diff --git a/build/OSharpNS.nuspec b/build/OSharpNS.nuspec
index a3a3bf04c..e93f76b94 100644
--- a/build/OSharpNS.nuspec
+++ b/build/OSharpNS.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
   <metadata>
     <id>OSharpNS</id>
-    <version>3.1.2-preview2.27</version>
+    <version>3.1.2-preview2.29</version>
     <title>OSharpFramework(.NETCoreApp3.1)</title>
     <authors>柳柳软件(66soft.net)</authors>
     <owners>柳柳软件(66soft.net)</owners>
@@ -15,11 +15,11 @@
     <tags>osharp osharpns</tags>
     <dependencies>
       <group targetFramework=".NETCoreApp3.1">
-        <dependency id="OSharpNS.Core" version="3.1.2-preview2.27" />
-        <dependency id="OSharpNS.EntityFrameworkCore" version="3.1.2-preview2.27" />
-        <dependency id="OSharpNS.AutoMapper" version="3.1.2-preview2.27" />
-        <dependency id="OSharpNS.AspNetCore" version="3.1.2-preview2.27" />
-        <dependency id="OSharpNS.Log4Net" version="3.1.2-preview2.27" />
+        <dependency id="OSharpNS.Core" version="3.1.2-preview2.29" />
+        <dependency id="OSharpNS.EntityFrameworkCore" version="3.1.2-preview2.29" />
+        <dependency id="OSharpNS.AutoMapper" version="3.1.2-preview2.29" />
+        <dependency id="OSharpNS.AspNetCore" version="3.1.2-preview2.29" />
+        <dependency id="OSharpNS.Log4Net" version="3.1.2-preview2.29" />
       </group>
     </dependencies>
   </metadata>
diff --git a/build/version.props b/build/version.props
index 2dfee15d6..6141c6102 100644
--- a/build/version.props
+++ b/build/version.props
@@ -3,7 +3,7 @@
     <VersionMain>3.1</VersionMain>
     <VersionPrefix>2</VersionPrefix>
     <VersionSuffix>-preview</VersionSuffix>
-    <VersionSuffixVersion>2.27</VersionSuffixVersion>
+    <VersionSuffixVersion>2.29</VersionSuffixVersion>
     <Version>$(VersionMain).$(VersionPrefix)$(VersionSuffix)$(VersionSuffixVersion)</Version>
     <AssemblyVersion>$(VersionMain).$(VersionPrefix)</AssemblyVersion>
     <FileVersion>$(VersionMain).$(VersionSuffixVersion)</FileVersion>