string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%95%86%E6%A0%87%E4%B8%8D%E5%B8%A6tm%E5%90%88%E6%B3%95%E5%90%97%E4%B8%BA%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
商标不带tm合法吗为什么
