diff --git a/apps/assets/api/asset/host.py b/apps/assets/api/asset/host.py
index 3e11b8ad5..d923b2b84 100644
--- a/apps/assets/api/asset/host.py
+++ b/apps/assets/api/asset/host.py
@@ -1,8 +1,8 @@
-from assets.models import Host, Asset
-from assets.serializers import HostSerializer, HostInfoSerializer
 from rest_framework.decorators import action
 from rest_framework.response import Response
 
+from assets.models import Host, Asset
+from assets.serializers import HostSerializer, HostInfoSerializer
 from .asset import AssetViewSet
 
 __all__ = ['HostViewSet']
@@ -22,4 +22,3 @@ class HostViewSet(AssetViewSet):
     def info(self, *args, **kwargs):
         asset = super().get_object()
         return Response(asset.info)
-
diff --git a/apps/assets/serializers/platform.py b/apps/assets/serializers/platform.py
index 15136930c..0bbb0aa51 100644
--- a/apps/assets/serializers/platform.py
+++ b/apps/assets/serializers/platform.py
@@ -39,8 +39,7 @@ class ProtocolSettingSerializer(serializers.Serializer):
     script = serializers.JSONField(default=list, label=_("Script"))
 
     # Redis
-    auth_username = serializers.BooleanField(default=False, label=_("Auth with username"),
-                                             help_text=_("Auth with username"))
+    auth_username = serializers.BooleanField(default=False, label=_("Auth with username"))
 
 
 class PlatformAutomationSerializer(serializers.ModelSerializer):