update

src/main/java/com/gogirl/application/store/complaint/impl/ComplaintMainServiceImpl.java

@@ -21,6 +21,7 @@ import org.springframework.stereotype.Service;
 import javax.annotation.Resource;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 /**
@@ -81,14 +82,14 @@ public class ComplaintMainServiceImpl extends ServiceImpl<ComplaintMainMapper, C
 
             complaintDetailedService.saveBatch(complaintDetailedList);
 
-            List<Integer> orderTechnicianIds = orderServeMapper.selectList(
+            Set<Integer> orderTechnicianIds = orderServeMapper.selectList(
                     new LambdaQueryWrapper<OrderServe>().eq(OrderServe::getOrderId, complaintMain.getOrderId()))
                     .stream()
                     .map(OrderServe::getTechnicianId)
                     .map(technicianIds -> Lists.newArrayList(technicianIds.split(",")))
                     .flatMap(List::stream)
                     .map(Integer::valueOf)
-                    .collect(Collectors.toList());
+                    .collect(Collectors.toSet());
 
             List<ComplaintDetailedTechnician> complaintDetailedTechnicianList = complaintDetailedList
                     .stream()