diff --git a/app/app.iml b/app/app.iml
index b8111e6..6c8a199 100644
--- a/app/app.iml
+++ b/app/app.iml
@@ -65,26 +65,19 @@
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/coverage-instrumented-classes" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/debug" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dex-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.0.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/23.0.1/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jacoco" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/libs" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/ndk" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/proguard" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/tmp" />
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/presenter/MainPresenter.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/presenter/MainPresenter.java
index 156306d..bd07e19 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/presenter/MainPresenter.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/presenter/MainPresenter.java
@@ -17,6 +17,10 @@ import cz.msebera.android.httpclient.Header;
 public class MainPresenter implements Presenter<MainView> {
     private MainView mMainView;
 
+    public MainPresenter(MainView view) {
+        attachView(view);
+    }
+
     @Override
     public void attachView(MainView view) {
         this.mMainView = view;
diff --git a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
index 2ec8acf..18e1b00 100644
--- a/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
+++ b/app/src/main/java/com/wuxiaolong/androidmvpsample/ui/MainActivity.java
@@ -29,8 +29,7 @@ public class MainActivity extends AppCompatActivity implements MainView {
     private void initView() {
         text = (TextView) findViewById(R.id.text);
         mProgressBar = (ProgressBar) findViewById(R.id.mProgressBar);
-        mMainPresenter = new MainPresenter();
-        mMainPresenter.attachView(this);
+        mMainPresenter = new MainPresenter(this);
         mMainPresenter.loadData();
     }