志愿者获取基本信息，增加三目判断

epmet-module/epmet-heart/epmet-heart-server/src/main/java/com/epmet/service/impl/VolunteerInfoServiceImpl.java

@@ -131,8 +131,8 @@ public class VolunteerInfoServiceImpl extends BaseServiceImpl<VolunteerInfoDao,
             if (volunteerFlag > NumConstant.ZERO){
                 // 获取志愿者信息
                 VolunteerInfoDTO dto = baseDao.selectVolunteerInfoByUserId(tokenDto.getUserId());
-                resultDTO.setVolunteerIntroduce(dto.getVolunteerIntroduce());
-                resultDTO.setVolunteerSignature(dto.getVolunteerSignature());
+                resultDTO.setVolunteerIntroduce(dto.getVolunteerIntroduce() == null ? "" : dto.getVolunteerIntroduce());
+                resultDTO.setVolunteerSignature(dto.getVolunteerSignature() == null ? "" : dto.getVolunteerSignature());
             }
         } else {
             logger.error("获取用户基本信息失败");