diff --git a/ruoyi-service/src/main/java/com/ruoyi/bst/articleCategory/service/impl/ArticleCategoryServiceImpl.java b/ruoyi-service/src/main/java/com/ruoyi/bst/articleCategory/service/impl/ArticleCategoryServiceImpl.java
index 28b1662..e030951 100644
--- a/ruoyi-service/src/main/java/com/ruoyi/bst/articleCategory/service/impl/ArticleCategoryServiceImpl.java
+++ b/ruoyi-service/src/main/java/com/ruoyi/bst/articleCategory/service/impl/ArticleCategoryServiceImpl.java
@@ -93,8 +93,8 @@ public class ArticleCategoryServiceImpl implements ArticleCategoryService
         if(articleCategory.getParentId()!= null) {
             ArticleCategoryVO vo = articleCategoryMapper.selectArticleCategoryById(articleCategory.getParentId());
             ServiceUtil.assertion(vo==null,"当前分类不存在");
-            // 只允许两次分类
-            if (vo.getParentId()!=0) {
+            //
+            if (vo.getParentId() != null && vo.getParentId()!=0) {
                 Boolean hasParent = hasParent(articleCategory.getParentId());
                 ServiceUtil.assertion(hasParent,"该分类下不允许再次分类");
             }