string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%94%B7%E9%9E%8B260%E9%9E%8B%E5%8F%B7%E6%98%AF%E5%A4%9A%E5%A4%A7%E5%8F%B7%E6%95%B0 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
男鞋260鞋号是多大号数
