diff --git a/core/src/main/java/com/jinrui/reference/core/service/NewsService.java b/core/src/main/java/com/jinrui/reference/core/service/NewsService.java
index 968b2c2..acbc3a1 100644
--- a/core/src/main/java/com/jinrui/reference/core/service/NewsService.java
+++ b/core/src/main/java/com/jinrui/reference/core/service/NewsService.java
@@ -155,7 +155,7 @@ public class NewsService {
                     NewsDetailTagItem tagItem = new NewsDetailTagItem();
                     tagItem.setId(tagId);
                     tagItem.setName(tag.getName());
-                    if (parentId == 1) {
+                    if (parentId!=null && parentId == 1) {
                         newsDetailTag.setSource(tagItem);
                     } else {
                         newsDetailTag.setField(tagItem);