diff --git a/AutomaticUpdateVersionControl.txt b/AutomaticUpdateVersionControl.txt
index 9e5b93ac..6afaf40c 100644
--- a/AutomaticUpdateVersionControl.txt
+++ b/AutomaticUpdateVersionControl.txt
@@ -1 +1 @@
-1.7.3.0
+1.7.4.0
diff --git a/Ink Canvas/AssemblyInfo.cs b/Ink Canvas/AssemblyInfo.cs
index e41049a0..536f86e3 100644
--- a/Ink Canvas/AssemblyInfo.cs	
+++ b/Ink Canvas/AssemblyInfo.cs	
@@ -49,5 +49,5 @@ using System.Windows;
 // 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("1.7.3.0")]
-[assembly: AssemblyFileVersion("1.7.3.0")]
+[assembly: AssemblyVersion("1.7.4.0")]
+[assembly: AssemblyFileVersion("1.7.4.0")]
diff --git a/Ink Canvas/Properties/AssemblyInfo.cs b/Ink Canvas/Properties/AssemblyInfo.cs
index 53f5fc1e..aa9cd197 100644
--- a/Ink Canvas/Properties/AssemblyInfo.cs	
+++ b/Ink Canvas/Properties/AssemblyInfo.cs	
@@ -49,5 +49,5 @@ using System.Windows;
 // 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("1.7.3.0")]
-[assembly: AssemblyFileVersion("1.7.3.0")]
+[assembly: AssemblyVersion("1.7.4.0")]
+[assembly: AssemblyFileVersion("1.7.4.0")]
diff --git a/UpdateLog.md b/UpdateLog.md
index 3b3c7993..113718ba 100644
--- a/UpdateLog.md
+++ b/UpdateLog.md
@@ -31,3 +31,4 @@
 31. 改进白板时间显示
 32. 修复快速面板中的退出放映按钮
 33. 优化多墨迹卡顿问题
+34. 优化至单文件版本