diff --git a/Rs.SkyLine/Flow/SafeControl.cs b/Rs.SkyLine/Flow/SafeControl.cs
index 905eea9..2368a6c 100644
--- a/Rs.SkyLine/Flow/SafeControl.cs
+++ b/Rs.SkyLine/Flow/SafeControl.cs
@@ -38,10 +38,18 @@ namespace Rs.MotionPlat.Flow
             {
                 AxisControl.PressZ.GetOrgStatus(out bool bOrg);
                 if (!bOrg)
+                {
+                    MessageQueue.Instance.Warn("PressZ org hasn't signal");
                     return false;
+                }
+                    
                 AxisControl.TurnoverZ.GetOrgStatus(out bOrg);
                 if (!bOrg)
+                {
+                    MessageQueue.Instance.Warn("TurnoverZ org hasn't signal");
                     return false;
+                }
+                    
             }
             return true;
         }