diff --git a/Assets/Zion/Scripts/Adam/GameManager.cs b/Assets/Zion/Scripts/Adam/GameManager.cs
index 4d6c77a0..05d96a81 100644
--- a/Assets/Zion/Scripts/Adam/GameManager.cs
+++ b/Assets/Zion/Scripts/Adam/GameManager.cs
@@ -24,7 +24,6 @@ public class GameManager : MonoSingleton<GameManager>
     public DragController wxdDrag;
     public GameObject Teacher;
     public GameObject student;
-    public bool isPlayer = true;
     public System.Collections.Generic.List<SyncPlayerTransform> players = new System.Collections.Generic.List<SyncPlayerTransform>();
     // Start is called before the first frame update
     private void Awake()
@@ -47,7 +46,7 @@ public class GameManager : MonoSingleton<GameManager>
         spt.gameObject.SetActive(true);
         spt.gameObject.transform.position = spawnPos.position;
         spt.gameObject.transform.eulerAngles = spawnPos.eulerAngles;
-        spt.SetPlayerInfo(ulong.Parse(GlobalFlag.currentUser.user_id), GlobalFlag.currentUser.login_name, ulong.Parse(GlobalFlag.roomID), isPlayer);
+        spt.SetPlayerInfo(ulong.Parse(GlobalFlag.currentUser.user_id), GlobalFlag.currentUser.login_name, ulong.Parse(GlobalFlag.roomID), true);
         AddPlayers(spt);
         ToolsBootstrap.Instance.SetCameraInfo(spt);
         //0 red  1 blue
@@ -164,7 +163,7 @@ public class GameManager : MonoSingleton<GameManager>
                     spt.gameObject.SetActive(true);
                     spt.gameObject.transform.position = spawnPos.position;
                     spt.gameObject.transform.eulerAngles = spawnPos.eulerAngles;
-                    spt.SetPlayerInfo(ulong.Parse(data[1]), data[2], ulong.Parse(data[3]), !isPlayer);
+                    spt.SetPlayerInfo(ulong.Parse(data[1]), data[2], ulong.Parse(data[3]), false);
                     AddPlayers(spt);
                 }
                 break;
@@ -202,7 +201,7 @@ public class GameManager : MonoSingleton<GameManager>
                 }
                 break;
             case "offline":
-
+                
                 break;
             default:
                 break;
@@ -238,7 +237,7 @@ public class GameManager : MonoSingleton<GameManager>
             {
                 SyncPlayerTransform spt = Instantiate(playerTransformPrefab);
                 spt.gameObject.SetActive(true);
-                spt.SetPlayerInfo(ulong.Parse(userInfo[0]), userInfo[1], ulong.Parse(userInfo[2]), !isPlayer);
+                spt.SetPlayerInfo(ulong.Parse(userInfo[0]), userInfo[1], ulong.Parse(userInfo[2]), false);
                 spt.transform.position = new Vector3(spawnPos.position.x + index * 0.5f, spawnPos.position.y, spawnPos.position.z + index * 0.5f);
                 spt.transform.eulerAngles = spawnPos.eulerAngles;
                 AddPlayers(spt);
diff --git a/Assets/Zion/Scripts/Adam/UIBootstrap.cs b/Assets/Zion/Scripts/Adam/UIBootstrap.cs
index e008faab..ae273cf9 100644
--- a/Assets/Zion/Scripts/Adam/UIBootstrap.cs
+++ b/Assets/Zion/Scripts/Adam/UIBootstrap.cs
@@ -27,8 +27,20 @@ public class UIBootstrap : MonoSingleton<UIBootstrap>
         AdamSync.SyncCreateRoom.getRoomsRequset += OnGetRooms;
         AdamSync.SyncCreateRoom.getroomusersRequset += OnGetRoomsUsers;
         AdamSync.SyncCreateRoom.send2roomRequset += OnGetRoomsInfo;
+        AdamSync.SyncCreateRoom.send2roomRequset += OnOtherPlayerOnline;
     }
 
+    public void OnOtherPlayerOnline(string msg)
+    {
+        string[] data = msg.Split(',');
+        Debug.Log(data[1]);
+        if (data[0] == "offline")
+        {
+            GameManager.Instance.RemovePlayer(ulong.Parse(data[1]));
+            string _msg = "leaveroom ";
+            _ = AdamSync.SyncCreateRoom.SendMessageAsync(_msg);
+        }
+    }
 
     public async void GetSceneData(string roomId)
     {