diff --git a/src/modules/blog/blog.service.ts b/src/modules/blog/blog.service.ts
index 2ba492b..99d613b 100644
--- a/src/modules/blog/blog.service.ts
+++ b/src/modules/blog/blog.service.ts
@@ -64,7 +64,7 @@ class BlogService {
 
     if (updateDto.slug) {
       updateDto.slug = slugify(updateDto.slug);
-      const existTitle = await this.blogCategoryRepo.findBySlug(updateDto.slug);
+      const existTitle = await this.blogCategoryRepo.model.findOne({ slug: updateDto.slug, _id: { $ne: catId } });
       if (existTitle) throw new BadRequestError(CategoryMessage.DuplicateSlug);
     }
     const UpdatedCategory = await this.blogCategoryRepo.model.findByIdAndUpdate(catId, updateDto, { new: true });