diff --git a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/service/impl/AppDynamicCommentServiceImpl.java b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/service/impl/AppDynamicCommentServiceImpl.java
index 7e3bb6b..3fd9bb4 100644
--- a/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/service/impl/AppDynamicCommentServiceImpl.java
+++ b/gan-modules/ruoyi-gan/src/main/java/com/ruoyi/app/service/impl/AppDynamicCommentServiceImpl.java
@@ -60,7 +60,7 @@ public class AppDynamicCommentServiceImpl implements IAppDynamicCommentService
     @Override
     public int insertAppDynamicComment(AppDynamicComment appDynamicComment)
     {
-        if (appDynamicComment.getParentId() > 0) {
+        if (appDynamicComment.getParentId() != null && appDynamicComment.getParentId() > 0) {
             AppDynamicComment entity = appDynamicCommentMapper.selectAppDynamicCommentById(appDynamicComment.getId());
             appDynamicComment.setParentIds(appDynamicComment.getParentId() + ",");
             if (StringUtils.isNotBlank(entity.getParentIds())) {