🐛 消息通知-评论被删除后数据加载失败问题修复

src/main/java/com/rymcu/forest/util/NotificationUtils.java

@@ -123,6 +123,7 @@ public class NotificationUtils {
             case "2":
                 // 回帖
                 comment = commentService.findById(notification.getDataId().toString());
+                if (Objects.nonNull(comment)) {
                     article = articleService.findArticleDTOById(comment.getCommentArticleId(), 0);
                     if (Objects.nonNull(article)) {
                         notificationDTO.setDataTitle(article.getArticleTitle());
@@ -130,6 +131,7 @@ public class NotificationUtils {
                         user = userService.findById(comment.getCommentAuthorId().toString());
                         notificationDTO.setAuthor(genAuthor(user));
                     }
+                }
                 break;
             case "3":
                 // 关注用户发布文章