string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=12promax%E9%82%A3%E4%B8%AA%E9%A2%9C%E8%89%B2%E4%BF%9D%E5%80%BC => Failed to connect to 101.89.143.195 port 38109: Connection refused"
12promax那个颜色保值
