调用该方法时，报这个错，实在不晓得什么原因了，是因为 调用的接口没有响应，还是什么呢？哇哇

java.io.FileNotFoundException: http://apisms.kuaidi100.com:9502/sms/send.do&userid=ca686afe1b95427b9215de2fdddf8627&seller=%E6%B2%83%E8%A8%80%E8%8F%9C%E9%B8%9F&sign=97926A95E8F167A05FF6CBEAAFFAB73F&phone=&content=%E6%82%A8%E5%A7%94%E6%89%98%E6%B2%83%E8%A8%80%E8%8F%9C%E9%B8%9F%E4%BB%A3%E5%8F%96%E7%9A%84%27%E5%BF%AB%E9%80%92%E5%85%AC%E5%8F%B8%27%3A%E5%8D%95%E5%8F%B7%27%E5%8D%95%E5%8F%B7%27%2C%E5%8F%96%E8%B4%A7%E5%8F%B7%EF%BC%9A%27%27%EF%BC%8C%E5%B7%B2%E5%88%B0%E8%BE%BE%27%E6%9D%91%E5%BA%84%27%2C%E8%AF%B7%E5%8F%8A%E6%97%B6%E9%A2%86%E5%8F%96%EF%BC%8C%E5%AF%84%E4%BB%B6%E6%88%96%E5%92%A8%E8%AF%A2%E8%81%94%E7%B3%BB%E5%8C%BA%E5%9F%9F%E8%B4%9F%E8%B4%A3%E4%BA%BA%3A18015771062&tid=0&outorder
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at com.wy.util.duanxin.Send(duanxin.java:72)
at com.wy.util.test0.main(test0.java:34)