Google Maps API:markerwithlabel。js -未捕获的ReferenceError:没有定义谷歌

I have read the docs and examples, but I it seems I cannot solve the initialization error ("Uncaught ReferenceError: google is not defined" + Uncaught ReferenceError: homeLatLng is not defined) when trying to include markerwithlabel.js file and it's reminds me to the "you cannot load something before the map is done" prob.I have read the docs and examples, but I it see