compile bug fixed

app/src/main/res/layout/fgt_game_center.xml

@@ -7,7 +7,6 @@
     <android.support.design.widget.TabLayout
         android:id="@+id/indicator"
         style="@style/style_tab_2"
-        android:layout_below="@+id/top_bar"
         android:layout_marginBottom="4dp"
         app:tabGravity="fill"
         app:tabMode="fixed" />