diff --git a/Assets/Scripts/GameManager.cs b/Assets/Scripts/GameManager.cs
index 5dc225a..bc2dd8c 100644
--- a/Assets/Scripts/GameManager.cs
+++ b/Assets/Scripts/GameManager.cs
@@ -282,17 +282,9 @@ private void JoinRoom(Action callback_OnRoomJoined)
     public void StartGame()
     {
         // send Start Game
-        string JSON = JsonUtility.ToJson(myRoom);
-        Debug.Log(JSON);
         try
         {
-            SendCurrentState(GameState.Explanation, () =>
-            {
-                Debug.Log($"start the game", this);
-                WaitingRoom.SetActive(false);
-                BeforeStart.SetActive(true);
-
-            });
+            SendCurrentState(GameState.Explanation);
         }
         catch (Exception ex)
         {
@@ -473,7 +465,8 @@ private bool CheckIfIAmTheFirst(List<Player> players)
         }
         return isFirst;
     }
-    public void SendCurrentState(GameState state, Action callback_oncCurrentStateSent)
+
+    public void SendCurrentState(GameState state, Action callback_onCurrentStateSent = null)
     {
         myOnlineRoom.Child("currentState").SetValueAsync((int)state).ContinueWithOnMainThread(task =>
         {
@@ -483,10 +476,9 @@ public void SendCurrentState(GameState state, Action callback_oncCurrentStateSen
             }
             else
             {
-                callback_oncCurrentStateSent?.Invoke();
+                callback_onCurrentStateSent?.Invoke();
             }
-        }); ;
-
+        });
     }
 
     public void OnClickSubmitSignIn()