diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index d78a52c1..1fbe830f 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -1,4 +1,6 @@
-using System.Collections.Specialized;
+using CliWrap;
+using CliWrap.Buffered;
+using System.Collections.Specialized;
 using System.Diagnostics;
 using System.IO.Compression;
 using System.Net;
@@ -863,7 +865,32 @@ namespace ServiceLib.Common
             }
             else
             {
-                return Mono.Unix.Native.Syscall.geteuid() == 0;
+                var id = GetLinuxUserId().Result ?? "1000";
+                if (int.TryParse(id, out int userId))
+                {
+                    return userId == 0;
+                }
+                else
+                {
+                    return false;
+                }
+            }
+        }
+
+        private static async Task<string?> GetLinuxUserId()
+        {
+            try
+            {
+                var result = await Cli.Wrap("/bin/bash")
+                    .WithArguments(["-c", "id -u"])
+                    .WithValidation(CommandResultValidation.None)
+                    .ExecuteBufferedAsync();
+
+                return result.StandardOutput.ToString();
+            }
+            catch
+            {
+                return null;
             }
         }
 
diff --git a/v2rayN/ServiceLib/ServiceLib.csproj b/v2rayN/ServiceLib/ServiceLib.csproj
index ab44a0c9..3a598909 100644
--- a/v2rayN/ServiceLib/ServiceLib.csproj
+++ b/v2rayN/ServiceLib/ServiceLib.csproj
@@ -9,7 +9,6 @@
 
 	<ItemGroup>
 		<PackageReference Include="Downloader" Version="3.2.1" />
-		<PackageReference Include="Mono.Posix.NETStandard" Version="1.0.0" />
 		<PackageReference Include="ReactiveUI" Version="20.1.63" />
 		<PackageReference Include="ReactiveUI.Fody" Version="19.5.41" />
 		<PackageReference Include="sqlite-net-pcl" Version="1.9.172" />