fix: 后端代码格式化

backend/src/main/java/com/openisle/dto/CommentInfoDto.java

@@ -1,15 +1,15 @@
 package com.openisle.dto;
 
-import lombok.Data;
-
 import java.time.LocalDateTime;
+import lombok.Data;
 
 /** DTO for comment information in user profiles. */
 @Data
 public class CommentInfoDto {
-    private Long id;
-    private String content;
-    private LocalDateTime createdAt;
-    private PostMetaDto post;
-    private ParentCommentDto parentComment;
+
+  private Long id;
+  private String content;
+  private LocalDateTime createdAt;
+  private PostMetaDto post;
+  private ParentCommentDto parentComment;
 }