diff --git a/BedrockLauncher.Core/BedrockLauncher.Core.csproj b/BedrockLauncher.Core/BedrockLauncher.Core.csproj
index 3940f15..4d0dc9a 100644
--- a/BedrockLauncher.Core/BedrockLauncher.Core.csproj
+++ b/BedrockLauncher.Core/BedrockLauncher.Core.csproj
@@ -20,11 +20,11 @@
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
-    <Version>2.0.3-dev</Version>
+    <Version>2.0.4-dev</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">
-    <Version>2.0.3</Version>
+    <Version>2.0.4</Version>
   </PropertyGroup>
 	
   <PropertyGroup>
diff --git a/BedrockLauncher.Core/Utils/ManifestEditor.cs b/BedrockLauncher.Core/Utils/ManifestEditor.cs
index 84875ad..8cef8cf 100644
--- a/BedrockLauncher.Core/Utils/ManifestEditor.cs
+++ b/BedrockLauncher.Core/Utils/ManifestEditor.cs
@@ -7,6 +7,7 @@
 using System.Text.RegularExpressions;
 using System.Xml.Linq;
 using BedrockLauncher.Core.BackGround;
+using BedrockLauncher.Core.VersionJsons;
 
 namespace BedrockLauncher.Core.Utils
 {
@@ -47,7 +48,8 @@ public async static Task<bool> EditManifest(string directory, string gameName, B
 					XElement application = applications?.Element(ns + "Application");
 					XElement extenElement = application?.Element(ns + "Extensions");
 					XElement identElement = package?.Element(ns + "Identity");
-					identElement.SetAttributeValue("Version", TimeBasedVersion.GetVersion());
+					string version = identElement?.Attribute("Version")?.Value;
+					identElement.SetAttributeValue("Version",VersionsHelper.GetNextVersion(new Version(version)));
 					extenElement.RemoveAll();
 					application.SetAttributeValue(desktop4 + "SupportsMultipleInstances", "true");
 					XElement? xElement = application.Element(uap + "VisualElements");
diff --git a/BedrockLauncher.Core/VersionJsons/VersionsHelper.cs b/BedrockLauncher.Core/VersionJsons/VersionsHelper.cs
index cea2dd3..65004bd 100644
--- a/BedrockLauncher.Core/VersionJsons/VersionsHelper.cs
+++ b/BedrockLauncher.Core/VersionJsons/VersionsHelper.cs
@@ -8,6 +8,48 @@ namespace BedrockLauncher.Core.VersionJsons;
 
 public static class VersionsHelper
 {
+	private static readonly object _lock = new object();
+	public static string GetNextVersion(Version currentVersion)
+	{
+		lock (_lock)
+		{
+
+			long ticks = DateTime.Now.Ticks;
+			int seed = (int)(ticks & 0xFFFFFFFF) ^ (int)(ticks >> 32) ^ Environment.TickCount;
+			Random rand = new Random(seed);
+			int sevenDigitNumber = rand.Next(1_000_000, 10_000_000);
+			string sevenDigitStr = sevenDigitNumber.ToString();
+
+
+			int[] positions = Enumerable.Range(0, 7).OrderBy(x => rand.Next()).Take(2).ToArray();
+			Array.Sort(positions);
+			int buildSuffix = int.Parse(sevenDigitStr[positions[0]].ToString() + sevenDigitStr[positions[1]]);
+
+
+			string originalBuildStr = currentVersion.Build.ToString();
+
+			string paddedBuild = originalBuildStr.PadRight(5, '0');
+			string buildPrefix = paddedBuild.Substring(0, 3);
+
+
+			string newBuildStr = buildPrefix + buildSuffix.ToString().PadLeft(2, '0');
+			int newBuild = int.Parse(newBuildStr);
+
+			if (newBuild > 65535) newBuild = newBuild % 65535;
+			if (newBuild == 0) newBuild = 1;
+
+
+			var remainingIndices = Enumerable.Range(0, 7).Except(positions).OrderBy(i => i).ToArray();
+			string revisionStr = new string(remainingIndices.Select(i => sevenDigitStr[i]).ToArray());
+			int revision = int.Parse(revisionStr);
+
+			if (revision > 65535) revision = revision % 65535;
+			if (revision == 0) revision = 1;
+
+
+			return $"{currentVersion.Major}.{currentVersion.Minor}.{newBuild}.{revision}";
+		}
+	}
 	/// <summary>
 	///     Asynchronously retrieves and deserializes a build database from the specified HTTP address(e.g. mcappx).
 	/// </summary>
diff --git a/CoreTest/InstallTest.cs b/CoreTest/InstallTest.cs
index d9bc7a9..4cfa086 100644
--- a/CoreTest/InstallTest.cs
+++ b/CoreTest/InstallTest.cs
@@ -24,19 +24,19 @@ public void Test()
 				}))),
 				Type = MinecraftBuildTypeVersion.UWP,
 				GameTypeVersion = MinecraftGameTypeVersion.Release,
-				InstallDstFolder = Path.GetFullPath("./Test7"),
-				GameName = "8899",
-				FileFullPath = @"D:\Windows11\Download\Microsoft.MinecraftUWP_0.140.1.0_x64__8wekyb3d8bbwe.Appx"
+				InstallDstFolder = Path.GetFullPath("./Test7829"),
+				GameName = "88991",
+				FileFullPath = @"D:\Windows11\Download\Microsoft.MinecraftUWP_1.7.100.0_x64__8wekyb3d8bbwe.Appx"
 			};
-			//bedrockCore.InstallPackageAsync(localGamePackageOptions).Wait();
-			var launchOptions = new LaunchOptions()
-			{
-				GameFolder = Path.GetFullPath("./Test7"),
-				GameType = MinecraftGameTypeVersion.Release,
-				MinecraftBuildType = MinecraftBuildTypeVersion.UWP,
-			};
-			var process = bedrockCore.LaunchGameAsync(launchOptions).Result;
-			Assert.IsNotNull(process);
+			bedrockCore.InstallPackageAsync(localGamePackageOptions).Wait();
+			//var launchOptions = new LaunchOptions()
+			//{
+			//	GameFolder = Path.GetFullPath("./Test78"),
+			//	GameType = MinecraftGameTypeVersion.Release,
+			//	MinecraftBuildType = MinecraftBuildTypeVersion.UWP,
+			//};
+			//var process = bedrockCore.LaunchGameAsync(launchOptions).Result;
+			//Assert.IsNotNull(process);
 		}
 	}
 }
diff --git a/CoreTest/VersionTest.cs b/CoreTest/VersionTest.cs
new file mode 100644
index 0000000..9be5655
--- /dev/null
+++ b/CoreTest/VersionTest.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using BedrockLauncher.Core.Utils;
+
+namespace CoreTest
+{
+	[TestClass]
+	public class VersionTest
+	{
+		
+
+		[TestMethod]
+		public void Test()
+		{
+			
+
+			for (long i = 0; i < 1000; i++)
+			{
+				
+				Console.WriteLine(VersionHelper.GetNextVersion(new Version("1.21.10006.0")));
+			}
+       	}	
+	}
+}