diff --git a/backend/README.md b/backend/README.md
index c980ab8..bfa4faa 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -2,6 +2,12 @@
 - nest.js 기반으로 구성한 웹 API 백엔드 서버입니다.  
 - 웹 API 백엔드 서버는 프로젝트 내 필요한 API 기능들을 제공합니다. 
 
+## 구조도
+### 스크래핑 모듈 구조도
+![이미지](./server/docs/img/crawling_module.png)
+[링크](https://github.com/blaxsior/lambda-deploy-test)
+### 서버 구조도
+![이미지](./server/docs/img/server.png)
 ## 사용법
 API 서버는 docker 기반으로 동작하므로, 먼저 docker을 설치하세요.
 - 실행: ``docker-compose -f docker-compose.dev.yml up``
@@ -193,8 +199,8 @@ NewsSource는 뉴스를 수집할 언론사를 의미합니다. 뉴스 스크래
 erDiagram
     Comment {
       str contents
-      number sympathyCount
-      number antipathyCount
+      int sympathyCount
+      int antipathyCount
       date date "※댓글 작성일"
     }
 
@@ -205,21 +211,21 @@ erDiagram
     }
 
     AnalysisComment {
-      number id PK
+      int id PK
       date createdAt "※댓글 작성일"
       str content
-      number sympathy
-      number antipathy
+      int sympathy
+      int antipathy
       string link
       string emotion
-      number keyword_id FK
+      int keyword_id FK
     }
 
     ArticleContent {
-      number id PK
+      int id PK
       string content
-      number score
-      number comment_id FK
+      float score
+      int comment_id FK
     }
     
     Keyword {
@@ -232,26 +238,26 @@ erDiagram
     }
 
     KeywordHistory {
-      number id PK
+      int id PK
       string description
       string action
       date createdAt "auto"
-      number keyword_id FK
+      int keyword_id FK
     }
     Admin {
-      number id PK
+      int id PK
       string login_id UK
       string password
       string name
       date createdAt
     }
     TokenInfo {
-      number id PK
+      int id PK
       string refresh_key "nullable"
     }
     NewsSource {
-      number id PK
-      number media_id
+      int id PK
+      int media_id
       string media_name
       date createdAt
     }
diff --git a/backend/server/docs/ERD.md b/backend/server/docs/ERD.md
index f6dcb60..532785a 100644
--- a/backend/server/docs/ERD.md
+++ b/backend/server/docs/ERD.md
@@ -4,8 +4,8 @@
 erDiagram
     Comment {
       str contents
-      number sympathyCount
-      number antipathyCount
+      int sympathyCount
+      int antipathyCount
       date date "※댓글 작성일"
     }
 
@@ -16,21 +16,21 @@ erDiagram
     }
 
     AnalysisComment {
-      number id PK
+      int id PK
       date createdAt "※댓글 작성일"
       str content
-      number sympathy
-      number antipathy
+      int sympathy
+      int antipathy
       string link
       string emotion
-      number keyword_id FK
+      int keyword_id FK
     }
 
     ArticleContent {
-      number id PK
+      int id PK
       string content
-      number score
-      number comment_id FK
+      float score
+      int comment_id FK
     }
     
     Keyword {
@@ -43,26 +43,26 @@ erDiagram
     }
 
     KeywordHistory {
-      number id PK
+      int id PK
       string description
       string action
       date createdAt "auto"
-      number keyword_id FK
+      int keyword_id FK
     }
     Admin {
-      number id PK
+      int id PK
       string login_id UK
       string password
       string name
       date createdAt
     }
     TokenInfo {
-      number id PK
+      int id PK
       string refresh_key "nullable"
     }
     NewsSource {
-      number id PK
-      number media_id
+      int id PK
+      int media_id
       string media_name
       date createdAt
     }
diff --git a/backend/server/docs/img/crawling_module.png b/backend/server/docs/img/crawling_module.png
new file mode 100644
index 0000000..b46e39b
Binary files /dev/null and b/backend/server/docs/img/crawling_module.png differ
diff --git a/backend/server/docs/img/server.png b/backend/server/docs/img/server.png
new file mode 100644
index 0000000..02cb028
Binary files /dev/null and b/backend/server/docs/img/server.png differ
diff --git a/backend/server/src/analysis-comment/analysis-comment.controller.spec.ts b/backend/server/src/analysis-comment/analysis-comment.controller.spec.ts
index 06fd33d..6450f6c 100644
--- a/backend/server/src/analysis-comment/analysis-comment.controller.spec.ts
+++ b/backend/server/src/analysis-comment/analysis-comment.controller.spec.ts
@@ -36,6 +36,7 @@ describe('AnalysisCommentController', () => {
         content: '',
         createdAt: new Date(),
         emotion: '',
+        big_emotion: '',
         keyword_id: 0,
         link: '',
         news_sentences: [],
diff --git a/backend/server/src/analysis-comment/analysis-comment.service.ts b/backend/server/src/analysis-comment/analysis-comment.service.ts
index a78754d..e02ebec 100644
--- a/backend/server/src/analysis-comment/analysis-comment.service.ts
+++ b/backend/server/src/analysis-comment/analysis-comment.service.ts
@@ -4,7 +4,7 @@ import { Between, DataSource, FindOperator, Repository } from 'typeorm';
 import { AnalysisComment } from './entity/analysis-comment.entity';
 import { CreateCommentReqDto } from './dtos/create-comment.dto';
 import { ArticleContent } from './entity/article-content.entity';
-import { GetCommentsQueriesReqDto } from './dtos/get-comments-query.dto';
+import { CommentsQueriesReqDto } from './dtos/get-comments-query.dto';
 
 @Injectable()
 export class AnalysisCommentService {
@@ -23,6 +23,7 @@ export class AnalysisCommentService {
     comment.sympathy = dtos.sympathy;
     comment.antipathy = dtos.antipathy;
     comment.emotion = dtos.emotion;
+    comment.big_emotion = dtos.big_emotion;
     comment.link = dtos.link;
     comment.keyword_id = dtos.keyword_id;
 
@@ -92,7 +93,7 @@ export class AnalysisCommentService {
     head_id,
     from,
     to,
-  }: GetCommentsQueriesReqDto) {
+  }: CommentsQueriesReqDto) {
     if (!search) return [];
 
     const qb = this.comment_repo.createQueryBuilder();
@@ -103,6 +104,7 @@ export class AnalysisCommentService {
       'sympathy',
       'antipathy',
       'emotion',
+      'big_emotion',
       'link',
     ]).where(`keyword_id IN (SELECT id FROM keyword WHERE name = :name)`, {
       name: search,
@@ -131,7 +133,16 @@ export class AnalysisCommentService {
 
     const qb = this.dataSource
       .createQueryBuilder()
-      .select(['id', 'content', 'sympathy', 'antipathy', 'emotion'])
+      .select([
+        'id',
+        'createdAt',
+        'content',
+        'sympathy',
+        'antipathy',
+        'emotion',
+        'big_emotion',
+        'link',
+      ])
       .from((subQuery) => {
         subQuery
           .select('*')
@@ -148,6 +159,11 @@ export class AnalysisCommentService {
         return subQuery;
       }, 'temp')
       .where('ranking = 1');
-    return await qb.getRawMany();
+    const data = await qb.getRawMany();
+    return data.map((it) => {
+      const comment = new AnalysisComment();
+      Object.assign(comment, it);
+      return comment;
+    });
   }
 }
diff --git a/backend/server/src/analysis-comment/dtos/create-comment.dto.ts b/backend/server/src/analysis-comment/dtos/create-comment.dto.ts
index bbdf7d2..9104bab 100644
--- a/backend/server/src/analysis-comment/dtos/create-comment.dto.ts
+++ b/backend/server/src/analysis-comment/dtos/create-comment.dto.ts
@@ -42,11 +42,18 @@ export class CreateCommentReqDto {
 
   /**
    * 댓글의 대표 감정
-   * @example happiness
+   * @example 행복
    */
   @IsString()
   emotion: string;
 
+  /**
+   * 댓글의 감정 대분류
+   * @example 행복
+   */
+  @IsString()
+  big_emotion: string;
+
   /**
    * 대응되는 키워드의 id 값
    * @example 1
diff --git a/backend/server/src/analysis-comment/dtos/get-comments-query.dto.ts b/backend/server/src/analysis-comment/dtos/get-comments-query.dto.ts
index 192aed5..3479610 100644
--- a/backend/server/src/analysis-comment/dtos/get-comments-query.dto.ts
+++ b/backend/server/src/analysis-comment/dtos/get-comments-query.dto.ts
@@ -2,7 +2,7 @@ import { IsString, IsNumber, IsOptional, IsDateString } from 'class-validator';
 /**
  * 댓글 검색에 사용되는 쿼리 목록
  */
-export class GetCommentsQueriesReqDto {
+export class CommentsQueriesReqDto {
   /**
    * 검색어
    * @example 윤석열
diff --git a/backend/server/src/analysis-comment/entity/analysis-comment.entity.ts b/backend/server/src/analysis-comment/entity/analysis-comment.entity.ts
index 495424c..3d689d3 100644
--- a/backend/server/src/analysis-comment/entity/analysis-comment.entity.ts
+++ b/backend/server/src/analysis-comment/entity/analysis-comment.entity.ts
@@ -41,18 +41,24 @@ export class AnalysisComment {
   @Column()
   link: string;
   /**
-   * 댓글에 할당된 감정
+   * 댓글에 할당된 감정(기쁨, 슬픔, 당황, 분노 등)
    */
   @Column()
   emotion: string;
 
+  /**
+   * 댓글에 할당된 감정 대분류(긍정 / 부정 / 중립)
+   */
+  @Column()
+  big_emotion: string;
+
   @Column()
   keyword_id: number;
 
   @OneToMany(() => ArticleContent, (content) => content.comment)
-  news_sentences: ArticleContent[];
+  news_sentences?: ArticleContent[];
 
   @JoinColumn({ name: 'keyword_id' })
   @ManyToOne(() => Keyword, (keyword) => keyword.comments)
-  keyword: Keyword;
+  keyword?: Keyword;
 }
diff --git a/backend/server/src/analysis-comment/entity/article-content.entity.ts b/backend/server/src/analysis-comment/entity/article-content.entity.ts
index f027247..17a544e 100644
--- a/backend/server/src/analysis-comment/entity/article-content.entity.ts
+++ b/backend/server/src/analysis-comment/entity/article-content.entity.ts
@@ -22,7 +22,7 @@ export class ArticleContent {
   /**
    * 댓글과 문장 사이의 연관도 점수(-1 ~ 1 사이)
    */
-  @Column()
+  @Column({ type: 'float' })
   score: number;
 
   /**
diff --git a/backend/server/src/search/dtos/keyword-with-top-comments.dto.ts b/backend/server/src/search/dtos/keyword-with-top-comments.dto.ts
index 2ce6c66..2734a41 100644
--- a/backend/server/src/search/dtos/keyword-with-top-comments.dto.ts
+++ b/backend/server/src/search/dtos/keyword-with-top-comments.dto.ts
@@ -27,17 +27,14 @@ export class KeywordWithTopCommentsReqQueryDto {
   @IsOptional()
   to?: string;
 }
-
 export class OutCommentDto
-  implements
-    Omit<
-      AnalysisComment,
-      'link' | 'keyword_id' | 'news_sentences' | 'keyword' | 'createdAt'
-    >
+  implements Omit<AnalysisComment, 'keyword_id' | 'news_sentences' | 'keyword'>
 {
   @Expose()
   id: number;
   @Expose()
+  createdAt: Date;
+  @Expose()
   content: string;
   @Expose()
   sympathy: number;
@@ -45,12 +42,16 @@ export class OutCommentDto
   antipathy: number;
   @Expose()
   emotion: string;
+  @Expose()
+  big_emotion: string;
+  @Expose()
+  link: string;
 }
 
 export class KeywordWithTopCommentsResDto {
   @Expose()
   keyword: OutKeywordDto;
 
-  @Expose()
+  @Expose({ toClassOnly: false, toPlainOnly: false })
   comments: OutCommentDto[];
 }
diff --git a/backend/server/src/search/search.controller.ts b/backend/server/src/search/search.controller.ts
index f5758e4..aea5723 100644
--- a/backend/server/src/search/search.controller.ts
+++ b/backend/server/src/search/search.controller.ts
@@ -25,7 +25,7 @@ export class SearchController {
     description: '중요한 키워드 목록을 반환한다.',
     type: () => PopularKeywordsResDto,
   })
-  // @Serialize(PopularKeywordsResDto)
+  @Serialize(PopularKeywordsResDto)
   @Get('popular-keywords')
   async getPopularKeywords(
     @Query() dto: PopularKeywordsReqQueryDto,
@@ -46,7 +46,7 @@ export class SearchController {
     status: 200,
     type: () => KeywordWithTopCommentsResDto,
   })
-  @Serialize(KeywordWithTopCommentsResDto)
+  // @Serialize(KeywordWithTopCommentsResDto)
   @Get('keyword-search-result')
   async getKeywordWithTopComments(
     @Query() dto: KeywordWithTopCommentsReqQueryDto,
diff --git a/backend/server/src/search/search.service.ts b/backend/server/src/search/search.service.ts
index f37755b..3239024 100644
--- a/backend/server/src/search/search.service.ts
+++ b/backend/server/src/search/search.service.ts
@@ -73,8 +73,8 @@ export class SearchService {
       id,
       true,
     );
-    if (!commentWithSentences)
-      throw new NotFoundException(`there is no comment id: ${id}`);
+    // if (!commentWithSentences)
+    //   throw new NotFoundException(`there is no comment id: ${id}`);
     return commentWithSentences;
   }