..

examcloud-core-basic-api-provider/src/main/java/cn/com/qmth/examcloud/core/basic/api/controller/RolePrivilegeController.java

@@ -229,8 +229,10 @@ public class RolePrivilegeController extends ControllerSupport {
 			throw new StatusException("B-020001", "权限组不存在");
 		}
 
-		if (BasicConsts.ROOT_PRIVILEGE_ID != privilege.getParentId()) {
-
+		if (null == privilege.getParentId()
+				|| BasicConsts.ROOT_PRIVILEGE_ID == privilege.getParentId()) {
+			privilege.setParentId(null);
+		} else {
 			PrivilegeEntity parentPrivilege = privilegeRepo.findOne(privilege.getParentId());
 			if (null == parentPrivilege) {
 				throw new StatusException("B-020002", "父权限不存在");
@@ -238,8 +240,6 @@ public class RolePrivilegeController extends ControllerSupport {
 			if (!parentPrivilege.getGroupId().equals(privilege.getGroupId())) {
 				throw new StatusException("B-020003", "权限组错误");
 			}
-		} else {
-			privilege.setParentId(null);
 		}
 
 		PrivilegeEntity ret = privilegeRepo.save(privilege);