diff --git a/MPChartExample/res/layout/lt_combined.xml b/MPChartExample/res/layout/lt_combined.xml
deleted file mode 100644
index b7f5438..0000000
--- a/MPChartExample/res/layout/lt_combined.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:background="#ffffff">
-
-    <TextView
-        android:id="@+id/chart_title_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="10dp"
-        android:layout_marginLeft="5dp"
-        android:layout_marginBottom="10dp"
-        android:text=""
-        android:textSize="16sp"
-        android:textColor="#000000"/>
-
-    <CheckBox
-        android:id="@+id/chart_show_text"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignBaseline="@+id/chart_title_text"
-        android:layout_alignBottom="@+id/chart_title_text"
-        android:layout_alignParentEnd="true"
-        android:layout_alignParentRight="true"
-        android:background="@drawable/show_btn_bg"
-        android:button="@null"
-        android:paddingBottom="3dp"
-        android:paddingLeft="6dp"
-        android:paddingRight="6dp"
-        android:paddingTop="4dp"
-        android:layout_marginRight="5dp"
-        android:text="显示"
-        android:textColor="@color/show_btn"
-        android:textSize="13sp"/>
-
-    <com.github.mikephil.charting.charts.CombinedChart
-        android:id="@+id/chart_combined"
-        android:layout_width="match_parent"
-        android:layout_height="200dp"
-        android:layout_below="@+id/chart_title_text"
-        android:layout_centerInParent="true"/>
-
-</RelativeLayout>
\ No newline at end of file