diff --git a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordServiceImpl.java b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordServiceImpl.java
index 47512cef..19e0dce0 100644
--- a/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordServiceImpl.java
+++ b/visa/visa-server/src/main/java/cn/axzo/nanopart/visa/server/service/impl/ChangeRecordServiceImpl.java
@@ -83,6 +83,7 @@ import cn.axzo.orggateway.api.nodeuser.dto.OrgNodeUserDTO;
 import cn.axzo.orggateway.api.nodeuser.req.ListOrgNodeUserReq;
 import cn.axzo.orgmanax.dto.nodeuser.req.ListNodeUserReq;
 import cn.axzo.workflow.common.enums.BpmnProcessInstanceResultEnum;
+import cn.axzo.workflow.common.model.dto.CooperationOrgDTO;
 import cn.axzo.workflow.common.model.dto.UploadFieldDTO;
 import cn.axzo.workflow.common.model.request.bpmn.process.BpmnProcessInstanceAbortDTO;
 import cn.axzo.workflow.common.model.request.bpmn.process.BpmnProcessInstanceCreateDTO;
@@ -737,6 +738,7 @@ public class ChangeRecordServiceImpl extends ServiceImpl<ChangeRecordDao, Change
         Map<String, Object> pendingVariables = new HashMap<>();
         pendingVariables.put(WORKFLOW_PENDING_TOPIC, req.getTopic());
         processDto.setPendingVariables(pendingVariables);
+        processDto.setCooperationOrg(new CooperationOrgDTO());
         return workflowGateway.processInstanceCreate(processDto);
     }
 
@@ -1117,7 +1119,7 @@ public class ChangeRecordServiceImpl extends ServiceImpl<ChangeRecordDao, Change
     private void validVisaChangeForm(VisaChangeApproveCreateReq req) {
         // 单号项目内唯一性
         ChangeRecord visaRecord = getVisaByWorkspaceIdAndNo(req.getRelationWorkspaceId(), req.getNo());
-        AssertUtil.notNull(visaRecord, "已存在相同单号的变更签证单据，请修改");
+        AssertUtil.isNull(visaRecord, "已存在相同单号的变更签证单据，请修改");
         // 工程存在性
         ProjectDetailRes projectById = visaProjectApiGateway.getProjectById(req.getRelationProject());
         AssertUtil.notNull(projectById, "工程不存在");