diff --git a/CMLeonOS.csproj b/CMLeonOS.csproj
index 1f48f88..be5e211 100644
--- a/CMLeonOS.csproj
+++ b/CMLeonOS.csproj
@@ -26,7 +26,7 @@
         <RemoveBootDebugOutput>False</RemoveBootDebugOutput>
 		<CosmosDisableDebugger>true</CosmosDisableDebugger>
 		<CosmosDebugLevel>None</CosmosDebugLevel>
-		<OptimizationLevel>1</OptimizationLevel>
+		<OptimizationLevel>2</OptimizationLevel>
 		<VBEResolution>800x600x32</VBEResolution>
     </PropertyGroup>
 
diff --git a/shell/Commands/Info/Version.cs b/shell/Commands/Info/Version.cs
index bc82149..dcdfd79 100644
--- a/shell/Commands/Info/Version.cs
+++ b/shell/Commands/Info/Version.cs
@@ -10,6 +10,7 @@ namespace CMLeonOS.Commands
             Console.WriteLine($"Major: {Version.Major}");
             Console.WriteLine($"Minor: {Version.Minor}");
             Console.WriteLine($"Patch: {Version.Patch}");
+            Console.WriteLine($"Type: {Version.VersionType}");
             Console.WriteLine($"Full Version: {Version.FullVersion}");
         }
     }
diff --git a/shell/Shell.cs b/shell/Shell.cs
index 1b3b7df..e60d166 100644
--- a/shell/Shell.cs
+++ b/shell/Shell.cs
@@ -23,7 +23,7 @@ namespace CMLeonOS
 {
     public class Shell
     {
-        private string prompt = "/";
+        private string prompt = "#";
         private List<string> commandHistory = new List<string>();
         private FileSystem fileSystem;
         private UserSystem userSystem;
@@ -90,8 +90,15 @@ namespace CMLeonOS
                 // 显示当前文件夹路径作为提示符（彩色）
                 string currentPath = fileSystem.CurrentDirectory;
                 ConsoleColor originalColor = Console.ForegroundColor;
+                // Console.ForegroundColor = ConsoleColor.Cyan;
+                // Console.Write($"{currentPath} | {prompt}");
+                Console.ForegroundColor = ConsoleColor.Magenta;
+                Console.Write($"{currentPath}");
+                Console.ForegroundColor = ConsoleColor.White;
+                Console.Write($" | ");
                 Console.ForegroundColor = ConsoleColor.Cyan;
-                Console.Write($"{currentPath} | /");
+                Console.Write($"{prompt}");
+                
                 Console.ForegroundColor = originalColor;
                 var input = Console.ReadLine();
                 
diff --git a/utils/Version.cs b/utils/Version.cs
index c522b7c..0d14e3c 100644
--- a/utils/Version.cs
+++ b/utils/Version.cs
@@ -7,10 +7,11 @@ namespace CMLeonOS
         public static string Major = "1";
         public static string Minor = "0";
         public static string Patch = "0";
+        public static string VersionType = "PreRelease";
         
         public static string FullVersion
         {
-            get { return $"{Major}.{Minor}.{Patch}"; }
+            get { return $"{Major}.{Minor}.{Patch}-{VersionType}"; }
         }
         
         public static string ShortVersion
@@ -20,7 +21,7 @@ namespace CMLeonOS
         
         public static string DisplayVersion
         {
-            get { return $"CMLeonOS v{ShortVersion}"; }
+            get { return $"CMLeonOS v{ShortVersion} ({VersionType})"; }
         }
     }
 }