string(267) "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%E5%B9%B3%E5%8F%B0%E6%B5%81%E9%87%8F%E5%88%86%E9%85%8D%E6%96%B9%E6%B3%95 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
拼多多平台流量分配方法
