code: function goState(model) {
      return function go(pathname, { method = actionTypes.push } = {}) {
  
          // 忽略同一跳转
          if (pathname === model.pathname) {
              return false;
          }
  
          // 更新状态
          model.state = { method, pathname, action: actionTypes.push };
          return model.history.push(pathname);
      };
  }
docs: ****************************************
  跳转到指定路径
  ****************************************