diff --git a/apps/jumpserver/urls.py b/apps/jumpserver/urls.py
index 510654048..c2ffea6ec 100644
--- a/apps/jumpserver/urls.py
+++ b/apps/jumpserver/urls.py
@@ -23,7 +23,7 @@ api_v1 = [
     path('applications/', include('applications.urls.api_urls', namespace='api-applications')),
     path('tickets/', include('tickets.urls.api_urls', namespace='api-tickets')),
     path('acls/', include('acls.urls.api_urls', namespace='api-acls')),
-    path('notifications/', include('notifications.urls', namespace='api-notifications')),
+    path('notifications/', include('notifications.urls.notifications', namespace='api-notifications')),
     path('prometheus/metrics/', api.PrometheusMetricsApi.as_view()),
 ]
 
diff --git a/apps/notifications/api/site_msgs.py b/apps/notifications/api/site_msgs.py
index e64ac23e2..5618a70b4 100644
--- a/apps/notifications/api/site_msgs.py
+++ b/apps/notifications/api/site_msgs.py
@@ -6,10 +6,11 @@ from common.permissions import IsValidUser
 from common.const.http import GET, PATCH, POST
 from common.drf.api import JmsGenericViewSet
 from ..serializers import (
-    SiteMessageListSerializer, SiteMessageRetrieveSerializer, SiteMessageIdsSerializer,
+    SiteMessageDetailSerializer, SiteMessageIdsSerializer,
     SiteMessageSendSerializer,
 )
 from ..site_msg import SiteMessage
+from ..filters import SiteMsgFilter
 
 __all__ = ('SiteMessageViewSet', )
 
@@ -17,32 +18,24 @@ __all__ = ('SiteMessageViewSet', )
 class SiteMessageViewSet(ListModelMixin, RetrieveModelMixin, JmsGenericViewSet):
     permission_classes = (IsValidUser,)
     serializer_classes = {
-        'retrieve': SiteMessageRetrieveSerializer,
-        'unread': SiteMessageListSerializer,
-        'list': SiteMessageListSerializer,
+        'default': SiteMessageDetailSerializer,
         'mark_as_read': SiteMessageIdsSerializer,
         'send': SiteMessageSendSerializer,
     }
+    filterset_class = SiteMsgFilter
 
     def get_queryset(self):
         user = self.request.user
         msgs = SiteMessage.get_user_all_msgs(user.id)
         return msgs
 
-    @action(methods=[GET], detail=False)
-    def unread(self, request, **kwargs):
-        user = request.user
-        msgs = SiteMessage.get_user_unread_msgs(user.id)
-        msgs = self.filter_queryset(msgs)
-        return self.get_paginated_response_with_query_set(msgs)
-
     @action(methods=[GET], detail=False, url_path='unread-total')
     def unread_total(self, request, **kwargs):
         user = request.user
         msgs = SiteMessage.get_user_unread_msgs(user.id)
         return Response(data={'total': msgs.count()})
 
-    @action(methods=[PATCH], detail=False)
+    @action(methods=[PATCH], detail=False, url_path='mark-as-read')
     def mark_as_read(self, request, **kwargs):
         user = request.user
         seri = self.get_serializer(data=request.data)
diff --git a/apps/notifications/filters.py b/apps/notifications/filters.py
new file mode 100644
index 000000000..b14d47943
--- /dev/null
+++ b/apps/notifications/filters.py
@@ -0,0 +1,11 @@
+import django_filters
+
+from .models import SiteMessage
+
+
+class SiteMsgFilter(django_filters.FilterSet):
+    has_read = django_filters.BooleanFilter(field_name='m2m_sitemessageusers__has_read')
+
+    class Meta:
+        model = SiteMessage
+        fields = ('has_read',)
diff --git a/apps/notifications/models/site_msg.py b/apps/notifications/models/site_msg.py
index 3e3c09baa..556c00607 100644
--- a/apps/notifications/models/site_msg.py
+++ b/apps/notifications/models/site_msg.py
@@ -1,4 +1,5 @@
 from django.db import models
+from django.utils.translation import gettext_lazy as _
 
 from common.db.models import JMSModel
 
diff --git a/apps/notifications/serializers/site_msgs.py b/apps/notifications/serializers/site_msgs.py
index 8d76205e1..1f157add5 100644
--- a/apps/notifications/serializers/site_msgs.py
+++ b/apps/notifications/serializers/site_msgs.py
@@ -4,16 +4,24 @@ from rest_framework import serializers
 from ..models import SiteMessage
 
 
-class SiteMessageListSerializer(ModelSerializer):
-    class Meta:
-        model = SiteMessage
-        fields = ['id', 'subject', 'has_read', 'read_at']
+class SenderMixin(ModelSerializer):
+    sender = serializers.SerializerMethodField()
+
+    def get_sender(self, site_msg):
+        sender = site_msg.sender
+        if sender:
+            return str(sender)
+        else:
+            return ''
 
 
-class SiteMessageRetrieveSerializer(ModelSerializer):
+class SiteMessageDetailSerializer(SenderMixin, ModelSerializer):
     class Meta:
         model = SiteMessage
-        fields = ['id', 'subject', 'message', 'has_read', 'read_at']
+        fields = [
+            'id', 'subject', 'message', 'has_read', 'read_at',
+            'date_created', 'date_updated', 'sender',
+        ]
 
 
 class SiteMessageIdsSerializer(serializers.Serializer):
diff --git a/apps/notifications/site_msg.py b/apps/notifications/site_msg.py
index 944a8ea3c..3767cc322 100644
--- a/apps/notifications/site_msg.py
+++ b/apps/notifications/site_msg.py
@@ -8,13 +8,14 @@ from .models import SiteMessage as SiteMessageModel, SiteMessageUsers
 class SiteMessage:
 
     @classmethod
-    def send_msg(cls, subject, message, user_ids=(), group_ids=(), sender=None, is_broadcast=False):
+    def send_msg(cls, subject, message, user_ids=(), group_ids=(),
+                 sender=None, is_broadcast=False):
         if not any((user_ids, group_ids, is_broadcast)):
             raise ValueError('No recipient is specified')
 
         site_msg = SiteMessageModel.objects.create(
             subject=subject, message=message,
-            is_broadcast=is_broadcast, sender=sender
+            is_broadcast=is_broadcast, sender=sender,
         )
 
         if is_broadcast:
diff --git a/apps/notifications/urls/__init__.py b/apps/notifications/urls/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/apps/notifications/urls.py b/apps/notifications/urls/notifications.py
similarity index 93%
rename from apps/notifications/urls.py
rename to apps/notifications/urls/notifications.py
index ad05c4aca..60aaee873 100644
--- a/apps/notifications/urls.py
+++ b/apps/notifications/urls/notifications.py
@@ -2,7 +2,7 @@
 from rest_framework_bulk.routes import BulkRouter
 from django.urls import path
 
-from . import api
+from notifications import api
 
 app_name = 'notifications'