diff --git a/CHANGELOG.md b/CHANGELOG.md
index 673701c0..3191d168 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,17 @@
+**2017-02-15**
+
+最新版本v7.2.10，适用于.NET Framework 2.0+ , .NET Core 和 UWP
+
+移除：移除`Qiniu.IO.SimpleUploader`
+
+优化：部分细节优化
+
+更新：User-Agent格式为`SDK_ALIAS/SDK_VERSION (RUNTIME; OS_DECRIPTION)`
+
+更新：新增DLL文件签名
+
+* * *
+
 **2017-02-13**
 
 最新版本v7.2.9，适用于.NET Framework 2.0+ , .NET Core 和 UWP
diff --git a/README.en-US.md b/README.en-US.md
index 74592a1c..a323084a 100644
--- a/README.en-US.md
+++ b/README.en-US.md
@@ -10,15 +10,15 @@ This C# SDK is built based on Qiniu Cloud API (see below), and it can be used on
 
 You can have a better view of this SDK by checking the documnets given below:
 
-* [SDK-reference HTML Online](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.9/index.html)
+* [SDK-reference HTML Online](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.10/index.html)
 
-* [SDK-reference CHM Offline](http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.9.chm)
+* [SDK-reference CHM Offline](http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.10.chm)
 
 Want to know more about how to using this SDK? Are you trying to find some code examples based on this SDK? These documents or links below will be helpful:
 
 * [github/csharp-sdk-shared-examples](https://github.com/fengyhack/csharp-sdk-shared-examples)
 
-* [SDK manual | examples](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.9/index.html)
+* [SDK manual | examples](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.10/index.html)
 
 Or if you want to develop **UWP apps**, see example(s) given below.
 
diff --git a/README.md b/README.md
index cd09ed74..e5fe2ce2 100644
--- a/README.md
+++ b/README.md
@@ -10,15 +10,15 @@
 
 以下文档用于检索SDK接口、属性说明，它将有助于您理解SDK的结构。
 
-* [HTML在线浏览](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.9/index.html)
+* [HTML在线浏览](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.10/index.html)
 
-* [CHM文件下载](http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.9.chm)
+* [CHM文件下载](http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.10.chm)
 
 以下文档/链接提供一些基本示例，参考这些示例可以帮助您更快熟悉如何使用这套SDK。
 
 * [github | csharp-sdk-examples](https://github.com/fengyhack/csharp-sdk-examples)
 
-* [C# SDK使用指南 | 代码示例](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.9/index.html)
+* [C# SDK使用指南 | 代码示例](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.10/index.html)
 
 如果您想开发**UWP应用**，您也可以参考如下示例。
 
diff --git a/bin/qiniu-csharp-sdk-v7.2.10.zip b/bin/qiniu-csharp-sdk-v7.2.10.zip
new file mode 100644
index 00000000..a9e940a3
Binary files /dev/null and b/bin/qiniu-csharp-sdk-v7.2.10.zip differ
diff --git a/bin/qiniu-csharp-sdk-v7.2.9.zip b/bin/qiniu-csharp-sdk-v7.2.9.zip
deleted file mode 100644
index 87ae9ff9..00000000
Binary files a/bin/qiniu-csharp-sdk-v7.2.9.zip and /dev/null differ
diff --git a/doc/README.html b/doc/README.html
index 70964aa4..37a6e383 100644
--- a/doc/README.html
+++ b/doc/README.html
@@ -9,6 +9,33 @@
 
 <h1 id="qiniu-cloud-c-sdk">Qiniu (Cloud) C# SDK</h1>
 
+<div><div class="toc"><div class="toc">
+<ul>
+<li><a href="#关于">关于</a></li>
+<li><a href="#sdk文档">SDK文档</a></li>
+<li><a href="#如何安装">如何安装</a></li>
+<li><a href="#如何编译">如何编译</a></li>
+<li><a href="#api参考手册">API参考手册</a></li>
+<li><a href="#相关资源">相关资源</a></li>
+<li><a href="#贡献代码">贡献代码</a></li>
+<li><a href="#许可证">许可证</a></li>
+<li><a href="#附录">附录</a><ul>
+<li><a href="#速览net-core">速览.NET Core</a><ul>
+<li><a href="#1-创建">1. 创建</a></li>
+<li><a href="#2-发布">2. 发布</a></li>
+<li><a href="#3-执行">3. 执行</a></li>
+</ul>
+</li>
+<li><a href="#速览win10-uwp">速览Win10 UWP</a></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+</div>
+
 <h2 id="关于">关于</h2>
 
 <p>此 C# SDK 适用于.NET Framework 2.0+ , .NET Core 以及UWP(Windows 10 通用应用)，基于七牛云API参考手册构建。使用此 SDK 构建您的网络应用程序，能让您以非常便捷地方式将数据安全地存储到七牛云存储上。无论您的网络应用是一个网站程序，还是包括从云端（服务端程序）到终端（手持设备应用）的架构的服务或应用，通过七牛云存储及其 SDK，都能让您应用程序的终端用户高速上传和下载，同时也让您的服务端更加轻盈。</p>
@@ -19,14 +46,14 @@ <h2 id="sdk文档">SDK文档</h2>
 
 <p>以下文档用于检索SDK接口、属性说明，它将有助于您理解SDK的结构。</p>
 
-<ul><li><p><a href="http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.9/index.html" target="_blank">HTML在线浏览</a></p></li>
-<li><p><a href="http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.9.chm" target="_blank">CHM文件下载</a></p></li>
+<ul><li><p><a href="http://oiy037d6a.bkt.clouddn.com/csharp-sdk-ref-v7.2.10/index.html" target="_blank">HTML在线浏览</a></p></li>
+<li><p><a href="http://oiy037d6a.bkt.clouddn.com/QiniuCSharpSDK-Ref-v7.2.10.chm" target="_blank">CHM文件下载</a></p></li>
 </ul>
 
 <p>以下文档/链接提供一些基本示例，参考这些示例可以帮助您更快熟悉如何使用这套SDK。</p>
 
 <ul><li><p><a href="https://github.com/fengyhack/csharp-sdk-examples" target="_blank">github | csharp-sdk-examples</a></p></li>
-<li><p><a href="http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.9/index.html" target="_blank">C# SDK使用指南 | 代码示例</a></p></li>
+<li><p><a href="http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.10/index.html" target="_blank">C# SDK使用指南 | 代码示例</a></p></li>
 </ul>
 
 <p>如果您想开发<strong>UWP应用</strong>，您也可以参考如下示例。</p>
diff --git a/doc/README.pdf b/doc/README.pdf
index c89e0c2f..f18d889f 100644
Binary files a/doc/README.pdf and b/doc/README.pdf differ
diff --git a/src/Qiniu.NetCore/project.json b/src/Qiniu.NetCore/project.json
index 28510bb0..04660f4e 100644
--- a/src/Qiniu.NetCore/project.json
+++ b/src/Qiniu.NetCore/project.json
@@ -1,8 +1,8 @@
 {
-  "title": "Qiniu (Cloud) C# SDK v7.2.9 (.Net Core)",
+  "title": "Qiniu (Cloud) C# SDK v7.2.10 (.Net Core)",
   "copyright": "Copyright ©  2017",
-  "description": "Qiniu (Cloud) C# SDK v7.2.9 (.Net Core)",
-  "version": "7.2.9-0",
+  "description": "Qiniu (Cloud) C# SDK v7.2.10 (.Net Core)",
+  "version": "7.2.10-0",
   "dependencies": {
     "NETStandard.Library": "1.6.0",
     "Newtonsoft.Json": "9.0.1"
diff --git a/src/Qiniu.UnitTest/Properties/AssemblyInfo.cs b/src/Qiniu.UnitTest/Properties/AssemblyInfo.cs
index 85521c30..2dfb7121 100644
--- a/src/Qiniu.UnitTest/Properties/AssemblyInfo.cs
+++ b/src/Qiniu.UnitTest/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("7.2.9.0")]
-[assembly: AssemblyFileVersion("7.2.9.0")]
+[assembly: AssemblyVersion("7.2.10.0")]
+[assembly: AssemblyFileVersion("7.2.10.0")]
diff --git a/src/Qiniu.UnitTest/Qiniu.UnitTest.csproj b/src/Qiniu.UnitTest/Qiniu.UnitTest.csproj
index 3bb504cb..3fcb6d76 100644
--- a/src/Qiniu.UnitTest/Qiniu.UnitTest.csproj
+++ b/src/Qiniu.UnitTest/Qiniu.UnitTest.csproj
@@ -38,15 +38,15 @@
     <StartupObject />
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Newtonsoft.Json">
+    <Reference Include="nunit.framework, Version=3.6.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.6.0\lib\net40\nunit.framework.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="Qiniu">
       <HintPath>..\..\bin\net40\Qiniu.dll</HintPath>
     </Reference>
     <Reference Include="Newtonsoft.Json">
-      <HintPath>..\bin\net40\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="nunit.framework, Version=3.6.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\bin\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+      <HintPath>..\..\bin\net40\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core">
diff --git a/src/Qiniu/Http/HttpManager.cs b/src/Qiniu/Http/HttpManager.cs
index da894c03..301554a9 100644
--- a/src/Qiniu/Http/HttpManager.cs
+++ b/src/Qiniu/Http/HttpManager.cs
@@ -34,7 +34,7 @@ public HttpManager(bool allowAutoRedirect = false)
         public static string GetUserAgent()
         {
             string osDesc = Environment.OSVersion.Platform + "; " + Environment.OSVersion.Version;
-            return string.Format("{0}-{1}/{2} ({3})", QiniuCSharpSDK.ALIAS, QiniuCSharpSDK.RTFX, QiniuCSharpSDK.VERSION, osDesc);
+            return string.Format("{0}/{1} ({2}; {3})", QiniuCSharpSDK.ALIAS, QiniuCSharpSDK.VERSION, QiniuCSharpSDK.RTFX, osDesc);
         }
 
         /// <summary>
@@ -1356,7 +1356,7 @@ public static string GetUserAgent()
 #else
             string osDesc = "UNKNOWN";
 #endif
-            return string.Format("{0}-{1}/{2} ({3})", QiniuCSharpSDK.ALIAS, QiniuCSharpSDK.RTFX, QiniuCSharpSDK.VERSION, osDesc);
+            return string.Format("{0}/{1} ({2}; {3})", QiniuCSharpSDK.ALIAS, QiniuCSharpSDK.VERSION, QiniuCSharpSDK.RTFX, osDesc);
         }
 
         /// <summary>
diff --git a/src/Qiniu/IO/FormUploader.cs b/src/Qiniu/IO/FormUploader.cs
index 64a3b02e..7b1d26f4 100644
--- a/src/Qiniu/IO/FormUploader.cs
+++ b/src/Qiniu/IO/FormUploader.cs
@@ -76,9 +76,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token)
                 sbp1.AppendLine(token);
                 sbp1.AppendLine("--" + boundary);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -166,9 +164,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, Dic
                     sbp1.AppendLine("--" + boundary);
                 }
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -245,9 +241,7 @@ public HttpResult UploadData(byte[] data, string saveKey, string token)
                 sbp1.AppendLine(token);
                 sbp1.AppendLine("--" + boundary);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -324,9 +318,7 @@ public HttpResult UploadStream(Stream stream, string saveKey, string token)
                 sbp1.AppendLine(token);
                 sbp1.AppendLine("--" + boundary);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -426,9 +418,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                 sbp1.AppendLine(token);
                 sbp1.AppendLine(sep);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -507,9 +497,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     sbp1.AppendLine(sep);
                 }
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -605,9 +593,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile file, string saveKey,
                 sbp1.AppendLine(token);
                 sbp1.AppendLine(sep);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -686,9 +672,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile file, string saveKey,
                     sbp1.AppendLine(sep);
                 }
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -786,9 +770,7 @@ public async Task<HttpResult> UploadDataAsync(byte[] data, string saveKey, strin
                 sbp1.AppendLine(token);
                 sbp1.AppendLine(sep);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
@@ -857,9 +839,7 @@ public async Task<HttpResult> UploadStreamAsync(Stream stream, string saveKey, s
                 sbp1.AppendLine(token);
                 sbp1.AppendLine(sep);
 
-                // FIX 2017-02-09 https://github.com/qiniu/csharp-sdk/issues/140
-                string filename = Util.Hashing.CalcMD5(saveKey);
-                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename={0}", filename);
+                sbp1.AppendFormat("Content-Disposition: form-data; name=file; filename=\"{0}\"", saveKey);
                 sbp1.AppendLine();
                 sbp1.AppendLine();
 
diff --git a/src/Qiniu/IO/ResumableUploader.cs b/src/Qiniu/IO/ResumableUploader.cs
index 8c776c43..06632e3f 100644
--- a/src/Qiniu/IO/ResumableUploader.cs
+++ b/src/Qiniu/IO/ResumableUploader.cs
@@ -238,7 +238,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, str
                     ++index;
                 }
 
-                hr = mkfile(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = mkfile( saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -465,7 +465,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, str
                     }
                 }
 
-                hr = mkfile(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = mkfile(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -713,7 +713,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, str
                     ++index;
                 }
 
-                hr = mkfile(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = mkfile(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -970,7 +970,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, str
                     }
                 }
 
-                hr = mkfile(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = mkfile(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -1228,7 +1228,7 @@ public HttpResult UploadFile(string localFile, string saveKey, string token, str
                     }
                 }
 
-                hr = mkfile(fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
+                hr = mkfile(saveKey, fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -1755,7 +1755,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     ++index;
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -1982,7 +1982,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -2230,7 +2230,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     ++index;
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -2487,7 +2487,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -2745,7 +2745,7 @@ public async Task<HttpResult> UploadFileAsync(string localFile, string saveKey,
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -2971,7 +2971,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile localFile, string save
                     ++index;
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -3201,7 +3201,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile localFile, string save
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -3450,7 +3450,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile localFile, string save
                     ++index;
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -3710,7 +3710,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile localFile, string save
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -3971,7 +3971,7 @@ public async Task<HttpResult> UploadFileAsync(StorageFile localFile, string save
                     }
                 }
 
-                hr = await mkfileAsync(fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
+                hr = await mkfileAsync(saveKey, fileSize, saveKey, resumeInfo.Contexts, token, extraParams);
                 if (hr.Code != (int)HttpCode.OK)
                 {
                     result.Shadow(hr);
@@ -4368,6 +4368,45 @@ private HttpResult mkfile(long size, IList<string> contexts, string token)
             return result;
         }
 
+        /// <summary>
+        /// 根据已上传的所有分片数据创建文件，保存的文件名会自动生成
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">目标文件大小</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private HttpResult mkfile(string fileName, long size, IList<string> contexts, string token)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string url = string.Format("{0}/mkfile/{1}/fname/{2}", uploadHost, size, Base64.UrlSafeBase64Encode(fileName));
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = httpManager.PostText(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// 根据已上传的所有分片数据创建文件
         /// </summary>
@@ -4409,6 +4448,49 @@ private HttpResult mkfile(long size, string saveKey, IList<string> contexts, str
             return result;
         }
 
+        /// <summary>
+        /// 根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private HttpResult mkfile(string fileName, long size, string saveKey, IList<string> contexts, string token)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string fnameStr = string.Format("/fname/{0}", Base64.UrlSafeBase64Encode(fileName));
+
+                string url = string.Format("{0}/mkfile/{1}{2}{3}", uploadHost, size, keyStr, fnameStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = httpManager.PostText(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// 根据已上传的所有分片数据创建文件，可指定保存文件的MimeType
         /// </summary>
@@ -4451,7 +4533,7 @@ private HttpResult mkfile(long size, string saveKey, string mimeType, IList<stri
 
             return result;
         }
-
+        
         /// <summary>
         /// 根据已上传的所有分片数据创建文件
         /// </summary>
@@ -4550,6 +4632,116 @@ private HttpResult mkfile(long size, string saveKey, IList<string> contexts, str
             return result;
         }
 
+        /// <summary>
+        /// 根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <param name="extraParams">用户指定的额外参数</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private HttpResult mkfile(string fileName, long size, string saveKey, IList<string> contexts, string token, Dictionary<string, string> extraParams)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string fnameStr = string.Format("/fname/{0}", Base64.UrlSafeBase64Encode(fileName));                
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string paramStr = "";
+                if (extraParams != null && extraParams.Count > 0)
+                {
+                    StringBuilder sb = new StringBuilder();
+                    foreach (var kvp in extraParams)
+                    {
+                        sb.AppendFormat("/{0}/{1}", kvp.Key, kvp.Value);
+                    }
+
+                    paramStr = sb.ToString();
+                }
+
+                string url = string.Format("{0}/mkfile/{1}{2}{3}{4}", uploadHost, size, fnameStr, keyStr, paramStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = httpManager.PostText(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
+        /// <summary>
+        /// 根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="size">文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="mimeType">用户设置的文件MimeType</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <param name="extraParams">用户指定的额外参数</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private HttpResult mkfile(long size, string saveKey, string mimeType, IList<string> contexts, string token, Dictionary<string, string> extraParams)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string mimeTypeStr = string.Format("/mimeType/{0}", Base64.UrlSafeBase64Encode(mimeType));
+                string paramStr = "";
+                if (extraParams != null && extraParams.Count > 0)
+                {
+                    StringBuilder sb = new StringBuilder();
+                    foreach (var kvp in extraParams)
+                    {
+                        sb.AppendFormat("/{0}/{1}", kvp.Key, kvp.Value);
+                    }
+
+                    paramStr = sb.ToString();
+                }
+
+                string url = string.Format("{0}/mkfile/{1}{2}{3}{4}", uploadHost, size, keyStr, mimeTypeStr, paramStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = httpManager.PostText(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// 根据已上传的所有分片数据创建文件
         /// </summary>
@@ -4860,6 +5052,45 @@ private async Task<HttpResult> mkfileAsync(long size, IList<string> contexts, st
             return result;
         }
 
+        /// <summary>
+        /// [异步async]根据已上传的所有分片数据创建文件，保存的文件名会自动生成
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">目标文件大小</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private async Task<HttpResult> mkfileAsync(string fileName, long size, IList<string> contexts, string token)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string url = string.Format("{0}/mkfile/{1}/fname/{2}", uploadHost, size,Base64.UrlSafeBase64Encode(fileName));
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = await httpManager.PostTextAsync(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// [异步async]根据已上传的所有分片数据创建文件
         /// </summary>
@@ -4901,6 +5132,48 @@ private async Task<HttpResult> mkfileAsync(long size, string saveKey, IList<stri
             return result;
         }
 
+        /// <summary>
+        /// [异步async]根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">目标文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private async Task<HttpResult> mkfileAsync(string fileName, long size, string saveKey, IList<string> contexts, string token)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string fnameStr = string.Format("/fname/{0}", Base64.UrlSafeBase64Encode(fileName));
+                string url = string.Format("{0}/mkfile/{1}{2}{3}", uploadHost, size, keyStr,fnameStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = await httpManager.PostTextAsync(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// [异步async]根据已上传的所有分片数据创建文件，可指定保存文件的MimeType
         /// </summary>
@@ -5042,6 +5315,116 @@ private async Task<HttpResult> mkfileAsync(long size, string saveKey, IList<stri
             return result;
         }
 
+        /// <summary>
+        /// [异步async]根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="fileName">源文件名</param>
+        /// <param name="size">文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <param name="extraParams">用户指定的额外参数</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private async Task<HttpResult> mkfileAsync(string fileName, long size, string saveKey, IList<string> contexts, string token, Dictionary<string, string> extraParams)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string fnameStr = string.Format("/fname/{0}", Base64.UrlSafeBase64Encode(fileName));
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string paramStr = "";
+                if (extraParams != null && extraParams.Count > 0)
+                {
+                    StringBuilder sb = new StringBuilder();
+                    foreach (var kvp in extraParams)
+                    {
+                        sb.AppendFormat("/{0}/{1}", kvp.Key, kvp.Value);
+                    }
+
+                    paramStr = sb.ToString();
+                }
+
+                string url = string.Format("{0}/mkfile/{1}{2}{3}{4}", uploadHost, size, fnameStr, keyStr, paramStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = await httpManager.PostTextAsync(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
+        /// <summary>
+        /// [异步async]根据已上传的所有分片数据创建文件
+        /// </summary>
+        /// <param name="size">文件大小</param>
+        /// <param name="saveKey">要保存的文件名</param>
+        /// <param name="mimeType">用户设置的文件MimeType</param>
+        /// <param name="contexts">所有数据块的Context</param>
+        /// <param name="token">上传凭证</param>
+        /// <param name="extraParams">用户指定的额外参数</param>
+        /// <returns>此操作执行后的返回结果</returns>
+        private async Task<HttpResult> mkfileAsync(long size, string saveKey, string mimeType, IList<string> contexts, string token, Dictionary<string, string> extraParams)
+        {
+            HttpResult result = new HttpResult();
+
+            try
+            {
+                string mimeTypeStr = string.Format("/mimeType/{0}", Base64.UrlSafeBase64Encode(mimeType));
+                string keyStr = string.Format("/key/{0}", Base64.UrlSafeBase64Encode(saveKey));
+                string paramStr = "";
+                if (extraParams != null && extraParams.Count > 0)
+                {
+                    StringBuilder sb = new StringBuilder();
+                    foreach (var kvp in extraParams)
+                    {
+                        sb.AppendFormat("/{0}/{1}", kvp.Key, kvp.Value);
+                    }
+
+                    paramStr = sb.ToString();
+                }
+
+                string url = string.Format("{0}/mkfile/{1}{2}{3}{4}", uploadHost, size, mimeTypeStr, keyStr, paramStr);
+                string body = StringHelper.Join(contexts, ",");
+                string upToken = string.Format("UpToken {0}", token);
+
+                result = await httpManager.PostTextAsync(url, body, upToken);
+            }
+            catch (Exception ex)
+            {
+                StringBuilder sb = new StringBuilder();
+                sb.AppendFormat("[{0}] mkfile Error: ", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
+                Exception e = ex;
+                while (e != null)
+                {
+                    sb.Append(e.Message + " ");
+                    e = e.InnerException;
+                }
+                sb.AppendLine();
+
+                result.RefCode = (int)HttpCode.USER_EXCEPTION;
+                result.RefText += sb.ToString();
+            }
+
+            return result;
+        }
+
         /// <summary>
         /// [异步async]根据已上传的所有分片数据创建文件
         /// </summary>
diff --git a/src/Qiniu/IO/SimpleUploader.cs b/src/Qiniu/IO/SimpleUploader.cs
deleted file mode 100644
index 1dc16d39..00000000
--- a/src/Qiniu/IO/SimpleUploader.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-namespace Qiniu.IO
-{
-    /// <summary>
-    /// 将被废弃(请使用Qiniu.IO.FormUploader)
-    /// <see cref="FormUploader"/>
-    /// </summary>
-    [System.Obsolete("请使用\'Qiniu.IO.FormUploader\'")]
-    public class SimpleUploader:FormUploader
-    {
-        // 请参见FormUploader类
-    }
-}
diff --git a/src/Qiniu/Properties/AssemblyInfo.cs b/src/Qiniu/Properties/AssemblyInfo.cs
index 0dc08147..282cb22c 100644
--- a/src/Qiniu/Properties/AssemblyInfo.cs
+++ b/src/Qiniu/Properties/AssemblyInfo.cs
@@ -10,51 +10,57 @@
 
 #if Net20
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.NET 2.0)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.NET 2.0)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.NET 2.0)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.NET 2.0)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.NET 2.0)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.NET 2.0)")]
 
 #elif Net35
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.NET 3.5)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.NET 3.5)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.NET 3.5)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.NET 3.5)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.NET 3.5)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.NET 3.5)")]
+
+#elif JEDISYNC
+
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (JediSync-NET40)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (JediSync-NET40)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (JediSync-NET40)")]
 
 #elif Net40
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.0)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.0)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.0)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.0)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.0)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.0)")]
 
 #elif Net45
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.5)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.5)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.5)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.5)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.5)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.5)")]
 
 #elif Net46
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.6)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.6)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.NET 4.6)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.6)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.6)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.NET 4.6)")]
 
 #elif NetCore
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (.Net Core)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (.Net Core)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (.Net Core)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (.Net Core)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (.Net Core)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (.Net Core)")]
 
 #elif WINDOWS_UWP
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9 (Win10 UWP)")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9 (Win10 UWP)")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9 (Win10 UWP)")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10 (Win10 UWP)")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10 (Win10 UWP)")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10 (Win10 UWP)")]
 
 #else
 
-[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.9")]
-[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.9")]
-[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.9")]
+[assembly: AssemblyProduct("Qiniu (Cloud) C# SDK v7.2.10")]
+[assembly: AssemblyTitle("Qiniu (Cloud) C# SDK v7.2.10")]
+[assembly: AssemblyDescription("Qiniu (Cloud) C# SDK v7.2.10")]
 
 #endif
 
@@ -69,6 +75,6 @@
 [assembly: Guid("957cd434-8b12-46ce-980b-09ca26ed340d")]
 
 [assembly: AssemblyCopyright("Copyright ©  2017")]
-[assembly: AssemblyVersion("7.2.9")]
-[assembly: AssemblyFileVersion("7.2.9")]
+[assembly: AssemblyVersion("7.2.10")]
+[assembly: AssemblyFileVersion("7.2.10")]
 
diff --git a/src/Qiniu/Qiniu.Net20.csproj b/src/Qiniu/Qiniu.Net20.csproj
index 57191ba8..58bd1f81 100644
--- a/src/Qiniu/Qiniu.Net20.csproj
+++ b/src/Qiniu/Qiniu.Net20.csproj
@@ -40,8 +40,7 @@
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <PropertyGroup>
     <DelaySign>false</DelaySign>
@@ -56,7 +55,6 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -122,6 +120,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Packages.Net20.config" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/src/Qiniu/Qiniu.Net35.csproj b/src/Qiniu/Qiniu.Net35.csproj
index edf83246..9d36cbf1 100644
--- a/src/Qiniu/Qiniu.Net35.csproj
+++ b/src/Qiniu/Qiniu.Net35.csproj
@@ -40,8 +40,7 @@
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -57,7 +56,6 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CDN\Model\TimestampAntiLeechUrlRequest.cs" />
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -122,6 +120,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Packages.Net35.config" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/src/Qiniu/Qiniu.Net40.Travis.csproj b/src/Qiniu/Qiniu.Net40.Travis.csproj
index c45268f4..f39bb88e 100644
--- a/src/Qiniu/Qiniu.Net40.Travis.csproj
+++ b/src/Qiniu/Qiniu.Net40.Travis.csproj
@@ -52,7 +52,6 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
diff --git a/src/Qiniu/Qiniu.Net40.csproj b/src/Qiniu/Qiniu.Net40.csproj
index e8b0eb7e..87ac911f 100644
--- a/src/Qiniu/Qiniu.Net40.csproj
+++ b/src/Qiniu/Qiniu.Net40.csproj
@@ -40,8 +40,7 @@
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -62,7 +61,6 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CDN\Model\TimestampAntiLeechUrlRequest.cs" />
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -127,6 +125,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Packages.Net40.config" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/src/Qiniu/Qiniu.Net45.csproj b/src/Qiniu/Qiniu.Net45.csproj
index d7e3e288..e469e02b 100644
--- a/src/Qiniu/Qiniu.Net45.csproj
+++ b/src/Qiniu/Qiniu.Net45.csproj
@@ -40,8 +40,7 @@
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -58,7 +57,6 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CDN\Model\TimestampAntiLeechUrlRequest.cs" />
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -123,6 +121,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Packages.Net45.config" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/src/Qiniu/Qiniu.Net46.csproj b/src/Qiniu/Qiniu.Net46.csproj
index e188d71a..d73baeec 100644
--- a/src/Qiniu/Qiniu.Net46.csproj
+++ b/src/Qiniu/Qiniu.Net46.csproj
@@ -40,8 +40,7 @@
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>
   <PropertyGroup>
-    <AssemblyOriginatorKeyFile>
-    </AssemblyOriginatorKeyFile>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
@@ -58,7 +57,6 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CDN\Model\TimestampAntiLeechUrlRequest.cs" />
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -123,6 +121,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="..\Packages.Net46.config" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/src/Qiniu/Qiniu.NetCore.xproj b/src/Qiniu/Qiniu.NetCore.xproj
index d3d9f4e8..b82b51fd 100644
--- a/src/Qiniu/Qiniu.NetCore.xproj
+++ b/src/Qiniu/Qiniu.NetCore.xproj
@@ -78,5 +78,11 @@
   <PropertyGroup>
     <SchemaVersion>2.0</SchemaVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.targets" Condition="'$(VSToolsPath)' != ''" />
 </Project>
\ No newline at end of file
diff --git a/src/Qiniu/Qiniu.UWP.csproj b/src/Qiniu/Qiniu.UWP.csproj
index d8d1e684..48b586e9 100644
--- a/src/Qiniu/Qiniu.UWP.csproj
+++ b/src/Qiniu/Qiniu.UWP.csproj
@@ -120,7 +120,6 @@
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="CDN\Model\TimestampAntiLeechUrlRequest.cs" />
-    <Compile Include="IO\SimpleUploader.cs" />
     <Compile Include="QiniuCSharpSDK.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Common\Config.cs" />
@@ -186,6 +185,7 @@
   <ItemGroup>
     <!-- A reference to the entire .Net Framework and Windows SDK are automatically included -->
     <None Include="project.json" />
+    <None Include="QiniuCSharpSDK.snk" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="..\Qiniu.UWP\Qiniu.UWP.rd.xml">
@@ -195,6 +195,12 @@
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>QiniuCSharpSDK.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
   <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.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/src/Qiniu/QiniuCSharpSDK.cs b/src/Qiniu/QiniuCSharpSDK.cs
index 9517d5b9..658861bb 100644
--- a/src/Qiniu/QiniuCSharpSDK.cs
+++ b/src/Qiniu/QiniuCSharpSDK.cs
@@ -19,7 +19,7 @@ public class QiniuCSharpSDK
     /// <summary>
     /// 目标框架
     /// </summary>
- #if Net20
+#if Net20
     public const string RTFX = "NET20";
 #elif Net35
     public const string RTFX = "NET35";
@@ -40,6 +40,6 @@ public class QiniuCSharpSDK
     /// <summary>
     /// SDK版本号
     /// </summary>
-    public const string VERSION = "7.2.9";
+    public const string VERSION = "7.2.10";
 
 }
diff --git a/src/Qiniu/QiniuCSharpSDK.snk b/src/Qiniu/QiniuCSharpSDK.snk
deleted file mode 100644
index 62e27f1c..00000000
Binary files a/src/Qiniu/QiniuCSharpSDK.snk and /dev/null differ
diff --git a/src/ReadMe.txt b/src/ReadMe.txt
index 183b322f..cf1f6b62 100644
--- a/src/ReadMe.txt
+++ b/src/ReadMe.txt
@@ -1,3 +1,4 @@
+���Ƴ�QiniuCSharpSDK.snkǩ�������滻Ϊ���Լ���snk����pfx
 �������Qiniu.NetCore.sln����Qiniu.UWP.sln��
 ���Ƚ�Qiniu.NetCore����Qiniu.UWP���ļ����µ�project.json��project.lock.json������Qiniu�ļ�����
 ����ֻ����project.json�ļ�Ȼ��ִ��dotnet restore����
\ No newline at end of file