app/src/main/java/safeluck/drive/evaluation/MainActivity.java
@@ -163,16 +163,7 @@
        String hosts = "[{\"host\":\"192.168.31.77\", \"port\":12125}]";
        IMSClientBootstrap.getInstance().init(userId,token,hosts,1,this);
        WokViewModel wokViewModel = ViewModelProviders.of(this).get(WokViewModel.class);
        wokViewModel.getStudents().observe(this, new Observer<List<Student>>() {
            @Override
            public void onChanged(List<Student> students) {
                for (Student student :
                        students) {
                    Log.i(TAG, "onChanged: " + student.toString());
                }
            }
        });
        rtkConfigViewModel  = ViewModelProviders.of(this).get(RTKConfigViewModel.class);
        rtkConfigViewModel.getRTKConfig().observe(this, new Observer<RTKConfig>() {