更新序列化头格式

Author: Jiang Yin

Libraries/GameFramework.dll

@@ -14,7 +14,7 @@ namespace UnityGameFramework.Runtime
     /// </summary>
     public sealed class DefaultSettingSerializer : GameFrameworkSerializer<DefaultSetting>
     {
-        private static readonly byte[] Header = new byte[] { (byte)'E', (byte)'L', (byte)'S' };
+        private static readonly byte[] Header = new byte[] { (byte)'G', (byte)'F', (byte)'S' };
 
         /// <summary>
         /// 初始化默认游戏配置序列化器的新实例。