@RequestMapping("workspace-saveCounterSign")
public String saveCounterSign(
@RequestParam("operationType") String operationType,
@RequestParam("userId") String userId,
@RequestParam("taskId") String taskId) {
CounterSignCmd cmd = new CounterSignCmd(operationType, userId, taskId);
processEngine.getManagementService().executeCommand(cmd);
return "redirect:/bpm/workspace-listPersonalTasks.do";
}