string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E6%B5%81%E9%87%8F%E5%88%86%E5%B8%83%E5%8C%BA%E5%90%84%E5%8D%A0%E5%A4%9A%E5%B0%91%E6%B5%81%E9%87%8F => Failed to connect to 101.89.166.210 port 38089: Connection refused"
拼多多流量分布区各占多少流量
