Update

Assets/Scripts/UI/LobbyController.cs

@@ -360,17 +360,10 @@ namespace Hallucinate.UI
             PlayerRef hostRef = PlayerRef.None;
             PlayerRef guestRef = PlayerRef.None;
 
-            foreach (var p in runner.ActivePlayers)
-            {
-                if (runner.IsPlayerServer(p))
-                {
-                    hostRef = p;
-                }
-                else
-                {
-                    guestRef = p;
-                }
-            }
+            // Trong Host Mode, chủ phòng luôn là người có PlayerId = 1
+            var sortedPlayers = runner.ActivePlayers.OrderBy(p => p.PlayerId).ToList();
+            if (sortedPlayers.Count > 0) hostRef = sortedPlayers[0];
+            if (sortedPlayers.Count > 1) guestRef = sortedPlayers[1];
 
             // Update Room Name for Guest
             if (runner.SessionInfo != null && runner.SessionInfo.Properties.TryGetValue("rn", out var rnProp))