diff --git a/bug/views.py b/bug/views.py
index 48a54e9..d48a127 100644
--- a/bug/views.py
+++ b/bug/views.py
@@ -146,8 +146,7 @@ class BugReportCommentCreateAPIView(generics.CreateAPIView):
         serializer = self.get_serializer(data=request.data)
         is_valid = serializer.is_valid()
         if is_valid:
-            # 兜底：serializer.create 内部有同步 ORM（comment 及其图片/附件的 create）
-            comment = await sync_to_async(serializer.save)(
+            comment = await serializer.asave(
                 user=request.user,
                 bug_report=bug_report,
                 is_admin=False
diff --git a/learn/views.py b/learn/views.py
index f13c392..bd26f6f 100644
--- a/learn/views.py
+++ b/learn/views.py
@@ -279,7 +279,7 @@ class ChapterListCreateView(generics.ListCreateAPIView):
         course = await aget_object_or_404(Course, pk=course_id)
         serializer = self.get_serializer(data=request.data)
         if serializer.is_valid():
-            await sync_to_async(serializer.save)(course=course)
+            await serializer.asave(course=course)
             data = await get_data(serializer)
             return create_standardized_response(
                 data=data,