okhttp访问网站报错，┭┮﹏┭┮

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_test);
    OkHttpClient client=new OkHttpClient();
    Request request=new Request.Builder().url("http://www.baidu.com").build();
    new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                Response response=client.newCall(request).execute();
                System.out.println(response.body().string());
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });
}

证书问题，参考解决下
https://www.jianshu.com/p/19b8294f4ac2