diff --git a/app/src/main/java/com/stardust/scriptdroid/Pref.java b/app/src/main/java/com/stardust/scriptdroid/Pref.java
index ec102dff..07f848d8 100644
--- a/app/src/main/java/com/stardust/scriptdroid/Pref.java
+++ b/app/src/main/java/com/stardust/scriptdroid/Pref.java
@@ -147,7 +147,12 @@ public class Pref {
                 def().edit().putLong(KEY_LAST_SHOW_AD_MILLIS, System.currentTimeMillis()).apply();
                 return true;
             case "Off":
-                return false;
+                lastShowMillis = def().getLong(KEY_LAST_SHOW_AD_MILLIS, 0);
+                if (System.currentTimeMillis() - lastShowMillis < TimeUnit.DAYS.toMillis(2)) {
+                    return false;
+                }
+                def().edit().putLong(KEY_LAST_SHOW_AD_MILLIS, System.currentTimeMillis()).apply();
+                return true;
         }
         return true;
     }
diff --git a/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java b/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
index 7f2a2173..7fb2075f 100644
--- a/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
+++ b/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
@@ -2,6 +2,7 @@ package com.stardust.scriptdroid.script;
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.net.Uri;
 
 import com.stardust.autojs.execution.ExecutionConfig;
@@ -69,7 +70,7 @@ public class Scripts {
     public static void createShortcut(ScriptFile scriptFile) {
         new Shortcut(App.getApp()).name(scriptFile.getSimplifiedName())
                 .targetClass(ShortcutActivity.class)
-                .icon(R.drawable.ic_node_js_black)
+                .iconRes(R.drawable.ic_node_js_black)
                 .extras(new Intent().putExtra(CommonUtils.EXTRA_KEY_PATH, scriptFile.getPath()))
                 .send();
     }
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 a627887f..3973202c 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
@@ -25,6 +25,7 @@ import android.widget.Toast;
 
 import com.afollestad.materialdialogs.DialogAction;
 import com.afollestad.materialdialogs.MaterialDialog;
+import com.qq.e.comm.DownloadService;
 import com.stardust.app.FragmentPagerAdapterBuilder;
 import com.stardust.app.NotAskAgainDialog;
 import com.stardust.app.OnActivityResultDelegate;
@@ -103,6 +104,8 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
         EventBus.getDefault().register(this);
         mVersionGuard = new VersionGuard(this);
         showAnnunciationIfNeeded();
+        //Stop download service of ad sdk
+        stopService(new Intent(this, DownloadService.class));
     }
 
     @AfterViews
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f587aa81..0847fbc5 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -224,7 +224,7 @@
     <string-array name="ad_showing_mode_keys">
         <item>默认</item>
         <item>每天显示一次</item>
-        <item>不显示</item>
+        <item>两天显示一次</item>
     </string-array>
 
     <string-array name="ad_showing_mode_values">
diff --git a/autojs/src/main/assets/modules/__images__.js b/autojs/src/main/assets/modules/__images__.js
index 559dea5c..e46d4566 100644
--- a/autojs/src/main/assets/modules/__images__.js
+++ b/autojs/src/main/assets/modules/__images__.js
@@ -10,6 +10,10 @@ module.exports = function(__runtime__, scope){
 
    images.saveImage = __runtime__.images.saveImage.bind(__runtime__.images);
 
+   images.pixel = __runtime__.images.pixel;
+
+   images.detectsColor = __runtime__.images.detectsColor.bind(__runtime__.images);
+
    images.findColor = function(img, color, options){
         if(typeof(color) == 'string'){
             if(color.startsWith('#')){
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java
index 05b4cba5..9c51d107 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java
@@ -5,15 +5,11 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Color;
 import android.graphics.Matrix;
 import android.media.Image;
-import android.media.ImageReader;
-import android.media.ImageWriter;
-import android.media.MediaCodec;
 import android.os.Build;
-import android.provider.ContactsContract;
 import android.support.annotation.RequiresApi;
-import android.view.Surface;
 
 import com.stardust.autojs.runtime.AbstractScriptRuntime;
 import com.stardust.autojs.runtime.ScriptInterruptedException;
@@ -29,7 +25,7 @@ import java.nio.ByteBuffer;
 /**
  * Created by Stardust on 2017/5/20.
  */
-
+@RequiresApi(api = Build.VERSION_CODES.KITKAT)
 public class Images {
 
     private AbstractScriptRuntime mScriptRuntime;
@@ -109,13 +105,28 @@ public class Images {
     public static int pixel(Image image, int x, int y) {
         Image.Plane plane = image.getPlanes()[0];
         int offset = y * plane.getRowStride() + x * plane.getPixelStride();
-        return plane.getBuffer().getInt(offset);
+        int c = plane.getBuffer().getInt(offset);
+        return (c & 0xff000000) + ((c & 0xff) << 16) + (c & 0x00ff00) + ((c & 0xff0000) >> 16);
     }
 
     public static int pixel(Bitmap bitmap, int x, int y) {
         return bitmap.getPixel(x, y);
     }
 
+    public boolean detectsColor(Image image, int x, int y, int color) {
+        if (image == null)
+            return false;
+        int pixel = pixel(image, x, y);
+        return colorFinder.defaultColorDetector(color).detectsColor(Color.red(pixel), Color.green(pixel), Color.blue(pixel));
+    }
+
+    public boolean detectsColor(Image image, int x, int y, int color, int threshold) {
+        if (image == null)
+            return false;
+        int pixel = pixel(image, x, y);
+        return colorFinder.defaultColorDetector(color, threshold).detectsColor(Color.red(pixel), Color.green(pixel), Color.blue(pixel));
+    }
+
     public static Bitmap read(String path) {
         return BitmapFactory.decodeFile(path);
     }
diff --git a/autojs/src/main/res/xml/accessibility_service_config.xml b/autojs/src/main/res/xml/accessibility_service_config.xml
index 11faefa4..28a7fdb7 100644
--- a/autojs/src/main/res/xml/accessibility_service_config.xml
+++ b/autojs/src/main/res/xml/accessibility_service_config.xml
@@ -2,7 +2,7 @@
 <accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
                        android:accessibilityEventTypes="typeAllMask"
                        android:accessibilityFeedbackType="feedbackGeneric"
-                       android:accessibilityFlags="flagRetrieveInteractiveWindows|flagIncludeNotImportantViews|flagReportViewIds|flagRequestEnhancedWebAccessibility|flagRequestFilterKeyEvents"
+                       android:accessibilityFlags="flagRetrieveInteractiveWindows|flagIncludeNotImportantViews|flagReportViewIds|flagRequestEnhancedWebAccessibility"
                        android:canPerformGestures="true"
                        android:canRequestEnhancedWebAccessibility="true"
                        android:canRetrieveWindowContent="true"
diff --git a/automator/src/main/java/com/stardust/view/accessibility/AccessibilityService.java b/automator/src/main/java/com/stardust/view/accessibility/AccessibilityService.java
index 8b303bb0..d93834ef 100644
--- a/automator/src/main/java/com/stardust/view/accessibility/AccessibilityService.java
+++ b/automator/src/main/java/com/stardust/view/accessibility/AccessibilityService.java
@@ -81,28 +81,17 @@ public class AccessibilityService extends android.accessibilityservice.Accessibi
         }
     }
 
+    @Override
+    public void onInterrupt() {
+
+    }
+
     @Override
     public AccessibilityNodeInfo getRootInActiveWindow() {
         return mRootInActiveWindow;
     }
 
 
-    @Override
-    protected boolean onKeyEvent(KeyEvent event) {
-        Log.v(TAG, "onKeyEvent: " + event);
-        return super.onKeyEvent(event);
-    }
-
-    @Override
-    protected boolean onGesture(int gestureId) {
-        Log.v(TAG, "onGesture: " + gestureId);
-        return super.onGesture(gestureId);
-    }
-
-    @Override
-    public void onInterrupt() {
-    }
-
     @Override
     public void onDestroy() {
         instance = null;