diff --git a/tone-page-server/src/blog/blog.controller.ts b/tone-page-server/src/blog/blog.controller.ts
index 3b59255..56abd27 100644
--- a/tone-page-server/src/blog/blog.controller.ts
+++ b/tone-page-server/src/blog/blog.controller.ts
@@ -94,10 +94,10 @@ export class BlogController {
 
     const comment = {
       ...commentData,
-      blogId: id,
-      user: user,
-      ip: ip,
-      address: address,
+      blog,
+      user,
+      ip,
+      address,
     };
 
     return await this.blogService.createComment(comment);
diff --git a/tone-page-server/src/blog/blog.service.ts b/tone-page-server/src/blog/blog.service.ts
index 1d3af3f..c403428 100644
--- a/tone-page-server/src/blog/blog.service.ts
+++ b/tone-page-server/src/blog/blog.service.ts
@@ -11,7 +11,7 @@ export class BlogService {
     private readonly blogRepository: Repository<Blog>,
     @InjectRepository(BlogComment)
     private readonly blogCommentRepository: Repository<BlogComment>,
-  ) {}
+  ) { }
 
   async list() {
     return this.blogRepository.find({
@@ -46,9 +46,14 @@ export class BlogService {
     await this.blogRepository.increment({ id }, 'viewCount', 1);
   }
 
-  async getComments(id: string) {
+  async getComments(blogId: string) {
+    const blog = await this.findById(blogId);
+    if (!blog) {
+      throw new Error('文章不存在');
+    }
+
     return this.blogCommentRepository.find({
-      where: { blogId: id },
+      where: { blog },
       relations: ['user'],
       order: {
         createdAt: 'DESC',
diff --git a/tone-page-server/src/blog/entity/BlogComment.ts b/tone-page-server/src/blog/entity/BlogComment.ts
index 76a0b64..ad5f7dd 100644
--- a/tone-page-server/src/blog/entity/BlogComment.ts
+++ b/tone-page-server/src/blog/entity/BlogComment.ts
@@ -8,6 +8,7 @@ import {
   ManyToOne,
   PrimaryGeneratedColumn,
 } from 'typeorm';
+import { Blog } from './Blog.entity';
 
 @Entity()
 export class BlogComment {
@@ -33,8 +34,9 @@ export class BlogComment {
   @JoinColumn({ name: 'userId' })
   user: User | null;
 
-  @Column({ type: 'uuid', nullable: true })
-  blogId: string | null;
+  @ManyToOne(() => Blog)
+  @JoinColumn({ name: 'blogId' })
+  blog: Blog | null;
 
   @Column({ type: 'uuid', nullable: true })
   parentId: string | null;