diff --git a/src/main/java/com/lovenav/entity/CommentNode.java b/src/main/java/com/lovenav/entity/CommentNode.java
new file mode 100644
index 0000000..ff7d1bb
--- /dev/null
+++ b/src/main/java/com/lovenav/entity/CommentNode.java
@@ -0,0 +1,44 @@
+package com.lovenav.entity;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 功能描述：封装博客评论的BO <br>
+ * 采用链表结构实现
+ **/
+@EqualsAndHashCode(callSuper = true)
+@Data
+@NoArgsConstructor
+public class CommentNode extends Comment {
+
+    /**
+     * 评论的用户信息
+     */
+    private User user;
+
+    /**
+     * 下一条回复
+     */
+    private List<CommentNode> nextNodes = new ArrayList<>();
+
+    public CommentNode ( CommentNode commentNode ) {
+        super();
+        setId(commentNode.getId());
+        setUrlId(commentNode.getUrlId());
+        setUserId(commentNode.getUserId());
+        setContent(commentNode.getContent());
+        setRootCommentId(commentNode.getRootCommentId());
+        setCommentStatus(commentNode.getCommentStatus());
+        setCommentTime(commentNode.getCommentTime());
+        setUpdateTime(commentNode.getUpdateTime());
+        setRating(commentNode.getRating());
+        setLikeCount(commentNode.getLikeCount());
+        this.user = commentNode.getUser();
+    }
+}