diff --git a/src/main/java/com/example/caseData/service/CaseClinicalArticleService.java b/src/main/java/com/example/caseData/service/CaseClinicalArticleService.java
index 0b9efb5..e279604 100644
--- a/src/main/java/com/example/caseData/service/CaseClinicalArticleService.java
+++ b/src/main/java/com/example/caseData/service/CaseClinicalArticleService.java
@@ -227,6 +227,26 @@ public class CaseClinicalArticleService {
             }
         }
 
+        // 获取下级评论
+        LambdaQueryWrapper<UserCommentClinicalArticleModel> articleQueryWrapper = new LambdaQueryWrapper<>();
+        articleQueryWrapper.eq(UserCommentClinicalArticleModel::getRootId, comment.getCommentId());
+        List<UserCommentClinicalArticleModel> userCommentClinicalArticles = userCommentClinicalArticleDao.selectList(articleQueryWrapper);
+        for (UserCommentClinicalArticleModel m : userCommentClinicalArticles){
+            // 删除评论
+            int res = userCommentClinicalArticleDao.deleteById(m.getCommentId());
+            if (res <= 0){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+
+            // 减少文章的统计字段
+            boolean r = DecClinicalArticleStats(String.valueOf(comment.getArticleId()),2,1);
+            if (!r){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+        }
+
         // 删除评论
         int res = userCommentClinicalArticleDao.deleteById(comment.getCommentId());
         if (res <= 0){
diff --git a/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java b/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
index 2e366bb..18636f6 100644
--- a/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
+++ b/src/main/java/com/example/caseData/service/CaseClinicalVideoService.java
@@ -249,6 +249,26 @@ public class CaseClinicalVideoService {
             }
         }
 
+        // 获取下级评论
+        LambdaQueryWrapper<UserCommentClinicalVideoModel> videoQueryWrapper = new LambdaQueryWrapper<>();
+        videoQueryWrapper.eq(UserCommentClinicalVideoModel::getRootId, comment.getCommentId());
+        List<UserCommentClinicalVideoModel> userCommentClinicalVideos = userCommentClinicalVideoDao.selectList(videoQueryWrapper);
+        for (UserCommentClinicalVideoModel m : userCommentClinicalVideos){
+            // 删除评论
+            int res = userCommentClinicalVideoDao.deleteById(m.getCommentId());
+            if (res <= 0){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+
+            // 减少文章的统计字段
+            boolean r = DecClinicalVideoStats(String.valueOf(comment.getVideoId()),2,1);
+            if (!r){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+        }
+
         // 删除评论
         int res = userCommentClinicalVideoDao.deleteById(comment.getCommentId());
         if (res <= 0){
diff --git a/src/main/java/com/example/caseData/service/CaseExchangeService.java b/src/main/java/com/example/caseData/service/CaseExchangeService.java
index afb450e..b647e4f 100644
--- a/src/main/java/com/example/caseData/service/CaseExchangeService.java
+++ b/src/main/java/com/example/caseData/service/CaseExchangeService.java
@@ -518,6 +518,26 @@ public class CaseExchangeService {
             return false;
         }
 
+        // 获取下级评论
+        LambdaQueryWrapper<UserCommentExchangeModel> exchangeQueryWrapper = new LambdaQueryWrapper<>();
+        exchangeQueryWrapper.eq(UserCommentExchangeModel::getRootId, comment.getCommentId());
+        List<UserCommentExchangeModel> userCommentExchanges = userCommentExchangeDao.selectList(exchangeQueryWrapper);
+        for (UserCommentExchangeModel m : userCommentExchanges){
+            // 删除评论
+            int res = userCommentExchangeDao.deleteById(m.getCommentId());
+            if (res <= 0){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+
+            // 减少文章的统计字段
+            boolean r = DecCaseExchangeStats(String.valueOf(comment.getCommentId()),2,1);
+            if (!r){
+                TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
+                return false;
+            }
+        }
+
         // 删除评论
         int res = userCommentExchangeDao.deleteById(comment.getCommentId());
         if (res <= 0){