diff --git a/src/main/java/com/whdc/service/impl/AdinfoServiceImpl.java b/src/main/java/com/whdc/service/impl/AdinfoServiceImpl.java
index ee6fba2..7dd7cbc 100644
--- a/src/main/java/com/whdc/service/impl/AdinfoServiceImpl.java
+++ b/src/main/java/com/whdc/service/impl/AdinfoServiceImpl.java
@@ -98,7 +98,7 @@ public class AdinfoServiceImpl extends ServiceImpl<AdinfoMapper, Adinfo> impleme
 
     public List<Adinfo> treeList(String adcd, String adnm) {
 
-        if(adcd.endsWith("0000000000000")){
+        if(StringUtils.isNotBlank(adcd) && adcd.endsWith("0000000000000")){
             adcd = adcd.substring(0,2);
         }
         if (StringUtils.isNotBlank(adcd) && StringUtils.isNotBlank(adnm)) {