diff --git a/Hi.Wpf.csproj b/Hi.Wpf.csproj
index 28c41e6..eefe2ec 100644
--- a/Hi.Wpf.csproj
+++ b/Hi.Wpf.csproj
@@ -9,10 +9,10 @@
     <AssemblyName>Hi.Wpf</AssemblyName>
     <RootNamespace>$(AssemblyName)</RootNamespace>
     <Description>
-			HiAPI samples for windows platform.
+			HiAPI wpf canvas.
 		</Description>
     <Configurations>Debug;Release</Configurations>
-    <VersionBuild>2</VersionBuild>
+    <VersionBuild>3</VersionBuild>
     <VersionPrefix>3.1.$(VersionBuild)</VersionPrefix>
     <PackageTags>HiAPI</PackageTags>
     <RuntimeIdentifiers>win-x64</RuntimeIdentifiers>