diff --git a/Ext.Direct.sln b/Ext.Direct.sln
index 5d34e35..233c63b 100644
--- a/Ext.Direct.sln
+++ b/Ext.Direct.sln
@@ -1,6 +1,6 @@
 
-Microsoft Visual Studio Solution File, Format Version 10.00
-# Visual Studio 2008
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Ext.Direct", "Ext.Direct\Ext.Direct.csproj", "{653B211D-FEFA-483B-A284-6431C8598ED4}"
 EndProject
 Global
diff --git a/Ext.Direct/ComplexObjectConverter.cs b/Ext.Direct/ComplexObjectConverter.cs
index 79d2d74..49ab089 100644
--- a/Ext.Direct/ComplexObjectConverter.cs
+++ b/Ext.Direct/ComplexObjectConverter.cs
@@ -16,7 +16,7 @@ public override bool CanConvert(Type objectType)
             return false;
         }
 
-        public override object ReadJson(JsonReader reader, Type objectType)
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue=null, JsonSerializer serializer=null)
         {
             if (reader.TokenType == JsonToken.StartArray)
                 return ReadArray(reader);
@@ -87,7 +87,7 @@ private object ReadObject(JsonReader reader)
             return null;
         }
 
-        public override void WriteJson(JsonWriter writer, object value)
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer=null)
         {
             throw new NotImplementedException();
         }
diff --git a/Ext.Direct/DirectProcessor.cs b/Ext.Direct/DirectProcessor.cs
index 82f7e6f..dce5be6 100644
--- a/Ext.Direct/DirectProcessor.cs
+++ b/Ext.Direct/DirectProcessor.cs
@@ -7,6 +7,7 @@
 using Newtonsoft.Json.Converters;
 using Newtonsoft.Json.Serialization;
 using Newtonsoft.Json.Linq;
+using System.Text.RegularExpressions;
 
 namespace Ext.Direct
 {
@@ -42,16 +43,29 @@ internal static DirectExecutionResponse Execute(DirectProvider provider, HttpReq
             {
                 UTF8Encoding encoding = new UTF8Encoding();
                 string json = encoding.GetString(httpRequest.BinaryRead(httpRequest.TotalBytes));
-                List<DirectRequest> requests = JsonConvert.DeserializeObject<List<DirectRequest>>(json);
-                if (requests.Count > 0)
+                /**************************************************************************************
+                 skygreen:解决bug:Self referencing loop
+                 参考:http://stackoverflow.com/questions/7397207/json-net-error-self-referencing-loop-detected-for-type
+                 **************************************************************************************/
+                if (substr_count(json,"data")>1)
                 {
-                    JArray raw = JArray.Parse(json);
-                    int i = 0;
-                    foreach (DirectRequest request in requests)
+                    List<DirectRequest> requests = JsonConvert.DeserializeObject<List<DirectRequest>>(json);
+                    if (requests.Count > 0)
                     {
-                        request.RequestData = (JObject) raw[i];
+                        JArray raw = JArray.Parse(json);
+                        int i = 0;
+                        foreach (DirectRequest request in requests)
+                        {
+                            request.RequestData = (JObject)raw[i];
+                            responses.Add(DirectProcessor.ProcessRequest(provider, request));
+                            ++i;
+                        }
+                    }
+                    else
+                    {
+                        DirectRequest request = JsonConvert.DeserializeObject<DirectRequest>(json);
+                        request.RequestData = JObject.Parse(json);
                         responses.Add(DirectProcessor.ProcessRequest(provider, request));
-                        ++i;
                     }
                 }
                 else
@@ -62,7 +76,11 @@ internal static DirectExecutionResponse Execute(DirectProvider provider, HttpReq
                 }
             }
             DirectExecutionResponse response = new DirectExecutionResponse();
-            JsonSerializerSettings outputSettings = new JsonSerializerSettings() { DefaultValueHandling = DefaultValueHandling.Ignore };
+
+            JsonSerializerSettings outputSettings = new JsonSerializerSettings() { 
+                DefaultValueHandling = DefaultValueHandling.Ignore,
+                ReferenceLoopHandling =ReferenceLoopHandling.Ignore
+            };
             foreach (JsonConverter converter in converters)
             {
                 outputSettings.Converters.Add(converter);
@@ -80,6 +98,41 @@ internal static DirectExecutionResponse Execute(DirectProvider provider, HttpReq
             return response;
         }
 
+        /// <summary>
+        ///  计算字符串出现的次数
+        /// </summary>
+        /// <param name="haystack">必需。规定要检查的字符串。</param>
+        /// <param name="needle">要搜索的字符串</param>
+        /// <param name="type">查找方式，默认0:正则表达式方式,这种方式如果子字符串有特殊符号不推荐用；其他:标准的查找子字符串的方式</param>
+        /// <returns></returns>
+        public static int substr_count(string haystack, string needle,int type=0)
+        {
+            
+            int count = 0;
+            if (type == 0)
+            {
+                if (haystack != String.Empty && needle != String.Empty)
+                {
+                    MatchCollection mc = Regex.Matches(haystack, needle);
+                    count = mc.Count;
+                }
+            }
+            else
+            {
+                for (int i = 0; i < haystack.Length; i++)
+                {
+                    for (int j = 1; j <= (haystack.Length - i); j++)
+                    {
+                        if (haystack.Substring(i, j) == needle)
+                        {
+                            count++;
+                        }
+                    }
+                }
+            }
+            return count;
+        }
+
         private static DirectResponse ProcessRequest(DirectProvider provider, DirectRequest request)
         {
             DirectResponse r = new DirectResponse(request);
diff --git a/Ext.Direct/Ext.Direct.csproj b/Ext.Direct/Ext.Direct.csproj
index cbac143..43fdc5e 100644
--- a/Ext.Direct/Ext.Direct.csproj
+++ b/Ext.Direct/Ext.Direct.csproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,8 +10,29 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Ext.Direct</RootNamespace>
     <AssemblyName>Ext.Direct</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <FileUpgradeFlags>
+    </FileUpgradeFlags>
+    <UpgradeBackupLocation>
+    </UpgradeBackupLocation>
+    <OldToolsVersion>3.5</OldToolsVersion>
+    <TargetFrameworkProfile />
+    <PublishUrl>publish\</PublishUrl>
+    <Install>true</Install>
+    <InstallFrom>Disk</InstallFrom>
+    <UpdateEnabled>false</UpdateEnabled>
+    <UpdateMode>Foreground</UpdateMode>
+    <UpdateInterval>7</UpdateInterval>
+    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+    <UpdatePeriodically>false</UpdatePeriodically>
+    <UpdateRequired>false</UpdateRequired>
+    <MapFileExtensions>true</MapFileExtensions>
+    <ApplicationRevision>0</ApplicationRevision>
+    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <IsWebBootstrapper>false</IsWebBootstrapper>
+    <UseApplicationTrust>false</UseApplicationTrust>
+    <BootstrapperEnabled>true</BootstrapperEnabled>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -21,6 +42,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -29,11 +51,12 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=3.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\..\newton\Bin\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\Betterlife.Net\Library\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core">
@@ -72,6 +95,18 @@
     <Compile Include="Attributes\ParseAsJsonAttribute.cs" />
     <Compile Include="ResultConverter.cs" />
   </ItemGroup>
+  <ItemGroup>
+    <BootstrapperPackage Include="Microsoft.Net.Client.3.5">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1 Client Profile</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Ext.Direct/ResultConverter.cs b/Ext.Direct/ResultConverter.cs
index bde96c0..91011e3 100644
--- a/Ext.Direct/ResultConverter.cs
+++ b/Ext.Direct/ResultConverter.cs
@@ -14,13 +14,13 @@ public override bool CanConvert(Type objectType)
             return objectType.IsSubclassOf(typeof(JContainer));
         }
 
-        public override object ReadJson(JsonReader reader, Type objectType)
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue = null, JsonSerializer serializer = null)
         {
             //no custom reading here
             throw new NotImplementedException();
         }
 
-        public override void WriteJson(JsonWriter writer, object value)
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer = null)
         {
             JContainer o = value as JContainer;
             if (o != null)
diff --git a/Ext.Direct/bin/Debug/Ext.Direct.dll b/Ext.Direct/bin/Debug/Ext.Direct.dll
index 3de6fe7..98b5d45 100644
Binary files a/Ext.Direct/bin/Debug/Ext.Direct.dll and b/Ext.Direct/bin/Debug/Ext.Direct.dll differ
diff --git a/Ext.Direct/bin/Debug/Ext.Direct.pdb b/Ext.Direct/bin/Debug/Ext.Direct.pdb
index 93b377f..e728e12 100644
Binary files a/Ext.Direct/bin/Debug/Ext.Direct.pdb and b/Ext.Direct/bin/Debug/Ext.Direct.pdb differ
diff --git a/Ext.Direct/bin/Debug/Newtonsoft.Json.dll b/Ext.Direct/bin/Debug/Newtonsoft.Json.dll
index 1212785..6645d63 100644
Binary files a/Ext.Direct/bin/Debug/Newtonsoft.Json.dll and b/Ext.Direct/bin/Debug/Newtonsoft.Json.dll differ
diff --git a/Ext.Direct/bin/Release/Ext.Direct.dll b/Ext.Direct/bin/Release/Ext.Direct.dll
index 5ac0615..c199158 100644
Binary files a/Ext.Direct/bin/Release/Ext.Direct.dll and b/Ext.Direct/bin/Release/Ext.Direct.dll differ
diff --git a/Ext.Direct/bin/Release/Ext.Direct.pdb b/Ext.Direct/bin/Release/Ext.Direct.pdb
index 6f1b274..3332f43 100644
Binary files a/Ext.Direct/bin/Release/Ext.Direct.pdb and b/Ext.Direct/bin/Release/Ext.Direct.pdb differ
diff --git a/Ext.Direct/bin/Release/Newtonsoft.Json.dll b/Ext.Direct/bin/Release/Newtonsoft.Json.dll
index 1212785..6645d63 100644
Binary files a/Ext.Direct/bin/Release/Newtonsoft.Json.dll and b/Ext.Direct/bin/Release/Newtonsoft.Json.dll differ
diff --git a/Ext.Direct/obj/Debug/Ext.Direct.csproj.FileListAbsolute.txt b/Ext.Direct/obj/Debug/Ext.Direct.csproj.FileListAbsolute.txt
index 41bacba..55ab466 100644
--- a/Ext.Direct/obj/Debug/Ext.Direct.csproj.FileListAbsolute.txt
+++ b/Ext.Direct/obj/Debug/Ext.Direct.csproj.FileListAbsolute.txt
@@ -4,3 +4,9 @@ D:\Real\Ext.Direct\Ext.Direct\bin\Debug\Newtonsoft.Json.dll
 D:\Real\Ext.Direct\Ext.Direct\obj\Debug\ResolveAssemblyReference.cache
 D:\Real\Ext.Direct\Ext.Direct\obj\Debug\Ext.Direct.dll
 D:\Real\Ext.Direct\Ext.Direct\obj\Debug\Ext.Direct.pdb
+C:\Net\Ext.Direct\Ext.Direct\bin\Debug\Ext.Direct.dll
+C:\Net\Ext.Direct\Ext.Direct\bin\Debug\Ext.Direct.pdb
+C:\Net\Ext.Direct\Ext.Direct\bin\Debug\Newtonsoft.Json.dll
+C:\Net\Ext.Direct\Ext.Direct\obj\Debug\Ext.Direct.csprojResolveAssemblyReference.cache
+C:\Net\Ext.Direct\Ext.Direct\obj\Debug\Ext.Direct.dll
+C:\Net\Ext.Direct\Ext.Direct\obj\Debug\Ext.Direct.pdb
diff --git a/Ext.Direct/obj/Debug/Ext.Direct.dll b/Ext.Direct/obj/Debug/Ext.Direct.dll
index 3de6fe7..98b5d45 100644
Binary files a/Ext.Direct/obj/Debug/Ext.Direct.dll and b/Ext.Direct/obj/Debug/Ext.Direct.dll differ
diff --git a/Ext.Direct/obj/Debug/Ext.Direct.pdb b/Ext.Direct/obj/Debug/Ext.Direct.pdb
index 93b377f..e728e12 100644
Binary files a/Ext.Direct/obj/Debug/Ext.Direct.pdb and b/Ext.Direct/obj/Debug/Ext.Direct.pdb differ
diff --git a/Ext.Direct/obj/Release/Ext.Direct.csproj.FileListAbsolute.txt b/Ext.Direct/obj/Release/Ext.Direct.csproj.FileListAbsolute.txt
index d853b2a..a4779e9 100644
--- a/Ext.Direct/obj/Release/Ext.Direct.csproj.FileListAbsolute.txt
+++ b/Ext.Direct/obj/Release/Ext.Direct.csproj.FileListAbsolute.txt
@@ -4,3 +4,15 @@ D:\Real\Ext.Direct\Ext.Direct\bin\Release\Newtonsoft.Json.dll
 D:\Real\Ext.Direct\Ext.Direct\obj\Release\ResolveAssemblyReference.cache
 D:\Real\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.dll
 D:\Real\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.pdb
+E:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.dll
+E:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.pdb
+E:\Net\Ext.Direct\Ext.Direct\bin\Release\Ext.Direct.dll
+E:\Net\Ext.Direct\Ext.Direct\bin\Release\Ext.Direct.pdb
+E:\Net\Ext.Direct\Ext.Direct\bin\Release\Newtonsoft.Json.dll
+E:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.csprojResolveAssemblyReference.cache
+C:\Net\Ext.Direct\Ext.Direct\bin\Release\Ext.Direct.dll
+C:\Net\Ext.Direct\Ext.Direct\bin\Release\Ext.Direct.pdb
+C:\Net\Ext.Direct\Ext.Direct\bin\Release\Newtonsoft.Json.dll
+C:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.csprojResolveAssemblyReference.cache
+C:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.dll
+C:\Net\Ext.Direct\Ext.Direct\obj\Release\Ext.Direct.pdb
diff --git a/Ext.Direct/obj/Release/Ext.Direct.dll b/Ext.Direct/obj/Release/Ext.Direct.dll
index 5ac0615..c199158 100644
Binary files a/Ext.Direct/obj/Release/Ext.Direct.dll and b/Ext.Direct/obj/Release/Ext.Direct.dll differ
diff --git a/Ext.Direct/obj/Release/Ext.Direct.pdb b/Ext.Direct/obj/Release/Ext.Direct.pdb
index 6f1b274..3332f43 100644
Binary files a/Ext.Direct/obj/Release/Ext.Direct.pdb and b/Ext.Direct/obj/Release/Ext.Direct.pdb differ