function initFetch(vm) {
  var ref = vm.config;
  var loadSidebar = ref.loadSidebar;

  // Server-Side Rendering
  if (vm.rendered) {
    var activeEl = getAndActive(vm.router, '.sidebar-nav', true, true);
    if (loadSidebar && activeEl) {
      activeEl.parentNode.innerHTML += window.__SUB_SIDEBAR__;
    }
    vm._bindEventOnRendered(activeEl);
    vm.$resetEvents();
    callHook(vm, 'doneEach');
    callHook(vm, 'ready');
  } else {
    vm.$fetch(function (_) { return callHook(vm, 'ready'); });
  }
}
Load the 404 page
@param path
@param qs
@param cb
@returns {*}
@private