diff --git a/netforce_clinic/models/visit_board.py b/netforce_clinic/models/visit_board.py
index 7ff7aa8..6eba335 100644
--- a/netforce_clinic/models/visit_board.py
+++ b/netforce_clinic/models/visit_board.py
@@ -122,6 +122,9 @@ class VisitBoard(Model):
                     for pc in pt.cycles:
                         w=DAYS.get(pc.day,0) #default monday
                         cycle=pc.cycle_id
+                        if not cycle:
+                            continue
+                            #raise Exception('cycle setting for %s is not correct!'%(pt.name))
                         department=pc.department_id
                         if weekday==w:
                             dom2=[