fix: article

apps/article/serializers.py

@@ -135,5 +135,5 @@ class ArticleDetailSerializer(serializers.ModelSerializer):
         """
         Get the content of the article.
         """
-        content = obj.articlecontent_set.all()
+        content = obj.contents.all()
         return ArticleContentSerializer(content, many=True, context=self.context).data