diff --git a/Infrastructure/Cache/CacheContext.cs b/Infrastructure/Cache/CacheContext.cs
new file mode 100644
index 00000000..f063e6fe
--- /dev/null
+++ b/Infrastructure/Cache/CacheContext.cs
@@ -0,0 +1,44 @@
+// ***********************************************************************
+// Assembly         : Helper
+// Author           : yubaolee
+// Created          : 12-16-2016
+//
+// Last Modified By : yubaolee
+// Last Modified On : 12-21-2016
+// 使用微软默认带超时的Cache
+// File: CacheContext.cs
+// ***********************************************************************
+
+using System;
+using System.Web;
+
+namespace Infrastructure.Cache
+{
+    public class CacheContext : ICacheContext
+    {
+        private readonly System.Web.Caching.Cache _objCache = HttpRuntime.Cache;
+        public override T Get<T>(string key)
+        {
+            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
+            return (T) objCache[key];
+        }
+
+        public override bool Set<T>(string key, T t, DateTime expire)
+        {
+            var obj = Get<T>(key);
+            if (obj != null)
+            {
+                Remove(key);
+            }
+                
+            _objCache.Insert(key, t, null, expire, System.Web.Caching.Cache.NoSlidingExpiration);
+            return true;
+        }
+
+        public override bool Remove(string key)
+        {
+            _objCache.Remove(key);
+            return true;
+        }
+    }
+}
diff --git a/Infrastructure/Cache/CacheObj.cs b/Infrastructure/Cache/CacheObj.cs
deleted file mode 100644
index d1d59ac3..00000000
--- a/Infrastructure/Cache/CacheObj.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using System;
-
-namespace Helper.Cache
-{
-    [Serializable]
-    public class CacheObj<T>
-    {
-        public string key { get; set; }
-
-        public T Obj { get; set; }
-
-        public DateTime InvalidTime { get; set; }
-
-        public DateTime CreateTime { get; set; }
-    }
-}
\ No newline at end of file
diff --git a/Infrastructure/Cache/CacheProvider.cs b/Infrastructure/Cache/CacheProvider.cs
index 667eff5d..18c0255b 100644
--- a/Infrastructure/Cache/CacheProvider.cs
+++ b/Infrastructure/Cache/CacheProvider.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Globalization;
 
-namespace Helper.Cache
+namespace Infrastructure.Cache
 {
     /// <summary>
     /// 缓存工厂
diff --git a/Infrastructure/Cache/EnyimMemcachedContext.cs b/Infrastructure/Cache/EnyimMemcachedContext.cs
index 24e407b7..64640dcf 100644
--- a/Infrastructure/Cache/EnyimMemcachedContext.cs
+++ b/Infrastructure/Cache/EnyimMemcachedContext.cs
@@ -10,40 +10,29 @@
 // ***********************************************************************
 
 
+using System;
 using Enyim.Caching;
 using Enyim.Caching.Memcached;
 
-namespace Helper.Cache
+namespace Infrastructure.Cache
 {
     public sealed class EnyimMemcachedContext : ICacheContext
     {
-        private readonly MemcachedClient _memcachedClient = new MemcachedClient("memcached");
-
-        public override void Init()
-        {
-        }
+        private static readonly MemcachedClient _memcachedClient  = new MemcachedClient();
 
         public override T Get<T>(string key)
         {
             return _memcachedClient.Get<T>(key);
         }
 
-        public override bool Set<T>(string key, T t)
+        public override bool Set<T>(string key, T t, DateTime expire)
         {
-            return _memcachedClient.Store(StoreMode.Set, key, t);
+            return _memcachedClient.Store(StoreMode.Set, key, t, expire);
         }
 
         public override bool Remove(string key)
         {
             return _memcachedClient.Remove(key);
         }
-
-        public override void Dispose()
-        {
-            if (_memcachedClient != null)
-            {
-                _memcachedClient.Dispose();
-            }
-        }
     }
 }
\ No newline at end of file
diff --git a/Infrastructure/Cache/HttpApplicationContext.cs b/Infrastructure/Cache/HttpApplicationContext.cs
deleted file mode 100644
index 3913cf5b..00000000
--- a/Infrastructure/Cache/HttpApplicationContext.cs
+++ /dev/null
@@ -1,65 +0,0 @@
-// ***********************************************************************
-// Assembly         : Helper
-// Author           : Administrator
-// Created          : 09-21-2016
-//
-// Last Modified By : Administrator
-// Last Modified On : 11-09-2016
-// Contact : 
-// File: HttpApplicationContext.cs
-// ***********************************************************************
-
-
-using System;
-using System.Web;
-
-namespace Helper.Cache
-{
-    /// <summary>
-    /// 基于HttpApplication的存储
-    /// <para>李玉宝新增于2016-11-09 9:30:51</para>
-    /// </summary>
-    public sealed class HttpApplicationContext : ICacheContext
-    {
-
-        public override void Init()
-        {
-        }
-
-        public override T Get<T>(string key)
-        {
-            return (T) HttpContext.Current.Application[key];
-        }
-
-        public override bool Set<T>(string key, T t)
-        {
-            try
-            {
-                HttpContext.Current.Application[key] = t;
-                return true;
-            }
-            catch (Exception)
-            {
-                return false;
-            }
-        }
-
-        public override bool Remove(string key)
-        {
-            try
-            {
-                HttpContext.Current.Application[key] = null;
-                return true;
-            }
-            catch (Exception)
-            {
-                return false;
-            }
-        }
-
-        public override void Dispose()
-        {
-          
-        }
-    }
-}
\ No newline at end of file
diff --git a/Infrastructure/Cache/ICacheContext.cs b/Infrastructure/Cache/ICacheContext.cs
index a087c618..cbb3718b 100644
--- a/Infrastructure/Cache/ICacheContext.cs
+++ b/Infrastructure/Cache/ICacheContext.cs
@@ -1,24 +1,19 @@
 using System;
 
-namespace Helper.Cache
+namespace Infrastructure.Cache
 {
     /// <summary>
     /// 缓存接口
     /// </summary>
-    public abstract class ICacheContext : IDisposable
+    public abstract class ICacheContext 
     {
-        /// <summary>
-        /// 初始化缓存组件
-        /// </summary>
-        public abstract void Init();
-
         /// <summary>
         /// 获取缓存项
         /// </summary>
         /// <typeparam name="T">缓存对象类型</typeparam>
         /// <param name="key">键</param>
         /// <returns>缓存对象</returns>
-        public abstract T Get<T>(string key) where T : class;
+        public abstract T Get<T>(string key) ;
 
         /// <summary>
         /// 设置缓存项
@@ -27,7 +22,7 @@ namespace Helper.Cache
         /// <param name="key">键</param>
         /// <param name="t">缓存对象</param>
         /// <returns>true成功,false失败</returns>
-        public abstract bool Set<T>(string key, T t) where T : class;
+        public abstract bool Set<T>(string key, T t, DateTime expire);
 
         /// <summary>
         /// 移除一个缓存项
@@ -36,9 +31,5 @@ namespace Helper.Cache
         /// <returns>true成功,false失败</returns>
         public abstract bool Remove(string key);
 
-        /// <summary>
-        /// 释放缓存组件
-        /// </summary>
-        public abstract void Dispose();
     }
 }
\ No newline at end of file
diff --git a/Infrastructure/Cache/ObjCacheProvider.cs b/Infrastructure/Cache/ObjCacheProvider.cs
index 84c52d1c..127158fc 100644
--- a/Infrastructure/Cache/ObjCacheProvider.cs
+++ b/Infrastructure/Cache/ObjCacheProvider.cs
@@ -1,39 +1,34 @@
 // ***********************************************************************
-// Assembly         : OpenAuth.WebApi
-// Author           : yubaolee
-// Created          : 07-11-2016
+// Assembly         : Helper
+// Author           : Administrator
+// Created          : 12-21-2016
 //
-// Last Modified By : yubaolee
-// Last Modified On : 07-11-2016
+// Last Modified By : Administrator
+// Last Modified On : 12-22-2016
 // Contact : 
-// File: CacheObjService.cs
+// File: ObjCacheProvider.cs
 // ***********************************************************************
 
+
 using System;
 
-namespace Helper.Cache
+namespace Infrastructure.Cache
 {
     /// <summary>
-    /// 带超时结构的缓存
+    ///  缓存工厂实现
+    /// 这样做是方便换其他的缓存时（如memcachedContext）只换这一个地方即可
     /// </summary>
     public class ObjCacheProvider<T> : CacheProvider
     {
         public ObjCacheProvider()
         {
-            SetCacheInstance(new HttpApplicationContext());
+            SetCacheInstance(new CacheContext());
         }
 
-        public bool Create(string key, T val)
+        public bool Create(string key, T val, DateTime expire)
         {
-            var cacheobj = new CacheObj<T>
-            {
-                key = key,
-                InvalidTime = DateTime.Now.AddMinutes(5),
-                CreateTime = DateTime.Now,
-                Obj = val
-            };
             //设置缓存
-            return CacheContext.Set(key, cacheobj);
+            return CacheContext.Set<T>(key, val, expire);
         }
 
         /// <summary>
@@ -43,18 +38,7 @@ namespace Helper.Cache
         /// <param name="key">The key.</param>
         public T GetCache(string key)
         {
-            var cache = CacheContext.Get<CacheObj<T>>(key);
-            if (cache == null) return default(T);
-
-            if (cache.InvalidTime > DateTime.Now)
-            {
-                return cache.Obj;
-            }
-
-            //移除无效Session缓存
-            Remove(key);
-
-            return default(T);
+            return CacheContext.Get<T>(key);
         }
 
         public void Remove(string key)
diff --git a/Infrastructure/Infrastructure.csproj b/Infrastructure/Infrastructure.csproj
index e63e35da..c82cc7da 100644
--- a/Infrastructure/Infrastructure.csproj
+++ b/Infrastructure/Infrastructure.csproj
@@ -80,10 +80,9 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AutoMapperExt.cs" />
-    <Compile Include="Cache\CacheObj.cs" />
+    <Compile Include="Cache\CacheContext.cs" />
     <Compile Include="Cache\CacheProvider.cs" />
     <Compile Include="Cache\EnyimMemcachedContext.cs" />
-    <Compile Include="Cache\HttpApplicationContext.cs" />
     <Compile Include="Cache\ICacheContext.cs" />
     <Compile Include="Cache\ObjCacheProvider.cs" />
     <Compile Include="CookieHelper.cs" />
diff --git a/OpenAuth.App/OpenAuth.App.csproj b/OpenAuth.App/OpenAuth.App.csproj
index de7f4437..834eda2a 100644
--- a/OpenAuth.App/OpenAuth.App.csproj
+++ b/OpenAuth.App/OpenAuth.App.csproj
@@ -98,7 +98,6 @@
     <Compile Include="SSO\LoginResult.cs" />
     <Compile Include="SSO\SSOAuthAttribute.cs" />
     <Compile Include="SSO\UserAuthSession.cs" />
-    <Compile Include="SSO\UserAuthSessionService.cs" />
     <Compile Include="CommonApplyApp.cs" />
     <Compile Include="StockManagerApp.cs" />
     <Compile Include="UserManagerApp.cs" />
diff --git a/OpenAuth.App/SSO/AppInfoService.cs b/OpenAuth.App/SSO/AppInfoService.cs
index 90974a08..8cb7ce9c 100644
--- a/OpenAuth.App/SSO/AppInfoService.cs
+++ b/OpenAuth.App/SSO/AppInfoService.cs
@@ -1,6 +1,6 @@
 using System;
 using System.Linq;
-using Helper.Cache;
+using Infrastructure.Cache;
 
 namespace OpenAuth.App.SSO
 {
diff --git a/OpenAuth.App/SSO/AuthUtil.cs b/OpenAuth.App/SSO/AuthUtil.cs
index 5b180b8b..c156b5a0 100644
--- a/OpenAuth.App/SSO/AuthUtil.cs
+++ b/OpenAuth.App/SSO/AuthUtil.cs
@@ -150,7 +150,7 @@ namespace OpenAuth.App.SSO
             var token = GetToken();
             if (String.IsNullOrEmpty(token)) return true;
 
-            var requestUri = String.Format("/SSO/Login/Logout?token={0}&requestid={1}", token, "");
+            var requestUri = String.Format("/SSO/Check/Logout?token={0}&requestid={1}", token, "");
 
             try
             {
diff --git a/OpenAuth.App/SSO/SSOAuthAttribute.cs b/OpenAuth.App/SSO/SSOAuthAttribute.cs
index 3c019a06..9fda7e6b 100644
--- a/OpenAuth.App/SSO/SSOAuthAttribute.cs
+++ b/OpenAuth.App/SSO/SSOAuthAttribute.cs
@@ -23,7 +23,7 @@ namespace OpenAuth.App.SSO
                 token = request.QueryString[Token];
                 var cookie = new HttpCookie(Token, token)
                 {
-                    Expires = DateTime.Now.AddDays(1)
+                    Expires = DateTime.Now.AddDays(10)
                 };
                 filterContext.HttpContext.Response.Cookies.Add(cookie);
             }
diff --git a/OpenAuth.App/SSO/SSOAuthUtil.cs b/OpenAuth.App/SSO/SSOAuthUtil.cs
index 1b4ebee9..defba8c6 100644
--- a/OpenAuth.App/SSO/SSOAuthUtil.cs
+++ b/OpenAuth.App/SSO/SSOAuthUtil.cs
@@ -2,6 +2,7 @@ using System;
 using System.Web;
 using System.Web.Mvc;
 using Infrastructure;
+using Infrastructure.Cache;
 using OpenAuth.Domain;
 
 
@@ -55,14 +56,13 @@ namespace OpenAuth.App.SSO
                 {
                     UserName = model.UserName,
                     Token = Guid.NewGuid().ToString().GetHashCode().ToString("x"),
-                    InvalidTime = DateTime.Now.AddDays(1),
                     AppKey = model.AppKey,
                     CreateTime = DateTime.Now,
                     IpAddress = HttpContext.Current.Request.UserHostAddress
                 };
 
                 //����Session
-                new UserAuthSessionService().Create(currentSession);
+                new ObjCacheProvider<UserAuthSession>().Create(currentSession.Token, currentSession, DateTime.Now.AddDays(10));
 
                 result.Success = true;
                 result.ReturnUrl = appInfo.ReturnUrl;
diff --git a/OpenAuth.App/SSO/SSOController.cs b/OpenAuth.App/SSO/SSOController.cs
index 376d0007..0911556d 100644
--- a/OpenAuth.App/SSO/SSOController.cs
+++ b/OpenAuth.App/SSO/SSOController.cs
@@ -37,7 +37,7 @@ namespace OpenAuth.App.SSO
                 token = request.QueryString[Token];
                 var cookie = new HttpCookie(Token, token)
                 {
-                    Expires = DateTime.Now.AddDays(1)
+                    Expires = DateTime.Now.AddDays(10)
                 };
                 filterContext.HttpContext.Response.Cookies.Add(cookie);
             }
diff --git a/OpenAuth.App/SSO/UserAuthSession.cs b/OpenAuth.App/SSO/UserAuthSession.cs
index fb2a768a..914e176b 100644
--- a/OpenAuth.App/SSO/UserAuthSession.cs
+++ b/OpenAuth.App/SSO/UserAuthSession.cs
@@ -13,8 +13,6 @@ namespace OpenAuth.App.SSO
         
         public string IpAddress { get; set; }
 
-        public DateTime InvalidTime { get; set; }
-
         public DateTime CreateTime { get; set; }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.App/SSO/UserAuthSessionService.cs b/OpenAuth.App/SSO/UserAuthSessionService.cs
deleted file mode 100644
index 650246d5..00000000
--- a/OpenAuth.App/SSO/UserAuthSessionService.cs
+++ /dev/null
@@ -1,70 +0,0 @@
-// ***********************************************************************
-// Assembly         : OpenAuth.WebApi
-// Author           : yubaolee
-// Created          : 07-11-2016
-//
-// Last Modified By : yubaolee
-// Last Modified On : 07-11-2016
-// Contact : 
-// File: UserAuthSessionService.cs
-// ***********************************************************************
-
-using System;
-using Helper.Cache;
-using Infrastructure;
-
-namespace OpenAuth.App.SSO
-{
-    /// <summary>
-    /// 用户登录状态存储服务
-    /// <para>测试环境用的是基于http application的SessionContext</para>
-    /// <para>正式环境可以使用基于memcached的EnyimMemcachedContext</para>
-    /// </summary>
-    public class UserAuthSessionService : CacheProvider
-    {
-        public UserAuthSessionService()
-        {
-            SetCacheInstance(new HttpApplicationContext());
-        }
-
-        public bool Create(UserAuthSession model)
-        {
-            //设置缓存
-            return CacheContext.Set(model.Token, model);
-        }
-
-        public UserAuthSession Get(string token)
-        {
-            var sessionCacheItem = CacheContext.Get<UserAuthSession>(token);
-            return sessionCacheItem;
-        }
-
-        public bool GetCache(string token)
-        {
-            var cache = Get(token);
-            if (cache == null) return false;
-            LogHelper.Log(token
-                + "用户：" + cache.UserName
-                + "登陆有效时间：" + cache.InvalidTime);
-            if (cache.InvalidTime > DateTime.Now)
-            {
-                //延长
-                cache.InvalidTime = DateTime.Now.AddDays(1);
-                //设置缓存
-                CacheContext.Set(cache.Token, cache);
-
-                return true;
-            }
-
-            //移除无效Session缓存
-            Remove(token);
-
-            return false;
-        }
-
-        public void Remove(string token)
-        {
-            CacheContext.Remove(token);
-        }
-    }
-}
\ No newline at end of file
diff --git a/OpenAuth.WebApi/Areas/SSO/Controllers/CheckController.cs b/OpenAuth.WebApi/Areas/SSO/Controllers/CheckController.cs
index ad740b82..6c4cae1b 100644
--- a/OpenAuth.WebApi/Areas/SSO/Controllers/CheckController.cs
+++ b/OpenAuth.WebApi/Areas/SSO/Controllers/CheckController.cs
@@ -9,8 +9,10 @@
 // File: CheckController.cs
 // ***********************************************************************
 
+using System;
 using System.Web.Mvc;
 using Infrastructure;
+using Infrastructure.Cache;
 using OpenAuth.App;
 using OpenAuth.App.SSO;
 
@@ -24,6 +26,7 @@ namespace OpenAuth.WebApi.Areas.SSO.Controllers
     public class CheckController : Controller
     {
         private AuthorizeApp _app;
+        private ObjCacheProvider<UserAuthSession> _objCacheProvider = new ObjCacheProvider<UserAuthSession>();
         public CheckController()
         {
             _app = AutofacExt.GetFromFac<AuthorizeApp>();
@@ -31,7 +34,7 @@ namespace OpenAuth.WebApi.Areas.SSO.Controllers
 
         public bool GetStatus(string token = "", string requestid = "")
         {
-            if (new UserAuthSessionService().GetCache(token))
+            if (_objCacheProvider.GetCache(token) != null)
             {
                 return true;
             }
@@ -52,7 +55,7 @@ namespace OpenAuth.WebApi.Areas.SSO.Controllers
 
         public string GetUserName(string token, string requestid = "")
         {
-            var user = new UserAuthSessionService().Get(token);
+            var user = _objCacheProvider.GetCache(token);
             if (user != null)
             {
                 return user.UserName;
@@ -66,5 +69,19 @@ namespace OpenAuth.WebApi.Areas.SSO.Controllers
         {
             return JsonHelper.Instance.Serialize(SSOAuthUtil.Parse(request));
         }
+
+        [HttpPost]
+        public bool Logout(string token, string requestid)
+        {
+            try
+            {
+                _objCacheProvider.Remove(token);
+                return true;
+            }
+            catch (Exception)
+            {
+                return false;
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.WebApi/Areas/SSO/Controllers/LoginController.cs b/OpenAuth.WebApi/Areas/SSO/Controllers/LoginController.cs
index d84ac0f4..978fc26e 100644
--- a/OpenAuth.WebApi/Areas/SSO/Controllers/LoginController.cs
+++ b/OpenAuth.WebApi/Areas/SSO/Controllers/LoginController.cs
@@ -51,21 +51,5 @@ namespace OpenAuth.WebApi.Areas.SSO.Controllers
             TempData[AppInfo] = _appInfoService.Get(model.AppKey);
             return View(model);
         }
-
-
-
-        [HttpPost]
-        public bool Logout(string token, string requestid)
-        {
-            try
-            {
-                new UserAuthSessionService().Remove(token);
-                return true;
-            }
-            catch (Exception)
-            {
-                return false;
-            }
-        }
     }
 }
\ No newline at end of file
diff --git a/OpenAuth.WebApi/Web.config b/OpenAuth.WebApi/Web.config
index cff68bd2..b9375e36 100644
--- a/OpenAuth.WebApi/Web.config
+++ b/OpenAuth.WebApi/Web.config
@@ -8,11 +8,25 @@
     <section name="autofac" type="Autofac.Configuration.SectionHandler, Autofac.Configuration" />
     <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+  
+    <sectionGroup name="enyim.com">
+      <section name="memcached" type="Enyim.Caching.Configuration.MemcachedClientSection, Enyim.Caching"/>
+    </sectionGroup>
   </configSections>
+  
   <connectionStrings>
     <add name="OpenAuthDBContext" connectionString="Data Source=.;Initial Catalog=OpenAuthDB;Persist Security Info=True;User ID=sa;Password=000000;MultipleActiveResultSets=True" providerName="System.Data.SqlClient" />
     <!--<add name="OpenAuthDBContext" connectionString="server=127.0.0.1;user id=root;persistsecurityinfo=True;database=openauth;password=123456" providerName="MySql.Data.MySqlClient" />-->
   </connectionStrings>
+
+  <enyim.com>
+    <memcached protocol="Binary">
+      <servers>
+        <add address="127.0.0.1" port="11211"/>
+      </servers>
+    </memcached>
+  </enyim.com>
+  
   <appSettings>
     <add key="webpages:Version" value="3.0.0.0" />
     <add key="webpages:Enabled" value="false" />