bugfix 运营端小程序查询枪口详情空指针

jsowell-pile/src/main/java/com/jsowell/pile/service/impl/PileConnectorInfoServiceImpl.java

@@ -1223,6 +1223,9 @@ public class PileConnectorInfoServiceImpl implements PileConnectorInfoService {
         BusinessConnectorInfoVO vo = new BusinessConnectorInfoVO();
         BusinessConnectorDetailVO detailVO = new BusinessConnectorDetailVO();
         PileConnectorInfoVO pileConnectorInfoVO = getPileConnectorInfoByConnectorCode(pileConnectorCode);
+        if (pileConnectorInfoVO == null) {
+            return vo;
+        }
         String status = String.valueOf(pileConnectorInfoVO.getStatus());
         if (StringUtils.equals(PileConnectorDataBaseStatusEnum.OCCUPIED_CHARGING.getValue(), status)) {
             // 充电中