diff --git a/ht/src/main/java/com/ccsens/ht/service/QuestionService.java b/ht/src/main/java/com/ccsens/ht/service/QuestionService.java
index 8df7dbba..c468cab6 100644
--- a/ht/src/main/java/com/ccsens/ht/service/QuestionService.java
+++ b/ht/src/main/java/com/ccsens/ht/service/QuestionService.java
@@ -304,7 +304,7 @@ public class QuestionService implements IQuestionService {
             return;
         }
         Integer maxSort = htQuestionDao.selectMaxSort(question.getEvaluationCode());
-        if (question.getSort() != null && question.getSort().intValue() >= maxSort) {
+        if (question.getSort() != null && maxSort != null && question.getSort().intValue() >= maxSort) {
             report.setShowStatus(Constant.Ht.Report.SHOW_HISTORY);
             htPatientReportMapper.updateByPrimaryKeySelective(report);
         }