修复已知问题，删除指标时增加判断

VVT789

2025-03-22 a240bf0d15a2bb8a40ffe0b0e3c1b6efbed5b6d5

 zhitan-admin/src/main/java/com/zhitan/web/controller/energyMonitor/ElectricThreePhaseController.java

@@ -56,6 +56,7 @@
        if (ObjectUtils.isEmpty(meterId)){
            return AjaxResult.error("电表id不能为空");
        }

        List<EnergyIndex> energyIndexList = energyIndexService.listDeviceIndex(nodeId, meterId);

        return AjaxResult.success(electricThreePhaseService.list(timeType, timeCode, energyIndexList, requestType, meterId));