diff --git a/.idea/modules.xml b/.idea/modules.xml
index 7ddd2436..58fc8a76 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,8 +2,6 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/Auto.js.iml" filepath="$PROJECT_DIR$/Auto.js.iml" />
-      <module fileurl="file://E:/YiBin/AndroidStudioProjects/NoRootScriptDroid/Auto.js.iml" filepath="E:/YiBin/AndroidStudioProjects/NoRootScriptDroid/Auto.js.iml" />
       <module fileurl="file://$PROJECT_DIR$/NoRootScriptDroid.iml" filepath="$PROJECT_DIR$/NoRootScriptDroid.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
       <module fileurl="file://$PROJECT_DIR$/autojs/autojs.iml" filepath="$PROJECT_DIR$/autojs/autojs.iml" />
diff --git a/app/build.gradle b/app/build.gradle
index 10d331d8..dfc47cf3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -147,5 +147,4 @@ dependencies {
     compile project(':automator')
     compile project(':common')
     compile project(':autojs')
-    compile files('libs/GDTUnionSDK.4.9.545.min.jar')
 }
\ No newline at end of file
diff --git a/app/libs/GDTUnionSDK.4.9.545.min.jar b/app/libs/GDTUnionSDK.4.9.545.min.jar
deleted file mode 100644
index 6fd58f48..00000000
Binary files a/app/libs/GDTUnionSDK.4.9.545.min.jar and /dev/null differ
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
index 315e6b15..d4b64ac9 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
@@ -18,8 +18,6 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 
-import com.qq.e.ads.ADActivity;
-import com.qq.e.comm.DownloadService;
 import com.stardust.app.FragmentPagerAdapterBuilder;
 import com.stardust.app.OnActivityResultDelegate;
 import com.stardust.enhancedfloaty.FloatyService;
@@ -28,27 +26,27 @@ import com.stardust.scriptdroid.BuildConfig;
 import com.stardust.scriptdroid.Pref;
 import com.stardust.scriptdroid.R;
 import com.stardust.scriptdroid.autojs.AutoJs;
+import com.stardust.scriptdroid.storage.file.StorageFileProvider;
+import com.stardust.scriptdroid.tool.AccessibilityServiceTool;
+import com.stardust.scriptdroid.ui.BaseActivity;
 import com.stardust.scriptdroid.ui.common.NotAskAgainDialog;
 import com.stardust.scriptdroid.ui.doc.DocsFragment_;
 import com.stardust.scriptdroid.ui.floating.FloatyWindowManger;
-import com.stardust.scriptdroid.storage.file.StorageFileProvider;
+import com.stardust.scriptdroid.ui.log.LogActivity_;
 import com.stardust.scriptdroid.ui.main.community.CommunityFragment;
 import com.stardust.scriptdroid.ui.main.community.CommunityFragment_;
-import com.stardust.scriptdroid.ui.log.LogActivity_;
 import com.stardust.scriptdroid.ui.main.sample.SampleListFragment_;
 import com.stardust.scriptdroid.ui.main.scripts.MyScriptListFragment_;
 import com.stardust.scriptdroid.ui.main.task.TaskManagerFragment_;
-import com.stardust.theme.ThemeColorManager;
-import com.stardust.theme.dialog.ThemeColorMaterialDialogBuilder;
-import com.stardust.util.DeveloperUtils;
-import com.stardust.scriptdroid.tool.AccessibilityServiceTool;
-import com.stardust.scriptdroid.ui.BaseActivity;
 import com.stardust.scriptdroid.ui.settings.SettingsActivity_;
 import com.stardust.scriptdroid.ui.update.VersionGuard;
-import com.stardust.util.BackPressedHandler;
-import com.stardust.util.DrawerAutoClose;
 import com.stardust.scriptdroid.ui.widget.CommonMarkdownView;
 import com.stardust.scriptdroid.ui.widget.SearchViewItem;
+import com.stardust.theme.ThemeColorManager;
+import com.stardust.theme.dialog.ThemeColorMaterialDialogBuilder;
+import com.stardust.util.BackPressedHandler;
+import com.stardust.util.DeveloperUtils;
+import com.stardust.util.DrawerAutoClose;
 
 import org.androidannotations.annotations.AfterViews;
 import org.androidannotations.annotations.Click;
@@ -214,8 +212,6 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
     @Override
     protected void onPause() {
         super.onPause();
-        //not working
-        stopService(new Intent(this, DownloadService.class));
     }
 
     @Override
@@ -263,11 +259,6 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
         if (!BuildConfig.DEBUG) {
             DeveloperUtils.verifyApk(this, R.string.dex_crcs);
         }
-        if (!DeveloperUtils.isActivityRegistered(this, ADActivity.class) ||
-                !DeveloperUtils.isServiceRegistered(this, DownloadService.class)) {
-            finish();
-        }
-
     }
 
 
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/splash/SplashActivity.java b/app/src/main/java/com/stardust/scriptdroid/ui/splash/SplashActivity.java
index 83412ffc..dea7ba54 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/splash/SplashActivity.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/splash/SplashActivity.java
@@ -1,19 +1,13 @@
 package com.stardust.scriptdroid.ui.splash;
 
-import android.Manifest;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.util.Log;
 import android.view.View;
 import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.TextView;
-import android.widget.Toast;
 
-import com.qq.e.ads.splash.SplashAD;
-import com.qq.e.ads.splash.SplashADListener;
-import com.stardust.scriptdroid.Constants;
 import com.stardust.scriptdroid.Pref;
 import com.stardust.scriptdroid.R;
 import com.stardust.scriptdroid.ui.BaseActivity;
@@ -23,8 +17,6 @@ import org.androidannotations.annotations.AfterViews;
 import org.androidannotations.annotations.EActivity;
 import org.androidannotations.annotations.ViewById;
 
-import java.util.Locale;
-
 /**
  * Created by Stardust on 2017/7/7.
  */
@@ -48,7 +40,6 @@ public class SplashActivity extends BaseActivity {
     @ViewById(R.id.ad)
     FrameLayout mAd;
 
-    private SplashAD mSplashAD;
     private boolean mCanEnterNextActivity = false;
     private boolean mNotStartMainActivity;
 
@@ -99,34 +90,6 @@ public class SplashActivity extends BaseActivity {
     }
 
     private void fetchSplashAD() {
-        mSplashAD = new SplashAD(this, mAd, mSkipView, Constants.APP_ID, Constants.SPLASH_POS_ID, new SplashADListener() {
-            @Override
-            public void onADDismissed() {
-                Log.v(LOG_TAG, "onADDismissed");
-                enterNextActivityIfNeeded();
-            }
 
-            @Override
-            public void onNoAD(int errno) {
-                Log.e(LOG_TAG, "onNoAD: " + errno);
-                enterNextActivity();
-            }
-
-            @Override
-            public void onADPresent() {
-                Log.v(LOG_TAG, "onADPresent");
-                mSkipView.setVisibility(View.VISIBLE);
-            }
-
-            @Override
-            public void onADClicked() {
-                Log.v(LOG_TAG, "onADClicked");
-            }
-
-            @Override
-            public void onADTick(long l) {
-                mSkipView.setText(String.format(Locale.getDefault(), getString(R.string.format_skip), Math.round(l / 1000f)));
-            }
-        }, 0);
     }
 }