string(337) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%95%E5%BD%B1%E5%AF%B9%E7%9C%BC%E7%9D%9B%E4%BC%A4%E5%AE%B3%E5%A4%A7%E8%BF%98%E6%98%AF%E7%94%B5%E8%A7%86%E5%AF%B9%E7%9C%BC%E7%9D%9B%E4%BC%A4%E5%AE%B3%E5%A4%A7%E5%91%A2 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
投影对眼睛伤害大还是电视对眼睛伤害大呢
