lxzn-module-dnc/src/main/java/org/jeecg/modules/dnc/service/impl/DeviceGroupPermissionServiceImpl.java
@@ -144,10 +144,6 @@
                permissionStreamList.add(stream);
            }
        });
        //校验清空设备分组权限操作
        List<MdcUserProduction> existList = mdcUserProductionService.list(new QueryWrapper<MdcUserProduction>().eq("pro_id",mdcProduction.getId()));
        if(existList.size() <= mdcUserProductions.size())
            ExceptionCast.cast(DeviceGroupCode.DEVICE_GROUP_USER_NONE);
        if(!mdcUserProductions.isEmpty()) {
            boolean b = mdcUserProductionService.removeByCollection(mdcUserProductions);
            if(!b) {