/** 保存新建工作组信息 */
  @Action("work-group-saveWorkGroup")
  public String saveWorkGroup() throws Exception {
    boolean logSign = true; // 该字段只是为了标识日志信息:true表示新建工作组、false表示修改工作组
    if (id == null) {
      Company company = companyManager.getCompany(companyId);
      workGroup.setCompany(company);
      workGroupManager.saveWorkGroup(workGroup);
    } else {
      workGroupManager.saveWorkGroup(workGroup);
      logSign = false;
    }

    if (logSign) {
      ApiFactory.getBussinessLogService()
          .log("工作组管理", "新建工作组:" + workGroup.getName(), ContextUtils.getSystemId("acs"));
    } else {
      ApiFactory.getBussinessLogService()
          .log("工作组管理", "修改工作组:" + workGroup.getName(), ContextUtils.getSystemId("acs"));
    }
    addSuccessMessage("保存成功");
    return null;
  }