diff --git a/apps/node_man/handlers/validator.py b/apps/node_man/handlers/validator.py
index f2e12b343..b4a803031 100644
--- a/apps/node_man/handlers/validator.py
+++ b/apps/node_man/handlers/validator.py
@@ -439,7 +439,7 @@ def install_validate(
     add_host_biz_blacklist: typing.List[int] = models.GlobalSettings.get_config(
         models.GlobalSettings.KeyEnum.ADD_HOST_BIZ_BLACKLIST.value, default=[]
     )
-    if job_type in const.JobType.INSTALL_AGENT:
+    if job_type in [const.JobType.INSTALL_AGENT]:
         for host in hosts:
             except_bk_cloud_id = host.get("bk_cloud_id")
             bk_biz_id = host.get("bk_biz_id")