bug修复

src/main/java/com/project/classicpaper/domain/service/impl/ImportClassicPaperDomainServiceImpl.java

@@ -188,7 +188,7 @@ public class ImportClassicPaperDomainServiceImpl implements ImportClassicPaperDo
                     scoringPoints.add(spDTO);
                 }
                 detailDTO.setScoringPoints(scoringPoints);
-            }else {
+            }else if (shortAnswerNum > 0){
                 throw new BusinessErrorException("导入简答题没有得分点，请补充");
             }