diff --git a/v2rayN/v2rayN.Desktop/Common/AppBuilderExtension.cs b/v2rayN/v2rayN.Desktop/Common/AppBuilderExtension.cs
index 6e2e7b33..1b0bd8fa 100644
--- a/v2rayN/v2rayN.Desktop/Common/AppBuilderExtension.cs
+++ b/v2rayN/v2rayN.Desktop/Common/AppBuilderExtension.cs
@@ -1,68 +1,20 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.IO;
-using Avalonia;
-using Avalonia.Media;
-
-namespace v2rayN.Desktop.Common;
-
-public static class AppBuilderExtension
+public static AppBuilder WithFontByDefault(this AppBuilder appBuilder)
 {
-    public static AppBuilder WithFontByDefault(this AppBuilder appBuilder)
+    var fallbacks = new List<FontFallback>();
+
+    var notoSansSc = new FontFamily(Path.Combine(Global.AvaAssets, "Fonts#Noto Sans SC"));
+    fallbacks.Add(new FontFallback { FontFamily = notoSansSc });
+
+    if (OperatingSystem.IsLinux())
     {
-        var notoSansSc = new FontFamily(Path.Combine(Global.AvaAssets, "Fonts#Noto Sans SC"));
-
-        var fallbacks = new List<FontFallback>
+        fallbacks.Add(new FontFallback
         {
-            new() { FontFamily = notoSansSc }
-        };
-
-        if (OperatingSystem.IsLinux())
-        {
-            var emojiFamily = DetectLinuxEmojiFamily();
-            if (!string.IsNullOrWhiteSpace(emojiFamily))
-            {
-                fallbacks.Add(new FontFallback
-                {
-                    FontFamily = new FontFamily(emojiFamily)
-                });
-            }
-        }
-
-        return appBuilder.With(new FontManagerOptions
-        {
-            FontFallbacks = fallbacks.ToArray()
+            FontFamily = new FontFamily("Noto Color Emoji")
         });
     }
 
-    private static string? DetectLinuxEmojiFamily()
+    return appBuilder.With(new FontManagerOptions
     {
-        try
-        {
-            var psi = new ProcessStartInfo
-            {
-                FileName = "/bin/bash",
-                ArgumentList =
-                {
-                    "-c",
-                    "fc-match -f \"%{family[0]}\\n\" \"emoji\" | head -n 1"
-                },
-                RedirectStandardOutput = true,
-                RedirectStandardError = false,
-                UseShellExecute = false
-            };
-
-            using var p = Process.Start(psi);
-            if (p == null)
-                return null;
-
-            var output = p.StandardOutput.ReadToEnd().Trim();
-            return string.IsNullOrWhiteSpace(output) ? null : output;
-        }
-        catch
-        {
-            return null;
-        }
-    }
+        FontFallbacks = fallbacks.ToArray()
+    });
 }