diff --git a/app/src/main/java/com/finogeeks/mop/demo/MainActivity.java b/app/src/main/java/com/finogeeks/mop/demo/MainActivity.java
index 7b04ffc..e9c782b 100644
--- a/app/src/main/java/com/finogeeks/mop/demo/MainActivity.java
+++ b/app/src/main/java/com/finogeeks/mop/demo/MainActivity.java
@@ -21,16 +21,24 @@ public class MainActivity extends AppCompatActivity {
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
 
-        Button demoButton = findViewById(R.id.btnDemo);
-        demoButton.setOnClickListener(new View.OnClickListener() {
+        Button btnCharts = findViewById(R.id.btnCharts);
+        btnCharts.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                FinAppClient.INSTANCE.getAppletApiManager().startApplet(MainActivity.this, "5facb3a52dcbff00017469bd");
+            }
+        });
+
+        Button btnDemo = findViewById(R.id.btnDemo);
+        btnDemo.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 FinAppClient.INSTANCE.getAppletApiManager().startApplet(MainActivity.this, "5fa214a29a6a7900019b5cc1");
             }
         });
 
-        Button profileButton = findViewById(R.id.btnProfile);
-        profileButton.setOnClickListener(new View.OnClickListener() {
+        Button btnProfile = findViewById(R.id.btnProfile);
+        btnProfile.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 FinAppClient.INSTANCE.getAppletApiManager().startApplet(MainActivity.this, "5fa215459a6a7900019b5cc3");
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
index 241487d..1a90007 100644
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -9,16 +9,27 @@
     tools:showIn="@layout/activity_main">
 
     <Button
-        android:id="@+id/btnDemo"
+        android:id="@+id/btnCharts"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/fin_clip_demo_applet"
-        app:layout_constraintBottom_toTopOf="@+id/btnProfile"
+        android:text="@string/fin_clip_charts_applet"
+        app:layout_constraintBottom_toTopOf="@+id/btnDemo"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_chainStyle="packed" />
 
+    <Button
+        android:id="@+id/btnDemo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="20dp"
+        android:text="@string/fin_clip_demo_applet"
+        app:layout_constraintBottom_toTopOf="@+id/btnProfile"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/btnCharts" />
+
     <Button
         android:id="@+id/btnProfile"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 66d9eb7..ea27c01 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,5 +1,6 @@
 <resources>
     <string name="app_name">mopdemo</string>
+    <string name="fin_clip_charts_applet">绘图小程序</string>
     <string name="fin_clip_demo_applet">官方小程序</string>
     <string name="fin_clip_profile_applet">智能对账单</string>
 </resources>