diff --git a/backend/community/serializers.py b/backend/community/serializers.py
index ed18821..63b6b9d 100644
--- a/backend/community/serializers.py
+++ b/backend/community/serializers.py
@@ -165,3 +165,18 @@ class AnnouncementSerializer(serializers.ModelSerializer):
     class Meta:
         model = Announcement
         fields = '__all__'
+
+class AdminActivitySerializer(serializers.ModelSerializer):
+    signup_form_config = serializers.JSONField(required=False)
+    description = serializers.CharField(style={'base_template': 'textarea.html'})
+    
+    class Meta:
+        model = Activity
+        fields = '__all__'
+
+class AdminTopicSerializer(serializers.ModelSerializer):
+    content = serializers.CharField(style={'base_template': 'textarea.html'})
+
+    class Meta:
+        model = Topic
+        fields = '__all__'
diff --git a/backend/community/views.py b/backend/community/views.py
index 18b37be..5511cc4 100644
--- a/backend/community/views.py
+++ b/backend/community/views.py
@@ -11,7 +11,7 @@ from drf_spectacular.utils import extend_schema, OpenApiParameter, OpenApiTypes
 from shop.models import WeChatUser, Order
 from shop.views import get_wechat_pay_client
 from .models import Activity, ActivitySignup, Topic, Reply, TopicMedia, Announcement
-from .serializers import ActivitySerializer, ActivitySignupSerializer, TopicSerializer, ReplySerializer, TopicMediaSerializer, AnnouncementSerializer
+from .serializers import ActivitySerializer, ActivitySignupSerializer, TopicSerializer, ReplySerializer, TopicMediaSerializer, AnnouncementSerializer, AdminActivitySerializer, AdminTopicSerializer
 from .utils import get_current_wechat_user
 from .permissions import IsAuthorOrReadOnly
 
@@ -441,6 +441,7 @@ class AdminPublishViewSet(viewsets.ViewSet):
 
     @extend_schema(
         summary="API发布活动",
+        request=AdminActivitySerializer,
         parameters=[
             OpenApiParameter(
                 name='apikey', 
@@ -469,7 +470,7 @@ class AdminPublishViewSet(viewsets.ViewSet):
              return Response({'error': 'Admin user not found with this phone number'}, status=404)
         
         data = request.data.copy()
-        serializer = ActivitySerializer(data=data)
+        serializer = AdminActivitySerializer(data=data)
         if serializer.is_valid():
             activity = serializer.save(author=user)
             return Response(serializer.data, status=201)
@@ -477,6 +478,7 @@ class AdminPublishViewSet(viewsets.ViewSet):
 
     @extend_schema(
         summary="API发布帖子",
+        request=AdminTopicSerializer,
         parameters=[
             OpenApiParameter(
                 name='apikey', 
@@ -505,8 +507,10 @@ class AdminPublishViewSet(viewsets.ViewSet):
              return Response({'error': 'Admin user not found with this phone number'}, status=404)
 
         data = request.data.copy()
-        serializer = TopicSerializer(data=data)
+        serializer = AdminTopicSerializer(data=data)
         if serializer.is_valid():
-            topic = serializer.save(author=user, status='published')
+            # Only set status to published if not provided, otherwise respect the input
+            status = data.get('status', 'published')
+            topic = serializer.save(author=user, status=status)
             return Response(serializer.data, status=201)
         return Response(serializer.errors, status=400)