app/src/main/java/safeluck/drive/evaluation/fragment/TrainFragment.java
@@ -29,13 +29,10 @@
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.EventListener;
import java.util.List;
import me.yokeyword.fragmentation.SupportFragment;
import safeluck.drive.evaluation.Constant;
import safeluck.drive.evaluation.DB.Student;
import safeluck.drive.evaluation.DB.WokViewModel;
import safeluck.drive.evaluation.DB.appstatusdb.AppStatus;
import safeluck.drive.evaluation.DB.appstatusdb.AppStatusViewModel;
import safeluck.drive.evaluation.DB.exam_status.ExamStatus;
@@ -164,7 +161,7 @@
                examStatusList.clear();
                examStatusList.addAll(examStatus);
                mHandler.obtainMessage(ADD_DATA).sendToTarget();
                if (examStatus.get(0).getStartExam() == Constant.HAS_BEEN_START_EXAM){
                if (examStatus.get(0).getStartExam() == Constant.NONE_BEEN_START_EXAM){
                    btn_train.setEnabled(false);
                    tv_stop.setEnabled(true);
                }else{
@@ -283,7 +280,7 @@
                }
                break;
            case R.id.btn_start:
                examStatusViewModel.updateStartExam(Constant.HAS_BEEN_START_EXAM);
                examStatusViewModel.updateStartExam(Constant.NONE_BEEN_START_EXAM);
                try {
                    JSONObject jsonObject = new JSONObject();
                    jsonObject.put("exam", 1);