diff --git a/src/main/java/com/yunhai/bschclassmanage/service/impl/classes/SchClassHigherService.java b/src/main/java/com/yunhai/bschclassmanage/service/impl/classes/SchClassHigherService.java
index b2a01cc..22f9e9c 100644
--- a/src/main/java/com/yunhai/bschclassmanage/service/impl/classes/SchClassHigherService.java
+++ b/src/main/java/com/yunhai/bschclassmanage/service/impl/classes/SchClassHigherService.java
@@ -115,7 +115,7 @@ public class SchClassHigherService {
             entity.setGroupId(parentId);
 
             List<SelectIntVO> classGroupList = comSchTreeService.getSchGroupTypeList(schId, NodeType.CLASS.getId()).get(schsystemId);
-            if (classGroupList != null && classGroupList.size()==0){
+            if (classGroupList == null || classGroupList.size()==0){
                 BoaGroup classGroup=  sendUserBaseService.addGroup(entity.getName(),parentId,startSort,NodeType.CLASS,schId);
                 parentId=classGroup.getId();
             }else {