diff --git a/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java b/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
index eef89ca..dcfae38 100644
--- a/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
+++ b/luoo_comment/src/main/java/com/luoo/comment/service/CommentService.java
@@ -131,7 +131,7 @@ public class CommentService {
         }
 
         commentDao.save(comment);
-        cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_CHILDREN+"_"+comment.getParentId());
+        cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_CHILDREN+"_"+comment.getRootId());
         cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_HOT+"_"+comment.getRootJournalId());
         cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_NEW+"_"+comment.getRootJournalId());
         rabbitTemplate.convertAndSend(Constants.RABBIT_MESSAGE_CLEAN_JOURANL_QUERY_PAGE,comment.getRootJournalId());
@@ -145,7 +145,7 @@ public class CommentService {
 
     public void deleteById(String id) {
         Comment comment =commentDao.findById(id).get();
-            cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_CHILDREN+"_"+comment.getParentId());
+            cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_CHILDREN+"_"+comment.getRootId());
             cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_HOT+"_"+comment.getRootJournalId());
             cacheChannel.clear(Constants.J2CACHE_REGION_JOURNAL_COMMENT_PAGE_NEW+"_"+comment.getRootJournalId());
         rabbitTemplate.convertAndSend(Constants.RABBIT_MESSAGE_CLEAN_JOURANL_QUERY_PAGE,comment.getRootJournalId());