diff --git a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
index a62f2c64..5348179d 100644
--- a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
+++ b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordRelationServiceImpl.java
@@ -165,6 +165,12 @@ public class ChangeRecordRelationServiceImpl extends ServiceImpl<ChangeRecordRel
         AssertUtil.notNull(record, "未找到变洽签记录");
         AssertUtil.isTrue(Objects.equals(record.getImGroupId(), req.getImGroupId()), "IM群信息不匹配");
 
+        List<ChangeRecordRelation> relations = findByCondition(VisaRelationDto.builder()
+                .visaId(req.getVisaId())
+                .varName(VisaRelationFieldEnum.IM_GROUP_PARTICIPATE.name())
+                .content(String.valueOf(req.getOperatorPersonId()))
+                .build());
+        AssertUtil.isEmpty(relations, "不允许重复操作");
         ChangeRecordRelation relation = new ChangeRecordRelation();
         relation.setVisaId(req.getVisaId());
         relation.setVarName(VisaRelationFieldEnum.IM_GROUP_PARTICIPATE.name());