diff --git a/project/src/main/java/com/sdm/project/service/impl/SimulationRunServiceImpl.java b/project/src/main/java/com/sdm/project/service/impl/SimulationRunServiceImpl.java
index 8d547421..625e97a4 100644
--- a/project/src/main/java/com/sdm/project/service/impl/SimulationRunServiceImpl.java
+++ b/project/src/main/java/com/sdm/project/service/impl/SimulationRunServiceImpl.java
@@ -926,7 +926,7 @@ public class SimulationRunServiceImpl extends ServiceImpl<SimulationRunMapper, S
     public SdmResponse startProcessInstance(SpdmTaskRunReq req) {
         SimulationRun simulationRun = this.lambdaQuery().eq(SimulationRun::getUuid, req.getRunId()).one();
         // 启动流程实例 多次执行会生成多个流程实例id，更新算例run表、同时更新flowable流程参数的流程实例id
-        SdmResponse<ProcessInstanceResp> sdmResponse = flowableFeignClient.startByProcessDefinitionId(simulationRun.getProcessDefinitionId(), null);
+        SdmResponse<ProcessInstanceResp> sdmResponse = flowableFeignClient.startByProcessDefinitionId(simulationRun.getProcessDefinitionId(), Collections.emptyMap());
         if (sdmResponse.getData() != null) {
             this.lambdaUpdate().set(SimulationRun::getFlowInstanceId, sdmResponse.getData().getProcessInstanceId()).eq(SimulationRun::getUuid, req.getRunId()).update();
             flowableFeignClient.updateNodeParamProcessInstanceId(simulationRun.getProcessDefinitionId(), sdmResponse.getData().getProcessInstanceId());