diff --git a/dns_updater/workers/zone_worker.py b/dns_updater/workers/zone_worker.py
index f95a8f3..a211029 100644
--- a/dns_updater/workers/zone_worker.py
+++ b/dns_updater/workers/zone_worker.py
@@ -2,6 +2,7 @@
 
 from __future__ import print_function
 from dns_updater.utils.updater_util import *
+import time
 
 TMP_DIR = CONF.etc.tmp_dir
 ZONE_DIR = CONF.bind_conf.zone_dir
@@ -71,7 +72,7 @@ def handler():
 
             tmp_zonefile_path = make_zone_file_from_dnsdb(name)
             if not is_need_update_zone(tmp_zonefile_path, current_zonefile_path):
-                return
+                continue
             checkzone(name, tmp_zonefile_path)
             zone_file_dict[name] = {
                 'src': tmp_zonefile_path,
@@ -86,8 +87,10 @@ def handler():
                 reload_and_backup_zones(zone_file_dict)
                 DnsdbApi.update_zone_serial(name)
                 log.info('update_zone_serial')
-            return True
+                time.sleep(1)
         except UpdaterErr as e:
             log.error(e.message)
+            send_alarm_email(u'zone %s 更新失败\n原因: %s' % (name, e.message))
         except Exception as e:
             log.exception(e)
+            send_alarm_email(u'zone %s 更新失败\n原因: %s' % (name, e))
diff --git a/dnsdb_common/dal/view_record.py b/dnsdb_common/dal/view_record.py
index fe9c612..989a82a 100644
--- a/dnsdb_common/dal/view_record.py
+++ b/dnsdb_common/dal/view_record.py
@@ -218,7 +218,7 @@ def get_view_domain_info(domain):
 
         return {
             'domain_name': domain,
-            'is_migrate': ViewRecordDal.is_migrate_domain(domain),
+            'is_migrate': ViewRecordDal.is_migrate_domain(view_domain),
             'cnames': cdn_conf,
             'rooms': room_confs
         }
@@ -435,7 +435,7 @@ def insert_view_domain(username, domain_name, cnames, rooms):
                 ))
             # 新增域名 更新dnsmaster2
             ViewRecordDal.increase_serial_num(VIEW_ZONE)
-            ViewRecordDal.increase_serial_num(cname_zone)
+            # ViewRecordDal.increase_serial_num(cname_zone)
 
     @staticmethod
     def update_view_domain(username, domain_name, cnames, rooms):
@@ -577,16 +577,16 @@ def update_view_domain_state(domain_name, isp_dict):
     @staticmethod
     @commit_on_success
     def delete_view_domain(domain_name):
-        session = db.session
-        record = DnsRecord.query.filter_by(record=domain_name).all()
-        if len(record):
-            raise BadParam('view domain has cname record: %s' % domain_name,
-                           msg_ch=u'请先删除域名的cname记录')
-
-        zone = ViewRecordDal.get_view_domain_zone(domain_name)
-        session.query(ViewRecords).filter_by(domain_name=domain_name).delete()
-        session.query(ViewDomainNameState).filter_by(domain_name=domain_name).delete()
-        session.query(ViewDomainNames).filter_by(domain_name=domain_name).delete()
-
-        for update_zone in [zone, VIEW_ZONE]:
+        need_update = [VIEW_ZONE]
+
+        need_update.append(ViewRecordDal.get_view_domain_zone(domain_name))
+        ViewRecords.query.filter_by(domain_name=domain_name).delete()
+        ViewDomainNameState.query.filter_by(domain_name=domain_name).delete()
+        ViewDomainNames.query.filter_by(cname=domain_name).delete()
+
+        record = DnsRecord.query.filter_by(record=domain_name).first()
+        need_update.append(record.zone_name)
+        db.session.delete(record)
+
+        for update_zone in need_update:
             ViewRecordDal.increase_serial_num(update_zone)