fix bug

core-api/src/main/java/cn/com/qmth/examcloud/service/core/service/UserService.java

@@ -146,6 +146,9 @@ public class UserService {
             List<Predicate> predicates = new ArrayList<>();
             predicates.add(cb.equal(root.get("rootOrgId"),root.get("orgId")));
             predicates.add(cb.equal(root.get("type"),userCriteria.getType()));
+            if(userCriteria.getRootOrgId() != null){
+                predicates.add(cb.equal(root.get("rootOrgId"),userCriteria.getRootOrgId()));
+            }
             if(StringUtils.isNotEmpty(userCriteria.getLoginName())){
                 predicates.add(cb.like(root.get("loginName"),"%"+userCriteria.getLoginName()+"%"));
             }