漏上传，补充

Assets/TcgEngine/Scripts/Menu/MainMenu.cs

@@ -21,6 +21,10 @@ namespace TcgEngine.UI
         public Text credits_txt;
         public AvatarUI avatar;
         public GameObject loader;
+        
+        [Header("xp")]
+        public Text level_text;
+        public Slider level_slider;
 
         [Header("UI")]
         public Text version_text;
@@ -51,6 +55,9 @@ namespace TcgEngine.UI
             version_text.text = "Version " + Application.version;
             deck_selector.onChange += OnChangeDeck;
 
+            level_text.text = "";
+            level_slider.value = 0f;
+
             if (Authenticator.Get().IsConnected())
                 AfterLogin();
             else
@@ -108,6 +115,10 @@ namespace TcgEngine.UI
                 username_txt.text = user.username;
                 credits_txt.text = GameUI.FormatNumber(user.coins);
                 
+                // xp
+                level_text.text = user.GetLevel().ToString();
+                level_slider.value = user.GetLevelProgress();
+                
                 AvatarData avatar = AvatarData.Get(user.avatar);
                 this.avatar.SetAvatar(avatar);