diff --git a/.gitignore b/.gitignore
index 0bc82303..b0fbbd2e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,7 +19,7 @@ Thumbs.db
 *.cache
 *.ilk
 *.log
-[Bb]in
+#[Bb]in
 [Dd]ebug*/
 *.lib
 *.sbr
diff --git a/bin/json.net-v9.0.1-net40/Newtonsoft.Json.dll b/bin/json.net-v9.0.1-net40/Newtonsoft.Json.dll
new file mode 100644
index 00000000..20dae627
Binary files /dev/null and b/bin/json.net-v9.0.1-net40/Newtonsoft.Json.dll differ
diff --git a/bin/qiniu-csharp-sdk-v7.2.5.zip b/bin/qiniu-csharp-sdk-v7.2.5.zip
new file mode 100644
index 00000000..7b482782
Binary files /dev/null and b/bin/qiniu-csharp-sdk-v7.2.5.zip differ
diff --git a/src/Qiniu/Qiniu.Net40.Travis.csproj b/src/Qiniu/Qiniu.Net40.Travis.csproj
index 8367440b..afa13ee3 100644
--- a/src/Qiniu/Qiniu.Net40.Travis.csproj
+++ b/src/Qiniu/Qiniu.Net40.Travis.csproj
@@ -45,7 +45,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net40\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\bin\json.net-v9.0.1-net40\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System" />