fix--用来信时间

src/main/java/com/biutag/supervision/service/DataMailService.java

@@ -70,7 +70,7 @@ public class DataMailService extends ServiceImpl<DataPetitionComplaintMapper, Da
         // 局长信箱
         QueryWrapper<Mail> mailQueryWrapper = new QueryWrapper<>();
         mailQueryWrapper.ne("mail_state", VALID_SIGN);
-        mailQueryWrapper.between("create_time", beginTime, endTime);
+        mailQueryWrapper.between("mail_time", beginTime, endTime);
         Long mailCount = mailMapper.selectCount(mailQueryWrapper);
 
         temp.setCountryMail(countryMail);