startProcessInstanceCommand.setProcessDefinitionKey(processDefinitionKey);
startProcessInstanceCommand.setBusinessKey(businessKey);
startProcessInstanceCommand.setStartAuthor(initiator);
startProcessInstanceCommand.setTransientVariables(transientVariables);
// startProcessInstanceCommand.setVariables(Variables);
ProcessInstance processInstanceQueryTo = runtimeService
.noneStartProcessInstance(startProcessInstanceCommand);
// 任务第一步提交完还需找到一个待办事宜再执行掉才算真正完成
String processInstanceId = processInstanceQueryTo.getId();