string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E9%80%A0%E8%80%83%E8%AF%95%E7%9C%9F%E9%A2%98%E7%94%B5%E7%BC%86%E7%BA%BF%E8%B7%AF => Failed to connect to 101.91.112.32 port 38195: Connection refused"
一造考试真题电缆线路
