diff --git a/src/common/enums/message.enum.ts b/src/common/enums/message.enum.ts
index 94212cb..451dcb7 100755
--- a/src/common/enums/message.enum.ts
+++ b/src/common/enums/message.enum.ts
@@ -775,6 +775,8 @@ export const enum BlogMessage {
   SLUG_MAX_LENGTH = "حداکثر طول اسلاگ بلاگ باید ۲۵۵ کاراکتر باشد",
   CATEGORY_HAS_BLOGS = "دسته بندی مورد نظر دارای بلاگ می‌باشد",
   BLOG_ALREADY_EXISTS_WITH_THIS_SLUG = "بلاگی با این اسلاگ قبلا ثبت شده است",
+  CREATED_AT_REQUIRED = "تاریخ ایجاد الزامی است",
+  CREATED_AT_DATE_STRING = "تاریخ ایجاد باید یک تاریخ باشد",
 }
 
 export const enum SliderMessage {
diff --git a/src/modules/blogs/DTO/update-blog.dto.ts b/src/modules/blogs/DTO/update-blog.dto.ts
index 7211353..83e1077 100755
--- a/src/modules/blogs/DTO/update-blog.dto.ts
+++ b/src/modules/blogs/DTO/update-blog.dto.ts
@@ -1,5 +1,13 @@
-import { PartialType } from "@nestjs/swagger";
+import { ApiProperty, PartialType } from "@nestjs/swagger";
+import { IsDateString, IsNotEmpty, IsOptional } from "class-validator";
 
 import { CreateBlogDto } from "./create-blog.dto";
+import { BlogMessage } from "../../../common/enums/message.enum";
 
-export class UpdateBlogDto extends PartialType(CreateBlogDto) {}
+export class UpdateBlogDto extends PartialType(CreateBlogDto) {
+  @IsOptional()
+  @IsNotEmpty({ message: BlogMessage.CREATED_AT_REQUIRED })
+  @IsDateString({}, { message: BlogMessage.CREATED_AT_DATE_STRING })
+  @ApiProperty({ description: "Created at of the blog", example: "2021-01-01" })
+  createdAt?: Date;
+}
diff --git a/src/modules/blogs/repositories/blogs.repository.ts b/src/modules/blogs/repositories/blogs.repository.ts
index 7d94169..4657360 100755
--- a/src/modules/blogs/repositories/blogs.repository.ts
+++ b/src/modules/blogs/repositories/blogs.repository.ts
@@ -123,7 +123,23 @@ export class BlogsRepository extends Repository<Blog> {
     const queryBuilder = this.createQueryBuilder("blog")
       .where("blog.deletedAt IS NULL")
       .leftJoinAndSelect("blog.category", "category")
-      .leftJoinAndSelect("blog.author", "author");
+      .leftJoinAndSelect("blog.author", "author")
+      .select([
+        "blog.id",
+        "blog.title",
+        "blog.previewContent",
+        "blog.metaTitle",
+        "blog.imageUrl",
+        "blog.slug",
+        "blog.isActive",
+        "blog.createdAt",
+        "blog.viewCount",
+        "category.id",
+        "category.title",
+        "author.id",
+        "author.firstName",
+        "author.lastName",
+      ]);
 
     if (queryDto.isActive) {
       queryBuilder.andWhere("blog.isActive = :isActive", { isActive: queryDto.isActive === 1 });
@@ -158,6 +174,7 @@ export class BlogsRepository extends Repository<Blog> {
 
     return queryBuilder.getManyAndCount();
   }
+  //*********************************** */
 
   async getMostVisitedBlogs(limit: number = 5) {
     return this.createQueryBuilder("blog")