Merge branch 'dev_v3.4.4' into dev_v3.4.5

distributed-print-business/src/main/java/com/qmth/distributed/print/business/service/impl/ExamDetailServiceImpl.java

@@ -951,6 +951,7 @@ public class ExamDetailServiceImpl extends ServiceImpl<ExamDetailMapper, ExamDet
             if (CreatePdfTypeEnum.ALL.equals(type)) {
                 lambdaUpdateWrapper.set(ExamDetail::getAttachmentPath, null);
             }
+            lambdaUpdateWrapper.set(ExamDetail::getMergePdfPath, null);
             lambdaUpdateWrapper.eq(ExamDetail::getId, entityId);
             this.update(examDetailUpdateWrapper);
         }