string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AF%B9%E9%A2%86%E5%AF%BC%E6%8F%90%E5%87%BA%E5%B0%8F%E5%BB%BA%E8%AE%AE => Failed to connect to 14.116.215.7 port 38230: Connection refused"
对领导提出小建议
