diff --git a/apps/article/serializers_admin.py b/apps/article/serializers_admin.py
index fb4e028..b754755 100644
--- a/apps/article/serializers_admin.py
+++ b/apps/article/serializers_admin.py
@@ -39,18 +39,23 @@ class AbsoluteFileField(serializers.FileField):
 
 
 class AdminArticleCategorySerializer(serializers.ModelSerializer):
+    slug = serializers.CharField(required=False, allow_blank=True)
+
     class Meta:
         model = ArticleCategory
         fields = ["id", "title", "slug", "status", "order"]
 
 
 class AdminArticleCollectionSerializer(serializers.ModelSerializer):
+    slug = serializers.CharField(required=False, allow_blank=True)
+
     class Meta:
         model = ArticleCollection
         fields = ["id", "title", "slug", "summary", "display_position", "status", "order"]
 
 
 class AdminArticleListSerializer(serializers.ModelSerializer):
+    slug = serializers.CharField(required=False, allow_blank=True)
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     article_file = AbsoluteFileField(required=False, allow_null=True)
     categories = AdminArticleCategorySerializer(many=True, read_only=True)
@@ -77,6 +82,7 @@ class AdminArticleListSerializer(serializers.ModelSerializer):
 
 
 class AdminArticleDetailSerializer(serializers.ModelSerializer):
+    slug = serializers.CharField(required=False, allow_blank=True)
     thumbnail = AbsoluteImageField(required=False, allow_null=True)
     article_file = AbsoluteFileField(required=False, allow_null=True)
     categories = serializers.PrimaryKeyRelatedField(
@@ -129,6 +135,8 @@ class AdminArticleDetailSerializer(serializers.ModelSerializer):
     def create(self, validated_data):
         validated_data.pop("remove_thumbnail", False)
         validated_data.pop("remove_article_file", False)
+        if not validated_data.get("slug"):
+            validated_data.pop("slug", None)
         categories = validated_data.pop("categories", [])
         collections = validated_data.pop("collections", [])
         article = super().create(validated_data)
@@ -141,6 +149,8 @@ class AdminArticleDetailSerializer(serializers.ModelSerializer):
     def update(self, instance, validated_data):
         remove_thumbnail = validated_data.pop("remove_thumbnail", False)
         remove_article_file = validated_data.pop("remove_article_file", False)
+        if not validated_data.get("slug"):
+            validated_data.pop("slug", None)
         categories = validated_data.pop("categories", None)
         collections = validated_data.pop("collections", None)
 
diff --git a/apps/article/urls.py b/apps/article/urls.py
index db5642e..5946b8f 100755
--- a/apps/article/urls.py
+++ b/apps/article/urls.py
@@ -24,8 +24,9 @@ urlpatterns = [
     path('pinned-collections/', PinnedArticleCollectionListView.as_view(), name='pinned-collection-list'),
     path('collections/', MiddleArticleCollectionListView.as_view(), name='collection-list'),
 
-    path('list/', ArticleListAPIView.as_view(), name='podcast-list'),
-    re_path(r'detail/(?P<slug>[\w-]+)/$', ArticleDetailAPIView.as_view(), name='podcast-detail'),
+    path('list/', ArticleListAPIView.as_view(), name='article-list'),
+    path('detail/<str:slug>/', ArticleDetailAPIView.as_view(), name='article-detail'),
+    re_path(r'detail/(?P<slug>.+)/$', ArticleDetailAPIView.as_view(), name='podcast-detail'),
     path('admin/', include(admin_router.urls)),
     
     # # User playlist endpoints
diff --git a/apps/article/views.py b/apps/article/views.py
index 4e7090f..1644083 100755
--- a/apps/article/views.py
+++ b/apps/article/views.py
@@ -251,6 +251,23 @@ class ArticleDetailAPIView(Gone410ViewMixin, CanonicalSlugViewSetMixin, generics
     def get_queryset(self):
         return Article.objects.all()
     
+    def get_object(self):
+        queryset = self.filter_queryset(self.get_queryset())
+        slug_val = self.kwargs.get(self.lookup_field or 'slug')
+        if slug_val:
+            import urllib.parse
+            unquoted_slug = urllib.parse.unquote(slug_val)
+            obj = queryset.filter(
+                Q(slug=slug_val) |
+                Q(slug=unquoted_slug) |
+                Q(slug__iexact=slug_val) |
+                Q(slug__iexact=unquoted_slug)
+            ).first()
+            if obj:
+                self.check_object_permissions(self.request, obj)
+                return obj
+        return super().get_object()
+
     def retrieve(self, request, *args, **kwargs):
         instance = self.get_object()
         instance.increment_view_count()
diff --git a/apps/library/models.py b/apps/library/models.py
index de38714..c1898f6 100644
--- a/apps/library/models.py
+++ b/apps/library/models.py
@@ -77,8 +77,8 @@ class Category(LowercaseSlugMixin, models.Model):
 
     @property
     def books_count(self):
-        """Return the number of books in this category"""
-        return self.related_categories.count()
+        """Return the number of active books in this category"""
+        return self.related_categories.filter(status=True).count()
 
     class Meta:
         verbose_name = _('Category')
diff --git a/apps/library/views.py b/apps/library/views.py
index cfdc254..bbc585f 100644
--- a/apps/library/views.py
+++ b/apps/library/views.py
@@ -47,7 +47,7 @@ class CategoryListView(ListAPIView):
         return Category.objects.filter(
             status=True
         ).annotate(
-            books_count_annotation=Count('related_categories')
+            books_count_annotation=Count('related_categories', filter=Q(related_categories__status=True))
         ).order_by('title')