commemt fix

Change-Id: I43d07c00de12649e25a4d925c59f3544b8d0b29d
diff --git a/src/main/java/com/example/g8backend/service/ICommentService.java b/src/main/java/com/example/g8backend/service/ICommentService.java
index ea82f8f..4fc9a03 100644
--- a/src/main/java/com/example/g8backend/service/ICommentService.java
+++ b/src/main/java/com/example/g8backend/service/ICommentService.java
@@ -1,12 +1,13 @@
 package com.example.g8backend.service;
 
+import com.example.g8backend.dto.CommentDTO;
 import com.example.g8backend.entity.Comment;
 
 import java.util.List;
 
 public interface ICommentService {
 
-    void createComment(Long postId, Long userId, String content, Long parentCommentId);
+    void createComment(CommentDTO commentDTO);
 
     List<Comment> getCommentsByPostId(Long postId);
 
diff --git a/src/main/java/com/example/g8backend/service/impl/CommentServiceImpl.java b/src/main/java/com/example/g8backend/service/impl/CommentServiceImpl.java
index fae8a1f..2e0be02 100644
--- a/src/main/java/com/example/g8backend/service/impl/CommentServiceImpl.java
+++ b/src/main/java/com/example/g8backend/service/impl/CommentServiceImpl.java
@@ -1,5 +1,6 @@
 package com.example.g8backend.service.impl;
 
+import com.example.g8backend.dto.CommentDTO;
 import com.example.g8backend.entity.Comment;
 import com.example.g8backend.mapper.CommentMapper;
 import com.example.g8backend.service.ICommentService;
@@ -17,12 +18,12 @@
     private CommentMapper commentMapper;
 
     @Override
-    public void createComment(Long postId, Long userId, String content, Long parentCommentId) {
+    public void createComment(CommentDTO commentDTO) {
         Comment comment = new Comment();
-        comment.setPostId(postId);
-        comment.setUserId(userId);
-        comment.setContent(content);
-        comment.setParentCommentId(parentCommentId); // 如果是顶级评论为NULL
+        comment.setPostId(commentDTO.getPostId());
+        comment.setUserId(commentDTO.getUserId());
+        comment.setContent(commentDTO.getContent());
+        comment.setParentCommentId(commentDTO.getParentCommentId());
         commentMapper.insert(comment);
     }