string(235) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=excel%E8%A1%A8%E5%8D%A1%E9%A1%BF%E7%8E%B0%E8%B1%A1%E6%80%8E%E6%A0%B7%E8%A7%A3%E5%86%B3 => Received HTTP code 403 from proxy after CONNECT"
excel表卡顿现象怎样解决
