diff --git a/App.config b/App.config
index 8705f81..3847826 100644
--- a/App.config
+++ b/App.config
@@ -28,7 +28,7 @@
     </assemblyBinding>
   </runtime>
   <appSettings>
-    <add key="Version" value="2.4.10" />
+    <add key="Version" value="2.3.21" />
     <add key="GitHubUrl" value="https://github.com/Demo-Liu/GeekDesk" />
     <add key="GiteeUrl" value="https://gitee.com/demo_liu/GeekDesk/tree/master" />
     <add key="GitHubUpdateUrl" value="https://demo-liu.github.io/GeekDesk/Update.json" />
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index bee513c..1f3f085 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -49,5 +49,5 @@ using System.Windows;
 //可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
 //通过使用 "*"，如下所示:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.4.1.0")]
-[assembly: AssemblyFileVersion("2.4.1.0")]
+[assembly: AssemblyVersion("2.3.2.1")]
+[assembly: AssemblyFileVersion("2.3.2.1")]
diff --git a/Update.json b/Update.json
index 10e489a..7e8c1a2 100644
--- a/Update.json
+++ b/Update.json
@@ -1,9 +1,9 @@
 {
-	"title": "�汾����",
-	"subTitle": "V2.4.10",
+	"title": "GeekDesk�汾����",
+	"subTitle": "V2.3.21",
 	"msgTitle": "�������������",
-	"msg": "['���д��ڿ�Esc�˳�']",
+	"msg": "['���д��ڿ�Esc�˳�','�޸�һ����������BUG,����û��D�̵�������޷�������Ŀ','�޸���֪����']",
 	"githubUrl": "https://github.com/Demo-Liu/GeekDesk/releases",
 	"giteeUrl": "https://gitee.com/demo_liu/GeekDesk/releases",
-	"version": "2.4.10"
+	"version": "2.3.21"
 }
\ No newline at end of file