From 9cada9d19d5a574dee17e2abe4c6ffa868ce5748 Mon Sep 17 00:00:00 2001
From: BruceChen <hi@brucec.cn>
Date: Sun, 29 Mar 2026 00:54:34 +0800
Subject: [PATCH] Refactor ConsoleIO and Program settings handling

- Updated ConsoleIO to allow writing to the console when Backend is null, improving error handling.
- Simplified settings write-back logic in Program.cs to ensure default settings are written correctly based on configuration results.
---
 MinecraftClient/ConsoleIO.cs |  4 ++--
 MinecraftClient/Program.cs   | 11 ++++-------
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/MinecraftClient/ConsoleIO.cs b/MinecraftClient/ConsoleIO.cs
index 485d5a90..8a77aaee 100644
--- a/MinecraftClient/ConsoleIO.cs
+++ b/MinecraftClient/ConsoleIO.cs
@@ -104,7 +104,7 @@ namespace MinecraftClient
         /// </summary>
         public static void WriteLine(string line)
         {
-            if (BasicIO)
+            if (BasicIO || Backend is null)
                 Console.WriteLine(line);
             else
                 Backend.WriteLine(line);
@@ -137,7 +137,7 @@ namespace MinecraftClient
                 {
                     str = str.Replace('\n', ' ');
                 }
-                if (BasicIO)
+                if (BasicIO || Backend is null)
                 {
                     if (BasicIO_NoColor)
                     {
diff --git a/MinecraftClient/Program.cs b/MinecraftClient/Program.cs
index 759e69ed..c0e7710d 100644
--- a/MinecraftClient/Program.cs
+++ b/MinecraftClient/Program.cs
@@ -161,14 +161,7 @@ namespace MinecraftClient
             }
 
             if (configResult.NeedWriteDefault)
-            {
                 Config.Main.Advanced.Language = Settings.GetDefaultGameLanguage();
-                WriteBackSettings(false);
-            }
-            else if (configResult.Success)
-            {
-                WriteBackSettings(true);
-            }
 
             if (!Config.Main.Advanced.EnableSentry)
                 _sentrySdk?.Dispose();
@@ -219,6 +212,8 @@ namespace MinecraftClient
 
             if (cfg.NeedWriteDefault)
             {
+                WriteBackSettings(false);
+
                 if (cfg.IsLegacyUpgrade)
                 {
                     ConsoleIO.WriteLineFormatted("§c" + Translations.mcc_use_new_config);
@@ -243,6 +238,8 @@ namespace MinecraftClient
             }
             else
             {
+                WriteBackSettings(true);
+
                 if (!Config.Main.Advanced.Language.StartsWith("en"))
                     ConsoleIO.WriteLine(string.Format(Translations.mcc_help_us_translate, Settings.TranslationProjectUrl));
             }