app/src/main/java/safeluck/drive/evaluation/MainActivity.java
@@ -23,6 +23,8 @@
import me.yokeyword.fragmentation.SupportActivity;
import safeluck.drive.evaluation.DB.Student;
import safeluck.drive.evaluation.DB.WokViewModel;
import safeluck.drive.evaluation.DB.exam_status.ExamStatus;
import safeluck.drive.evaluation.DB.exam_status.ExamStatusViewModel;
import safeluck.drive.evaluation.DB.rtktb.RTKConfig;
import safeluck.drive.evaluation.DB.rtktb.RTKConfigViewModel;
import safeluck.drive.evaluation.DB.signalConfigdb.SignalConfigViewModel;
@@ -211,6 +213,7 @@
            }
        });
        signalConfigViewModel = ViewModelProviders.of(this).get(SignalConfigViewModel.class);
        signalConfigViewModel.getSignalConfigs().observe(this, new Observer<List<SingalConfig>>() {
            @Override