diff --git a/Rs.SkyLine/Commom/NozzleCollection.cs b/Rs.SkyLine/Commom/NozzleCollection.cs
index 9dd3ff8..2ac6592 100644
--- a/Rs.SkyLine/Commom/NozzleCollection.cs
+++ b/Rs.SkyLine/Commom/NozzleCollection.cs
@@ -172,11 +172,19 @@ namespace Rs.MotionPlat.Commom
         /// </summary>
         /// <param name="turnoverToTray"></param>
         /// <returns></returns>
-        public static Nozzle GetIdelNozzle()
+        public static Nozzle GetIdelNozzle(bool disableNozzle1=false)
         {
             if (nozzles != null && nozzles.Count > 0)
             {
-                return nozzles.Where(n => n.Status == ENozzleStatus.IDLE).First();
+                if(disableNozzle1)
+                {
+                    return nozzles.Where(n => n.Status == ENozzleStatus.IDLE && n.NozzleIndex!=1).First();
+                }
+                else
+                {
+                    return nozzles.Where(n => n.Status == ENozzleStatus.IDLE).First();
+                }
+                
             }
             return null;
         }