ -2,6 +2,7 @@
 using BBWY.Client.Models;
 using BBWY.Common.Http;
 using BBWY.Common.Models;
+using Microsoft.Extensions.Caching.Memory;
 using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Concurrent;
@@ -16,15 +17,21 @@ namespace BBWY.Client.APIServices
     public class PurchaseProductAPIService : IDenpendency
     {
         private RestApiService restApiService;
+        private IMemoryCache memoryCache;
         private string oneBoundKey = "t5060712539";
         private string oneBoundSecret = "20211103";
-        private ConcurrentDictionary<string, (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)> productChaches;
+
+        private TimeSpan purchaseProductCacheTimeSpan;
+        //private TimeSpan _1688SessionIdTimeSpan;
+
+        //private ConcurrentDictionary<string, (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)> productChaches;
 
         private IDictionary<string, string> _1688ProductDetailRequestHeader;
 
-        public PurchaseProductAPIService(RestApiService restApiService)
+        public PurchaseProductAPIService(RestApiService restApiService, IMemoryCache memoryCache)
         {
             this.restApiService = restApiService;
+            this.memoryCache = memoryCache;
             _1688ProductDetailRequestHeader = new Dictionary<string, string>()
             {
                 { "Host","detail.1688.com"},
@@ -33,12 +40,14 @@ namespace BBWY.Client.APIServices
                 { "Accept-Encoding","gzip, deflate, br"},
                 { "Accept-Language","zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6"}
             };
-            productChaches = new ConcurrentDictionary<string, (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)>();
+            purchaseProductCacheTimeSpan = TimeSpan.FromDays(1);
+            //_1688SessionIdTimeSpan = TimeSpan.FromMinutes(10);
+            //productChaches = new ConcurrentDictionary<string, (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)>();
         }
 
         public (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)? GetProductInfo(Platform platform, string productId, string skuId, string purchaseProductId, PurchaseOrderMode priceMode, PurchaseProductAPIMode apiMode)
         {
-            if (productChaches.TryGetValue($"{purchaseProductId}_{priceMode}", out (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus) tuple))
+            if (memoryCache.TryGetValue<(Purchaser, IList<PurchaseSchemeProductSku>)>($"{purchaseProductId}_{priceMode}", out var tuple))
                 return tuple.Copy();
 
             (Purchaser purchaser, IList<PurchaseSchemeProductSku> purchaseSchemeProductSkus)? data = null;
@@ -57,7 +66,14 @@ namespace BBWY.Client.APIServices
             }
 
             if (data != null)
-                productChaches.TryAdd($"{purchaseProductId}_{priceMode}", data.Value);
+            {
+                try
+                {
+                    memoryCache.Set<(Purchaser, IList<PurchaseSchemeProductSku>)>($"{purchaseProductId}_{priceMode}", data.Value, purchaseProductCacheTimeSpan);
+                }
+                catch { }
+            }
+
             return data?.Copy();
         }
 
@@ -189,7 +205,7 @@ namespace BBWY.Client.APIServices
                     imageUrl = j.Value<string>("imageUrl")
                 }).ToList();
 
-                var price = jobject["data"]["1081181309582"]["data"]["priceModel"]["currentPrices"][0].Value<decimal>("price");
+                var firstPrice = jobject["data"]["1081181309582"]["data"]["priceModel"]["currentPrices"][0].Value<decimal>("price");
 
                 var purchaseSchemeProductSkus = new List<PurchaseSchemeProductSku>();
 
@@ -200,12 +216,14 @@ namespace BBWY.Client.APIServices
                     var matchName = name.Contains("&gt;") ? name.Substring(0, name.IndexOf("&gt;")) : name;
                     var value = jskuProperty.Value;
 
+                    var skuPrice = value.Value<decimal>("price");
+
                     purchaseSchemeProductSkus.Add(new PurchaseSchemeProductSku()
                     {
                         ProductId = productId,
                         SkuId = skuId,
                         PurchaseProductId = purchaseProductId,
-                        Price = price,
+                        Price = skuPrice == 0M ? firstPrice : skuPrice,
                         Title = name,
                         PurchaseSkuId = value.Value<string>("skuId"),
                         PurchaseSkuSpecId = value.Value<string>("specId"),
diff --git a/BBWY.Client/App.xaml.cs b/BBWY.Client/App.xaml.cs
index 7ad30a21..760a8ef5 100644
--- a/BBWY.Client/App.xaml.cs
+++ b/BBWY.Client/App.xaml.cs
@@ -75,6 +75,8 @@ namespace BBWY.Client
             {
                 AutomaticDecompression = System.Net.DecompressionMethods.GZip
             });
+            
+            serviceCollection.AddMemoryCache();
             serviceCollection.AddSingleton<RestApiService>();
             serviceCollection.AddSingleton(gl);
             serviceCollection.BatchRegisterServices(new Assembly[] { Assembly.Load("BBWY.Client") }, typeof(IDenpendency));
diff --git a/BBWY.Client/BBWY.Client.csproj b/BBWY.Client/BBWY.Client.csproj
index 36a7ead6..67503ccc 100644
--- a/BBWY.Client/BBWY.Client.csproj
+++ b/BBWY.Client/BBWY.Client.csproj
@@ -29,6 +29,7 @@
 
   <ItemGroup>
     <PackageReference Include="HandyControl" Version="3.3.0" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.28" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />