fix bug

app/src/main/java/com/github/tvbox/osc/ui/activity/DetailActivity.java

@@ -202,6 +202,9 @@ public class DetailActivity extends BaseActivity {
             protected void convert(BaseViewHolder helper, String item) {
                 TextView tvSeries = helper.getView(R.id.tvSeriesGroup);
                 tvSeries.setText(item);
+                if (helper.getLayoutPosition() == getData().size() - 1) {
+                    helper.itemView.setNextFocusRightId(R.id.tvPlay);
+                }
             }
         };
         mSeriesGroupView.setAdapter(seriesGroupAdapter);

app/src/main/java/com/github/tvbox/osc/ui/adapter/SeriesFlagAdapter.java

@@ -37,5 +37,8 @@ public class SeriesFlagAdapter extends BaseQuickAdapter<VodInfo.VodSeriesFlag, B
         }else {
             helper.itemView.setNextFocusDownId(R.id.mGridView);
         }
+        if (helper.getLayoutPosition() == getData().size() - 1) {
+            helper.itemView.setNextFocusRightId(R.id.tvPlay);
+        }
     }
 }