Загружает только один элемент списка RecyclerView (CymChad, BRVAH)

В RecyclerView загружает только один элемент первый, остальные не загружает.

import com.chad.library.adapter.base.BaseQuickAdapter;

public class MainActivity extends AppCompatActivity {
    private RecyclerView mRec;
    private LinearLayoutManager layoutManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        List<String> sd = new ArrayList<>();

        sd.add("fds");
        sd.add("sad");
        sd.add("sd");
        sd.add("asd");

        mRec = findViewById(R.id.rec_viv);
        layoutManager = new LinearLayoutManager(this);
        mRec.setLayoutManager(layoutManager);
        BravsAdapter ad = new BravsAdapter(R.layout.item_vuv, sd);

        mRec.setAdapter(ad);
    }
}

public class BravsAdapter extends  BaseQuickAdapter<String, BrahvsViewHold> {
    public BravsAdapter(int layoutResId, @Nullable List<String> data) {
        super(layoutResId, data);
        //this.dat = data;
    }

    @Override
    protected void convert(@NonNull BrahvsViewHold helper, String item) {
        // String str = dat.get(2);
        //helper.getAdapterPosition();
        helper.setText(R.id.text_ww, item);
    }
}

public class BrahvsViewHold  extends BaseViewHolder {
    //@BindView(R.id.item_search_history_tv)
    @BindView(R.id.text_ww)
    TextView mSearchHistoryTv;

    public BrahvsViewHold(View view) {
        super(view);
        ButterKnife.bind(this, view);
    }
}