diff --git a/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/PayRandomCodeService.java b/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/PayRandomCodeService.java
index e97676a0..f31bb4db 100644
--- a/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/PayRandomCodeService.java
+++ b/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/PayRandomCodeService.java
@@ -3,9 +3,9 @@ package com.jero.meeting.service;
 import cn.hutool.core.util.RandomUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.jero.common.constant.CommonConstant;
+import com.jero.common.exception.JeroBootException;
 import com.jero.meeting.entity.PayRandomCodeLink;
 import com.jero.meeting.mapper.PayRandomCodeLinkMapper;
-import net.sf.saxon.om.Item;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import javax.annotation.Resource;
@@ -30,17 +30,26 @@ public class PayRandomCodeService extends ServiceImpl<PayRandomCodeMapper, PayRa
     private PayRandomCodeLinkMapper randomCodeLinkMapper;
 
     public void add(PayRandomCode randomCode) {
-        randomCodeMapper.insert(randomCode);
+        LambdaQueryWrapper<PayRandomCode> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(PayRandomCode::getMeetingId,randomCode.getMeetingId());
+        wrapper.eq(PayRandomCode::getGuestType,randomCode.getGuestType());
+        Integer integer = randomCodeMapper.selectCount(wrapper);
+        if (integer > 0){
+            throw new JeroBootException("已经有相同嘉宾类型");
+        }
+
         String randomCodeId = randomCode.getRandomCodeId();
         List<PayRandomCodeLink> randomCodeLinkList = randomCode.getRandomCodeLinkList();
         for (PayRandomCodeLink randomCodeLink : randomCodeLinkList) {
             randomCodeLink.setRandomCodeId(randomCodeId);
         }
+        randomCode.setRandomCodeCount(randomCodeLinkList.size());
+        randomCodeMapper.insert(randomCode);
         randomCodeLinkMapper.insertList(randomCodeLinkList);
     }
 
     public void editById(PayRandomCode randomCode) {
-        randomCodeMapper.updateById(randomCode);
+
         String randomCodeId = randomCode.getRandomCodeId();
         //先删除未使用的
         LambdaQueryWrapper<PayRandomCodeLink> wrapper = new LambdaQueryWrapper<>();
@@ -71,6 +80,9 @@ public class PayRandomCodeService extends ServiceImpl<PayRandomCodeMapper, PayRa
         for (PayRandomCodeLink randomCodeLink : unUseList) {
             randomCodeLink.setRandomCodeId(randomCodeId);
         }
+        //更新数量
+        randomCode.setRandomCodeCount(useRandomCodeLinkList.size() + unUseList.size());
+        randomCodeMapper.updateById(randomCode);
         randomCodeLinkMapper.insertList(unUseList);
     }
 
@@ -102,5 +114,22 @@ public class PayRandomCodeService extends ServiceImpl<PayRandomCodeMapper, PayRa
             return randomCodeLinkList;
         }
     }
+    public Integer validCode(String meetingId, Integer guestType, String randomCode){
+        LambdaQueryWrapper<PayRandomCode> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(PayRandomCode::getMeetingId,meetingId);
+        wrapper.eq(PayRandomCode::getGuestType,guestType);
+        PayRandomCode payRandomCode = randomCodeMapper.selectOne(wrapper);
 
+        LambdaQueryWrapper<PayRandomCodeLink> wrapper1 = new LambdaQueryWrapper<>();
+        wrapper1.eq(PayRandomCodeLink::getRandomCodeId,payRandomCode.getRandomCodeId());
+        wrapper1.eq(PayRandomCodeLink::getUseFlag, CommonConstant.DEL_FLAG_0);
+        wrapper1.eq(PayRandomCodeLink::getRandomCode,randomCode);
+        Integer integer = randomCodeLinkMapper.selectCount(wrapper1);
+        if (integer == 0){
+            throw new JeroBootException("邀请码无效");
+        }else {
+            return guestType;
+        }
+
+    }
 }
diff --git a/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/impl/PayMeetingSituationServiceImpl.java b/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/impl/PayMeetingSituationServiceImpl.java
index e6442e4e..998208fd 100644
--- a/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/impl/PayMeetingSituationServiceImpl.java
+++ b/jero-boot-incoming-payment/src/main/java/com/jero/meeting/service/impl/PayMeetingSituationServiceImpl.java
@@ -51,6 +51,7 @@ import com.jero.meeting.mapper.PayMeetingSituationMapper;
 import com.jero.meeting.service.IPayMeetingContactsService;
 import com.jero.meeting.service.IPayMeetingService;
 import com.jero.meeting.service.IPayMeetingSituationService;
+import com.jero.meeting.service.PayRandomCodeService;
 import com.jero.meeting.valid.group.*;
 import com.jero.meeting.vo.*;
 import com.jero.meeting.vo.excel.*;
@@ -141,6 +142,8 @@ public class PayMeetingSituationServiceImpl extends ServiceImpl<PayMeetingSituat
     private IPayMeetingContactsService meetingContactsService;
     @Resource
     private IPayWorkingGroupSubItemContactsService workingGroupSubItemContactsService;
+    @Resource
+    private PayRandomCodeService randomCodeService;
 
 
     private static final String[] CAN_MODIFY_LIST =
@@ -315,21 +318,8 @@ public class PayMeetingSituationServiceImpl extends ServiceImpl<PayMeetingSituat
         String invitationCode = payMeetingSituation.getInvitationCode();
         if (meetingType.equals(Integer.parseInt(MeetingCommon.INTERNATIONAL_MEETING)) &&
                 StrUtil.isNotBlank(invitationCode)) {
-            String vipInvitationCode = payMeeting.getVipInvitationCode();
-            String speakerInvitationCode = payMeeting.getSpeakerInvitationCode();
-            String guestInvitationCode = payMeeting.getGuestInvitationCode();
-            String cooperativeInvitationCode = payMeeting.getCooperativeInvitationCode();
-            if (invitationCode.equals(vipInvitationCode)) {
-                payMeetingSituation.setGuestType(MeetingSubitemCommon.VIP);
-            } else if (invitationCode.equals(speakerInvitationCode)) {
-                payMeetingSituation.setGuestType(MeetingSubitemCommon.SPEAKER);
-            } else if (invitationCode.equals(guestInvitationCode)) {
-                payMeetingSituation.setGuestType(MeetingSubitemCommon.GUEST);
-            } else if (invitationCode.equals(cooperativeInvitationCode)) {
-                payMeetingSituation.setGuestType(MeetingSubitemCommon.COOPERATIVE);
-            } else {
-                throw new JeroBootException("邀请码无效");
-            }
+            Integer guestType = validInvitationCode(payMeeting, invitationCode);
+            payMeetingSituation.setGuestType(guestType);
             payMeetingSituation.setIdentity(MeetingSubitemCommon.JIA_BIN);
         }
         //处理校验参会人信息
@@ -346,6 +336,31 @@ public class PayMeetingSituationServiceImpl extends ServiceImpl<PayMeetingSituat
                 && Objects.equals(payMeetingSituation1.getCheckResult(), MeetingSubitemCommon.SIGNUP_STATUS_1);
     }
 
+    /**
+     * 校验国际研讨会邀请码
+     */
+    private Integer validInvitationCode(PayMeeting payMeeting, String invitationCode) {
+        String meetingId = payMeeting.getId();
+        String vipInvitationCode = payMeeting.getVipInvitationCode();
+        String speakerInvitationCode = payMeeting.getSpeakerInvitationCode();
+        String guestInvitationCode = payMeeting.getGuestInvitationCode();
+        String cooperativeInvitationCode = payMeeting.getCooperativeInvitationCode();
+        String[] split = invitationCode.split("-");
+        String code = split[0];
+        String randomCode = split[1];
+        if (code.equals(vipInvitationCode)) {
+            return randomCodeService.validCode(meetingId, MeetingSubitemCommon.VIP, randomCode);
+        } else if (code.equals(speakerInvitationCode)) {
+            return randomCodeService.validCode(meetingId, MeetingSubitemCommon.SPEAKER, randomCode);
+        } else if (code.equals(guestInvitationCode)) {
+            return randomCodeService.validCode(meetingId, MeetingSubitemCommon.GUEST, randomCode);
+        } else if (code.equals(cooperativeInvitationCode)) {
+            return randomCodeService.validCode(meetingId, MeetingSubitemCommon.COOPERATIVE, randomCode);
+        } else {
+            throw new JeroBootException("邀请码无效");
+        }
+    }
+
     /**
      * 添加参会人或报名时，判断是否发送消息
      */