diff --git a/app/src/main/java/com/stx/xmarqueeviewdemo/MainActivity.java b/app/src/main/java/com/stx/xmarqueeviewdemo/MainActivity.java
index ffa040e..f2c3f99 100644
--- a/app/src/main/java/com/stx/xmarqueeviewdemo/MainActivity.java
+++ b/app/src/main/java/com/stx/xmarqueeviewdemo/MainActivity.java
@@ -2,6 +2,8 @@
 
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Button;
 
 import com.stx.xmarqueeview.XMarqueeView;
 
@@ -11,6 +13,7 @@
 public class MainActivity extends AppCompatActivity {
 
     private List<String> mDatas;
+    private MarqueeViewAdapter mMarqueeViewAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -35,10 +38,21 @@ private void initView() {
 
 
         XMarqueeView xMarqueeView = (XMarqueeView) findViewById(R.id.marquee3);
-        xMarqueeView.setAdapter(new MarqueeViewAdapter(mDatas, this));
-
-        //刷新数据
-//        marqueeViewAdapter.setData(mDatas);
+        mMarqueeViewAdapter = new MarqueeViewAdapter(mDatas, this);
+        xMarqueeView.setAdapter(mMarqueeViewAdapter);
+        Button btn = (Button) findViewById(R.id.btn);
+
+        btn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mDatas.clear();
+                for (int i = 0; i < 4; i++) {
+                    mDatas.add("这是刷新后的跑马灯内容" + (i + 1));
+                }
+                //刷新数据
+                mMarqueeViewAdapter.setData(mDatas);
+            }
+        });
     }
 
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index ff17fab..ceea1b6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context="com.stx.xmarqueeviewdemo.MainActivity">
+              xmlns:app="http://schemas.android.com/apk/res-auto"
+              xmlns:tools="http://schemas.android.com/tools"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical"
+              tools:context="com.stx.xmarqueeviewdemo.MainActivity">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -17,7 +17,7 @@
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_order_success" />
+            android:src="@drawable/icon_order_success"/>
 
         <com.stx.xmarqueeview.XMarqueeView
             android:id="@+id/marquee1"
@@ -25,14 +25,14 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             app:isSetAnimDuration="true"
-            app:isSingleLine="true" />
+            app:isSingleLine="true"/>
 
         <ImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_report_btn" />
+            android:src="@drawable/icon_report_btn"/>
 
     </LinearLayout>
 
@@ -48,7 +48,7 @@
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_order_success" />
+            android:src="@drawable/icon_order_success"/>
 
         <com.stx.xmarqueeview.XMarqueeView
             android:id="@+id/marquee2"
@@ -56,14 +56,14 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             app:isSetAnimDuration="true"
-            app:marquee_count="2" />
+            app:marquee_count="2"/>
 
         <ImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_report_btn" />
+            android:src="@drawable/icon_report_btn"/>
 
     </LinearLayout>
 
@@ -78,7 +78,7 @@
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_order_success" />
+            android:src="@drawable/icon_order_success"/>
 
         <com.stx.xmarqueeview.XMarqueeView
             android:id="@+id/marquee3"
@@ -86,15 +86,22 @@
             android:layout_height="wrap_content"
             android:layout_weight="1"
             app:isSetAnimDuration="true"
-            app:marquee_count="3" />
+            app:marquee_count="3"/>
 
         <ImageView
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_margin="12dp"
             android:scaleType="fitXY"
-            android:src="@drawable/icon_report_btn" />
+            android:src="@drawable/icon_report_btn"/>
 
     </LinearLayout>
 
+
+    <Button
+        android:id="@+id/btn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="刷新数据"/>
+
 </LinearLayout>