diff --git a/build.gradle b/build.gradle
index 168f129..03bced9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.0.0'
+        classpath 'com.android.tools.build:gradle:2.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/demo/build.gradle b/demo/build.gradle
index 4991257..d5ba873 100644
--- a/demo/build.gradle
+++ b/demo/build.gradle
@@ -26,4 +26,6 @@ dependencies {
     compile project(':library')
     compile 'com.android.support:appcompat-v7:23.1.1'
     compile 'com.android.support:support-v4:23.1.1'
+    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4-beta2'
+    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4-beta2'
 }
diff --git a/demo/src/main/AndroidManifest.xml b/demo/src/main/AndroidManifest.xml
index a23e7e7..dedbde9 100644
--- a/demo/src/main/AndroidManifest.xml
+++ b/demo/src/main/AndroidManifest.xml
@@ -4,6 +4,7 @@
 
     <application
         android:allowBackup="true"
+        android:name=".DemoApplication"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
diff --git a/demo/src/main/java/com/onlylemi/mapview/DemoApplication.java b/demo/src/main/java/com/onlylemi/mapview/DemoApplication.java
new file mode 100644
index 0000000..a58a619
--- /dev/null
+++ b/demo/src/main/java/com/onlylemi/mapview/DemoApplication.java
@@ -0,0 +1,30 @@
+package com.onlylemi.mapview;
+
+import android.app.Application;
+import android.content.Context;
+
+import com.squareup.leakcanary.LeakCanary;
+import com.squareup.leakcanary.RefWatcher;
+
+/**
+ * DemoApplication
+ *
+ * @author: onlylemi
+ * @time: 2016-05-14 12:07
+ */
+public class DemoApplication extends Application {
+
+    private static Context context;
+    private RefWatcher refWatcher;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        context = getApplicationContext();
+        refWatcher = LeakCanary.install(this);
+    }
+
+    public static Context getContext() {
+        return context;
+    }
+}
diff --git a/demo/src/main/res/values/styles.xml b/demo/src/main/res/values/styles.xml
index 6389dda..1daebd8 100644
--- a/demo/src/main/res/values/styles.xml
+++ b/demo/src/main/res/values/styles.xml
@@ -9,8 +9,7 @@
     </style>
 
     <style name="AppTheme.Boot" parent="AppTheme">
-        <!--<item name="android:windowIsTranslucent">true</item>-->
-        <item name="android:windowBackground">@mipmap/logo</item>
+        <item name="android:windowIsTranslucent">true</item>
         <item name="android:windowNoTitle">true</item>
     </style>