diff --git a/src/AppConfig.cs b/src/AppConfig.cs
new file mode 100644
index 0000000..c797177
--- /dev/null
+++ b/src/AppConfig.cs
@@ -0,0 +1,41 @@
+using Newtonsoft.Json;
+
+namespace YaeAchievement; 
+
+public class AppConfig {
+    
+    [JsonProperty(PropertyName = "location")]
+    public string? Location { get; set; }
+
+    private static AppConfig? _instance;
+    
+    private static readonly string FileName = Path.Combine(GlobalVars.AppPath, "conf.json");
+
+    public static string GamePath => _instance!.Location!;
+    
+    internal static void Load() {
+        if (File.Exists(FileName)) {
+            var text = File.ReadAllText(FileName);
+            _instance = JsonConvert.DeserializeObject<AppConfig>(text)!;
+        }
+        if (_instance?.Location == null || !Utils.CheckGamePathValid(_instance.Location)) {
+            var gameInstallPath = Utils.FindGamePathFromRegistry();
+            if (!string.IsNullOrEmpty(gameInstallPath)) {
+                Console.WriteLine($"自动读取到游戏路径: {gameInstallPath}");
+                Console.WriteLine($"如果确认路径无误，请按 Y ；若有误或需要自行选择，请按 N ");
+                var key = Console.ReadKey().Key;
+                gameInstallPath = key == ConsoleKey.Y ? gameInstallPath : Utils.SelectGameExecutable();
+            } else {
+                gameInstallPath = Utils.SelectGameExecutable();
+            }
+            _instance = new AppConfig {
+                Location = gameInstallPath
+            };
+            Save();
+        }
+    }
+    
+    public static void Save() {
+        File.WriteAllText(FileName, JsonConvert.SerializeObject(_instance!, Formatting.Indented));
+    }
+}
diff --git a/src/GlobalVars.cs b/src/GlobalVars.cs
index ebcf4ff..1210e0e 100644
--- a/src/GlobalVars.cs
+++ b/src/GlobalVars.cs
@@ -12,7 +12,6 @@ public static class GlobalVars {
     public static bool DebugProxy = false;
     public static bool CheckGamePath = true;
     public static bool UnexpectedExit = true;
-    public static string GamePath = null!;
     public static Version AppVersion = Assembly.GetEntryAssembly()!.GetName().Version!;
     public static readonly string AppPath = AppDomain.CurrentDomain.BaseDirectory;
     
@@ -21,6 +20,5 @@ public static class GlobalVars {
     public const string LibName = "YaeLib.dll";
     public const string PipeName = "YaeAchievementPipe";
     public const string BucketHost = "https://cn-cd-1259389942.file.myqcloud.com";
-    public const string ConfigFileName = "YaeAchievement.runtimeconfig.json";
     
 }