code from https://ithelp.ithome.com.tw/articles/10197164?sc=iThelpR https://stackoverflow.com/questions/30229231/python-save-image-from-url/30229298 可以一次把ptt 表特版的網頁抓下來 chromewebdriver https://chromedriver.storage.googleapis.com/2.38/chromedriver_win32.zip