专家邀请表导出bug修复

pmapi/src/main/java/com/ningdatech/pmapi/meeting/service/impl/MeetingExpertServiceImpl.java

@@ -23,6 +23,7 @@ import java.time.LocalDateTime;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 /**
@@ -102,7 +103,8 @@ public class MeetingExpertServiceImpl extends ServiceImpl<MeetingExpertMapper, M
 
     @Override
     public Page<MeetingExpert> pageExpertByStatusAndMeetingId(Page<MeetingExpert> page, Long meetingId, ExpertAttendStatusEnum status, Integer inviteType) {
-        return baseMapper.selectExpertByStatusAndMeetingId(page, status.getCode(), meetingId, inviteType);
+        Integer statusCode = Optional.ofNullable(status).flatMap(w -> Optional.of(w.getCode())).orElse(null);
+        return baseMapper.selectExpertByStatusAndMeetingId(page, statusCode, meetingId, inviteType);
     }
 
     @Override