fix: 清理错误定时策略并支持生成cron文本3

safesite/services.py

@@ -36,12 +36,16 @@ def correct_myschedule():
         elif typeset == 'crontab':
             try:
                 crontab = item.crontab
+                if crontab:
                     item.name = get_chinese_description(typeset,
                     {"minute": crontab.minute, "hour": crontab.hour, "day_of_month": crontab.day_of_month, 
                     "month_of_year": crontab.month_of_year, "day_of_week": crontab.day_of_week})
                     if item.name == '':
                         crontab.delete()
                         item.delete()
+                else:
+                    PeriodicTask.objects.filter(gridtaskset_periodictask__myschedule=item).delete()
+                    item.delete()
             except ObjectDoesNotExist:
                 GridTaskSet.objects.filter(myschedule=item).delete()
                 item.delete()