diff --git a/Kernel.cs b/Kernel.cs
index 0507e83..9a4d4ad 100644
--- a/Kernel.cs
+++ b/Kernel.cs
@@ -33,17 +33,12 @@ namespace CMLeonOS
 
         // 创建全局CosmosVFS实例
         public static Sys.FileSystem.CosmosVFS fs = new Sys.FileSystem.CosmosVFS();
-
-        private Shell shell;
-        private UserSystem userSystem;
+        public static Shell shell;
+        public static UserSystem userSystem;
         
-        // 修复模式变量（硬编码，用于控制是否启用修复模式）
         public static bool FixMode = false;
-        
-        // 系统启动时间（用于uptime命令）
         public static DateTime SystemStartTime;
         
-        // 网络配置信息
         public static Cosmos.HAL.NetworkDevice NetworkDevice = null;
         public static string IPAddress = "Unknown";
         
diff --git a/UniLua/LuaOsLib.cs b/UniLua/LuaOsLib.cs
index 06bafef..0077645 100644
--- a/UniLua/LuaOsLib.cs
+++ b/UniLua/LuaOsLib.cs
@@ -13,6 +13,7 @@ namespace UniLua
 			{
 #if !UNITY_WEBPLAYER
 				new NameFuncPair("clock", 	OS_Clock),
+				new NameFuncPair("gethostname", OS_Gethostname),
 #endif
 			};
 
@@ -23,7 +24,14 @@ namespace UniLua
 #if !UNITY_WEBPLAYER
 		private static int OS_Clock( ILuaState lua )
 		{
-			lua.PushNumber(0); //TO PLUG
+			lua.PushNumber(0);
+			return 1;
+		}
+
+		private static int OS_Gethostname( ILuaState lua )
+		{
+			string hostname = CMLeonOS.Kernel.userSystem?.GetHostname() ?? "Not set";
+			lua.PushString(hostname);
 			return 1;
 		}
 #endif