diff --git a/dbm-services/redis/redis-dts/util/util.go b/dbm-services/redis/redis-dts/util/util.go
index 97433db100..9335dfbc18 100644
--- a/dbm-services/redis/redis-dts/util/util.go
+++ b/dbm-services/redis/redis-dts/util/util.go
@@ -213,7 +213,6 @@ func LookupDbDNSIPs(addr01 string) (addrs []string, err error) {
 	}
 	ipPart := list01[0]
 	portPart := list01[1]
-	// TODO 这个地方会卡16分钟，后面需要想一下怎么更好的区优化
 	if IsDbDNS(ipPart) {
 		uniqMap := make(map[string]bool)
 		var idx int
diff --git a/dbm-ui/backend/db_services/redis/redis_dts/models/tb_tendis_dts_task.py b/dbm-ui/backend/db_services/redis/redis_dts/models/tb_tendis_dts_task.py
index b65b34120c..e467ffc25b 100644
--- a/dbm-ui/backend/db_services/redis/redis_dts/models/tb_tendis_dts_task.py
+++ b/dbm-ui/backend/db_services/redis/redis_dts/models/tb_tendis_dts_task.py
@@ -55,12 +55,8 @@ class TbTendisDtsTask(models.Model):
     dst_password = models.CharField(max_length=128, default="", verbose_name=_("目的密码base64值"))
     # task类型,当前迁移任务到哪个阶段,包含tendis_backup, backupfile_fetch,tendisdump,sql_impoter,make_sync等
     task_type = models.CharField(max_length=128, default="", verbose_name=_("task类型"))
-    tendisbackup_file = models.CharField(
-        null=True, blank=True, max_length=512, default="", verbose_name=_("tendisssd slave上bakup文件位置")
-    )
-    fetch_file = models.CharField(
-        null=True, blank=True, default="", max_length=512, verbose_name=_("backup文件拉取到dts_server本地位置")
-    )
+    tendisbackup_file = models.CharField(max_length=512, default="", verbose_name=_("tendisssd slave上bakup文件位置"))
+    fetch_file = models.CharField(default="", max_length=512, verbose_name=_("backup文件拉取到dts_server本地位置"))
     sqlfile_dir = models.CharField(default="", max_length=512, verbose_name=_("tendisdumper得到的sql文件夹"))
     syncer_port = models.IntegerField(default=0, verbose_name=_("redis-sync端口"))
     syncer_pid = models.IntegerField(default=0, verbose_name=_("sync的进程id"))