string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%89%E6%98%9F40t%E9%94%82%E7%94%B5%E6%B1%A0%E5%8F%82%E6%95%B0 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
三星40t锂电池参数
