diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/dynamic/query/DynamicMessageQryExe.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/dynamic/query/DynamicMessageQryExe.java
index 6d9b3748..74723f58 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/dynamic/query/DynamicMessageQryExe.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/dynamic/query/DynamicMessageQryExe.java
@@ -72,7 +72,7 @@ public class DynamicMessageQryExe {
       // 批量查询评论ID对应的 rootCommentId
       DynamicComment comment = commentMap.get(message.getDynamicCommentId());
       if (comment != null) {
-        messageCO.setRootCommentId(comment.getRootCommentId());
+        messageCO.setRootCommentId(comment.getRootCommentId() == null ? comment.getId() : comment.getRootCommentId());
       }
       
       // 处理messageContent 和 giftCount