diff --git a/dbm-ui/backend/db_services/mysql/toolbox/urls.py b/dbm-ui/backend/db_services/mysql/toolbox/urls.py
index c1e856deef..3b6b6b5d3c 100644
--- a/dbm-ui/backend/db_services/mysql/toolbox/urls.py
+++ b/dbm-ui/backend/db_services/mysql/toolbox/urls.py
@@ -11,11 +11,16 @@
 
 from rest_framework.routers import DefaultRouter
 
-from backend.db_services.mysql.toolbox.views import TendbhaTransferToOtherBizViewSet, ToolboxViewSet
+from backend.db_services.mysql.toolbox.views import (
+    TendbHaSlaveInstanceAddDomainSet,
+    TendbhaTransferToOtherBizViewSet,
+    ToolboxViewSet,
+)
 
 router = DefaultRouter(trailing_slash=True)
 router.register(r"toolbox", ToolboxViewSet, basename="toolbox")
 router.register(r"toolbox", TendbhaTransferToOtherBizViewSet, basename="toolbox")
+router.register(r"toolbox", TendbHaSlaveInstanceAddDomainSet, basename="toolbox")
 
 urlpatterns = []
 urlpatterns += router.urls
diff --git a/dbm-ui/backend/db_services/mysql/toolbox/views.py b/dbm-ui/backend/db_services/mysql/toolbox/views.py
index d1f4cfec15..533211b79c 100644
--- a/dbm-ui/backend/db_services/mysql/toolbox/views.py
+++ b/dbm-ui/backend/db_services/mysql/toolbox/views.py
@@ -55,7 +55,7 @@ def query_higher_version_pkg_list(self, request, **kwargs):
         return Response(ToolboxHandler().query_higher_version_pkg_list(cluster_id, higher_major_version))
 
 
-class TendbHaSlaveInstanceAddDomain(viewsets.SystemViewSet):
+class TendbHaSlaveInstanceAddDomainSet(viewsets.SystemViewSet):
     action_permission_map = {}
     default_permission_class = [DBManagePermission()]