[update] 城市大脑-干线评价防止空指针

signal-optimize-service/src/main/java/net/wanji/opt/service/impl/MainlineEvaluateServiceImpl.java

@@ -678,11 +678,13 @@ public class MainlineEvaluateServiceImpl implements MainlineEvaluateService {
             Integer greenwaveId = greenwaveInfoPO.getId();
             GreenwaveRealtimePO greenwaveRealtimePO = greenwaveRealtimeMapper.selectById(greenwaveId);
 
+            if (ObjectUtil.isNotEmpty(greenwaveRealtimePO)) {
                 Double trafficIndex = greenwaveRealtimePO.getTrafficIndex();
                 double roundedTrafficIndex = Math.round(trafficIndex * 100.0) / 100.0;
                 mainlineListVO.setTrafficIndex(roundedTrafficIndex);
-
                 mainlineListVO.setGreenId(greenwaveRealtimePO.getGreenId());
+
+            }
             setCrossListAndwkt(mainlineListVO, greenwaveId);
             res.add(mainlineListVO);
         }