解决布置图-渗流查询报错

src/main/java/com/gunshi/project/xyt/service/OsmoticPressRService.java

@@ -392,6 +392,7 @@ public class OsmoticPressRService extends ServiceImpl<OsmoticPressRMapper, Osmot
         }
         OsmoticQuerySo so = new OsmoticQuerySo();
         List<String> stationCodes = list.stream().map(OsmoticPressVo::getStationCode).collect(Collectors.toList());
+        if(list.stream().filter(o->o.getTm() != null).collect(Collectors.toList()).size() > 0 ){
             String maxTm = list.stream().filter(o->o.getTm() != null).max(Comparator.comparing(OsmoticPressVo::getTm)).get().getTm();
             String minTm = list.stream().filter(o->o.getTm() != null).min(Comparator.comparing(OsmoticPressVo::getTm)).get().getTm();
             so.setStationCodes(stationCodes);
@@ -410,6 +411,7 @@ public class OsmoticPressRService extends ServiceImpl<OsmoticPressRMapper, Osmot
                 }
                 return o;
             }).collect(Collectors.toList());
+        }
         return list;
     }