diff --git a/MPChartExample/res/layout/activity_my_chart1.xml b/MPChartExample/res/layout/activity_my_chart1.xml
index 13573b4..18c7052 100644
--- a/MPChartExample/res/layout/activity_my_chart1.xml
+++ b/MPChartExample/res/layout/activity_my_chart1.xml
@@ -31,6 +31,13 @@
                 android:layout_height="wrap_content"
                 android:layout_marginTop="10dp"/>
 
+            <com.xxmassdeveloper.mpchartexample.view.CombinedChart2
+                android:id="@+id/my_chart4"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="10dp"/>
+
+
 
         </LinearLayout>