string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E4%BF%A1%E6%B8%85%E9%99%A4%E5%86%85%E5%AD%98%E5%9C%A8%E5%93%AA%E9%87%8C => Failed to connect to 14.18.117.71 port 38220: Connection refused"
微信清除内存在哪里
