diff --git a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.cs b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.cs
index 9a1c387aa..687cdd5d3 100644
--- a/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.cs	
+++ b/Plain Craft Launcher 2/Modules/Minecraft/ModLaunch.cs	
@@ -28,6 +28,7 @@ namespace PCL;
 
 public static class ModLaunch
 {
+    public const string MesaLoaderWindowsVersion = "26.0.4";
 
     #region 预检测
 
@@ -2457,7 +2458,6 @@ private static string McLaunchArgumentsJvmOld(ModMinecraft.McInstance instance)
             Renderer = instanceRenderer - 1;
         else
             Renderer = Config.Launch.Renderer;
-        var MesaLoaderWindowsVersion = "25.3.5";
         var MesaLoaderWindowsTargetFile =
             Path.Combine(ModBase.PathPure, "mesa-loader-windows", MesaLoaderWindowsVersion, "Loader.jar");
 
@@ -2579,7 +2579,6 @@ private static string McLaunchArgumentsJvmNew(ModMinecraft.McInstance instance)
             Renderer = instanceRenderer - 1;
         else
             Renderer = Config.Launch.Renderer;
-        var MesaLoaderWindowsVersion = "25.3.5";
         var MesaLoaderWindowsTargetFile =
             Path.Combine(ModBase.PathPure, "mesa-loader-windows", MesaLoaderWindowsVersion, "Loader.jar");
 
diff --git a/Plain Craft Launcher 2/Modules/Minecraft/ModMinecraft.cs b/Plain Craft Launcher 2/Modules/Minecraft/ModMinecraft.cs
index 3ff50743e..b4ea78edc 100644
--- a/Plain Craft Launcher 2/Modules/Minecraft/ModMinecraft.cs	
+++ b/Plain Craft Launcher 2/Modules/Minecraft/ModMinecraft.cs	
@@ -3032,9 +3032,8 @@ public static List<DownloadFile> McLibNetFilesFromInstance(McInstance instance)
         }
 
         // 修改渲染器
-        var mesaLoaderWindowsVersion = "25.3.5";
         var mesaLoaderWindowsTargetFile =
-            Path.Combine(ModBase.PathPure, "mesa-loader-windows", mesaLoaderWindowsVersion, "Loader.jar");
+            Path.Combine(ModBase.PathPure, "mesa-loader-windows", ModLaunch.MesaLoaderWindowsVersion, "Loader.jar");
         var renderer = -1;
         if (McInstanceSelected is not null)
             renderer = Config.Instance.Renderer[McInstanceSelected?.PathInstance] - 1;
@@ -3044,7 +3043,7 @@ public static List<DownloadFile> McLibNetFilesFromInstance(McInstance instance)
         {
             var downloadAddress =
                 "https://mirrors.cloud.tencent.com/nexus/repository/maven-public/org/glavo/mesa-loader-windows/" +
-                mesaLoaderWindowsVersion + "/mesa-loader-windows-" + mesaLoaderWindowsVersion + "-" +
+                ModLaunch.MesaLoaderWindowsVersion + "/mesa-loader-windows-" + ModLaunch.MesaLoaderWindowsVersion + "-" +
                 (ModBase.Is32BitSystem ? "x86" : ModBase.IsArm64System ? "arm64" : "x64") + ".jar";
             result.Add(new DownloadFile(new[] { downloadAddress }, mesaLoaderWindowsTargetFile));
         }