增加设置项MaxLoginAttempts（默认3）

BuildTime.txt

@@ -1 +1 @@
-2026-02-28 19:13:47
+2026-02-28 19:35:58

GitCommit.txt

@@ -1 +1 @@
-58df162
+c5fc081

Settings/Settings.cs

@@ -11,7 +11,8 @@ namespace CMLeonOS.Settings
         
         private static Dictionary<string, string> defaultSettings = new Dictionary<string, string>
         {
-            { "LoggerEnabled", "true" }
+            { "LoggerEnabled", "true" },
+            { "MaxLoginAttempts", "3" }
         };
 
         public static bool LoggerEnabled
@@ -31,6 +32,26 @@ namespace CMLeonOS.Settings
             }
         }
 
+        public static int MaxLoginAttempts
+        {
+            get
+            {
+                if (settings.TryGetValue("MaxLoginAttempts", out string value))
+                {
+                    if (int.TryParse(value, out int result))
+                    {
+                        return result;
+                    }
+                }
+                return 3;
+            }
+            set
+            {
+                settings["MaxLoginAttempts"] = value.ToString();
+                SaveSettings();
+            }
+        }
+
         public static void LoadSettings()
         {
             settings.Clear();

System/Process.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using Sys = Cosmos.System;
 

System/UserSystem.cs

@@ -6,6 +6,7 @@ using System.Text;
 using System.Threading;
 using Sys = Cosmos.System;
 using CMLeonOS.Logger;
+using CMLeonOS.Settings;
 
 namespace CMLeonOS
 {
@@ -25,6 +26,7 @@ namespace CMLeonOS
         public bool fixmode = Kernel.FixMode;
         private User currentLoggedInUser;
         private static CMLeonOS.Logger.Logger _logger = CMLeonOS.Logger.Logger.Instance;
+        private Dictionary<string, int> loginAttempts = new Dictionary<string, int>();
 
         public User CurrentLoggedInUser
         {
@@ -593,13 +595,37 @@ namespace CMLeonOS
 
             if (foundUser.Password != hashedInputPassword)
             {
+                string usernameLower = username.ToLower();
+                
+                if (!loginAttempts.ContainsKey(usernameLower))
+                {
+                    loginAttempts[usernameLower] = 0;
+                }
+                
+                loginAttempts[usernameLower]++;
+                int attempts = loginAttempts[usernameLower];
+                int maxAttempts = Settings.SettingsManager.MaxLoginAttempts;
+                
+                if (attempts >= maxAttempts)
+                {
+                    CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Red, global::System.ConsoleColor.Black);
+                    global::System.Console.SetCursorPosition(17, 24);
+                    global::System.Console.Write($"Maximum login attempts ({maxAttempts}) reached.  ");
+                    global::System.Console.SetCursorPosition(17, 25);
+                    global::System.Console.Write("Please restart to enter password again. ");
+                    global::System.Threading.Thread.Sleep(3000);
+                    Sys.Power.Reboot();
+                }
+                
                 CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Red, global::System.ConsoleColor.Black);
                 global::System.Console.SetCursorPosition(17, 24);
-                global::System.Console.Write("Invalid password.                           ");
+                global::System.Console.Write($"Invalid password. Attempts: {attempts}/{maxAttempts}  ");
                 global::System.Threading.Thread.Sleep(1000);
                 return false;
             }
 
+            loginAttempts.Remove(username.ToLower());
+
             CMLeonOS.UI.TUIHelper.SetColors(global::System.ConsoleColor.Green, global::System.ConsoleColor.Black);
             global::System.Console.SetCursorPosition(17, 24);
             global::System.Console.Write("Login successful!                           ");

shell/Commands/System/SettingsCommand.cs

@@ -58,6 +58,18 @@ namespace CMLeonOS.Commands
                         Console.WriteLine("Error: LoggerEnabled must be 'true' or 'false'");
                     }
                 }
+                else if (key.ToLower() == "maxloginattempts")
+                {
+                    if (int.TryParse(value, out int attempts) && attempts > 0)
+                    {
+                        SettingsManager.MaxLoginAttempts = attempts;
+                        Console.WriteLine($"MaxLoginAttempts set to {attempts}");
+                    }
+                    else
+                    {
+                        Console.WriteLine("Error: MaxLoginAttempts must be a positive integer");
+                    }
+                }
                 else
                 {
                     SettingsManager.SetSetting(key, value);