diff --git a/staffeln/common/time.py b/staffeln/common/time.py
index 39a6fb9..02e40e1 100644
--- a/staffeln/common/time.py
+++ b/staffeln/common/time.py
@@ -5,7 +5,7 @@
 DEFAULT_TIME_FORMAT = "%Y-%m-%d %H:%M:%S"
 
 regex = re.compile(
-    r'((?P<years>\d+?)y)?((?P<months>\d+?)m)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?'
+    r'((?P<years>\d+?)y)?((?P<months>\d+?)mon)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?'
 )
 
 
diff --git a/staffeln/conductor/backup.py b/staffeln/conductor/backup.py
index bf3f63e..47a4fc0 100755
--- a/staffeln/conductor/backup.py
+++ b/staffeln/conductor/backup.py
@@ -104,6 +104,7 @@
             #     project_id=task.project_id, backup_id=task.backup_id,
             # )
             conn.delete_volume_backup(task.backup_id, force=True)
+            # TODO(Alex): After delete the backup generator, need to set the volume status again
             task.delete_queue()
 
         except OpenstackResourceNotFound:
diff --git a/staffeln/conductor/manager.py b/staffeln/conductor/manager.py
index a08b3db..bfda77d 100755
--- a/staffeln/conductor/manager.py
+++ b/staffeln/conductor/manager.py
@@ -88,7 +88,6 @@
             LOG.info(_("Recycle timeout format is invalid. "
                        "Follow <YEARS>y<MONTHS>m<WEEKS>w<DAYS>d<HOURS>h<MINUTES>min<SECONDS>s."))
             time_delta_dict = xtime.parse_timedelta_string(constants.DEFAULT_BACKUP_CYCLE_TIMEOUT)
-
         rto = xtime.timeago(
             years=time_delta_dict["years"],
             months=time_delta_dict["months"],
@@ -98,6 +97,9 @@
             minutes=time_delta_dict["minutes"],
             seconds=time_delta_dict["seconds"],
         )
+        # print(rto.strftime(xtime.DEFAULT_TIME_FORMAT))
+        # print(self.cycle_start_time)
+        # print(self.cycle_start_time - rto)
         if rto >= self.cycle_start_time:
             return True
         return False
diff --git a/staffeln/conf/conductor.py b/staffeln/conf/conductor.py
index 8912748..7c9c643 100755
--- a/staffeln/conf/conductor.py
+++ b/staffeln/conf/conductor.py
@@ -17,16 +17,16 @@
     ),
     cfg.IntOpt(
         "backup_service_period",
-        default=60,
+        default=30,
         min=10,
         help=_("The time of bakup period, the unit is one minute."),
     ),
     cfg.StrOpt(
         "backup_cycle_timout",
-        regex=r'((?P<years>\d+?)y)?((?P<months>\d+?)m)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?',
+        regex=r'((?P<years>\d+?)y)?((?P<months>\d+?)mon)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?',
         default=constants.DEFAULT_BACKUP_CYCLE_TIMEOUT,
         help=_("The duration while the backup cycle waits backups."
-               "<YEARS>y<MONTHS>m<WEEKS>w<DAYS>d<HOURS>h<MINUTES>min<SECONDS>s."),
+               "<YEARS>y<MONTHS>mon<WEEKS>w<DAYS>d<HOURS>h<MINUTES>min<SECONDS>s."),
     ),
     cfg.StrOpt(
         "backup_metadata_key",
@@ -61,10 +61,10 @@
     ),
     cfg.StrOpt(
         "retention_time",
-        regex=r'((?P<years>\d+?)y)?((?P<months>\d+?)m)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?',
+        regex=r'((?P<years>\d+?)y)?((?P<months>\d+?)mon)?((?P<weeks>\d+?)w)?((?P<days>\d+?)d)?((?P<hours>\d+?)h)?((?P<minutes>\d+?)min)?((?P<seconds>\d+?)s)?',
         default="2w3d",
         help=_("The time of retention period, the for mat is "
-               "<YEARS>y<MONTHS>m<WEEKS>w<DAYS>d<HOURS>h<MINUTES>min<SECONDS>s."),
+               "<YEARS>y<MONTHS>mon<WEEKS>w<DAYS>d<HOURS>h<MINUTES>min<SECONDS>s."),
     ),
 ]