改善调卷性能

cqb-paper/src/main/java/com/qmth/cqb/paper/service/impl/ExtractConfigServiceImpl.java

@@ -549,7 +549,7 @@ public class ExtractConfigServiceImpl implements ExtractConfigService {
 		logger.info("排序大题耗时:"+(pdSortEndTime - pdEndTime)+"ms");
 
 		//抽取大题Id对应的小题
-		Map<String,List<PaperDetailUnit>> pduMap = allPaperDetailUnits.parallelStream()
+		Map<String,List<PaperDetailUnit>> pduMap = allPaperDetailUnits.stream()
 				.collect(Collectors.groupingBy(PaperDetailUnit::getDetailId));
 		long pduMapEndTime = System.currentTimeMillis();
 		logger.info("获取大题与小题对应关系耗时:"+(pduMapEndTime - pdSortEndTime)+"ms");