【游戏服】修复null exception

DotNet/Hotfix/Scenes/Game/Handler/C2G_BattleNotifyHandler.cs

@@ -36,6 +36,11 @@ namespace ET.Server
             if (request.Message.StartsWith("test:"))
             {
                 var map = player.Map;
+                if(map == null || map.UnitPlayers == null)
+                {
+                    Log.Debug("map not exist, abort cmd");
+                    return;
+                }
                 var players = map.UnitPlayers.Values.ToArray();
                 if(players.Length == 0)
                 {