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src/main/java/com/lovenav/entity/Comment.java

@@ -9,6 +9,10 @@ import lombok.Data;
  */
 @Data
 public class Comment implements Serializable {
+    public Comment(){
+        this.likeCount = Long.valueOf(0);
+        this.commentStatus = 1;
+    }
     public Integer getId() {
         return id;
     }