diff --git a/.idea/modules.xml b/.idea/modules.xml
index 4fac18b4..7e950955 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,8 +2,8 @@
 <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://C:\Users\Stardust\Documents\AndroidProjects\Auto.js\NoRootScriptDroid.iml" filepath="C:\Users\Stardust\Documents\AndroidProjects\Auto.js\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/src/main/java/com/stardust/scriptdroid/ui/main/drawer/DrawerMenuItemViewHolder.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/drawer/DrawerMenuItemViewHolder.java
index a466e47d..c10e3bae 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/drawer/DrawerMenuItemViewHolder.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/drawer/DrawerMenuItemViewHolder.java
@@ -70,10 +70,12 @@ public class DrawerMenuItemViewHolder extends BindableViewHolder<DrawerMenuItem>
         }
         mSwitchCompat.setVisibility(VISIBLE);
         int prefKey = item.getPrefKey();
-        if (prefKey != 0) {
+        if(prefKey == 0){
+            mSwitchCompat.setChecked(item.isChecked());
+            mSwitchCompat.setPrefKey(null);
+        }else {
             mSwitchCompat.setPrefKey(itemView.getResources().getString(prefKey));
         }
-        mSwitchCompat.setChecked(item.isChecked());
     }
 
     private void onClick() {
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/widget/PrefSwitch.java b/app/src/main/java/com/stardust/scriptdroid/ui/widget/PrefSwitch.java
index 902af283..370ef782 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/widget/PrefSwitch.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/widget/PrefSwitch.java
@@ -69,6 +69,9 @@ public class PrefSwitch extends SwitchCompat implements SharedPreferences.OnShar
             mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
             mSharedPreferences.registerOnSharedPreferenceChangeListener(this);
         }
+        if(mPrefKey != null){
+            setChecked(mSharedPreferences.getBoolean(mPrefKey, mDefaultChecked), false);
+        }
     }
 
     @Override
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/widget/SwitchCompat.java b/app/src/main/java/com/stardust/scriptdroid/ui/widget/SwitchCompat.java
index 96d90157..56c6097e 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/widget/SwitchCompat.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/widget/SwitchCompat.java
@@ -40,7 +40,7 @@ public class SwitchCompat extends android.support.v7.widget.SwitchCompat {
 
     public void setChecked(boolean checked, boolean notify) {
         mIgnoreCheckedChange = !notify;
-        setChecked(checked);
+        super.setChecked(checked);
         mIgnoreCheckedChange = false;
     }
 
diff --git a/autojs/src/main/assets/modules/__io__.js b/autojs/src/main/assets/modules/__io__.js
index 825765b4..ad382866 100644
--- a/autojs/src/main/assets/modules/__io__.js
+++ b/autojs/src/main/assets/modules/__io__.js
@@ -1,6 +1,6 @@
 
 module.exports = function(__runtime__, scope){
-    var files = Object.create(com.stardust.pio.PFiles);
+    var files = Object.create(com.stardust.autojs.runtime.api);
     files.cwd = function(){
         return scope.engines.myEngine().cwd();
     }
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Files.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Files.java
new file mode 100644
index 00000000..3e9d6f9b
--- /dev/null
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Files.java
@@ -0,0 +1,232 @@
+package com.stardust.autojs.runtime.api;
+
+import android.content.Context;
+import android.content.res.AssetManager;
+
+import com.stardust.pio.PFileInterface;
+import com.stardust.pio.PFiles;
+import com.stardust.util.Func1;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * Created by Stardust on 2018/1/23.
+ */
+
+public class Files {
+
+    public static PFileInterface open(String path, String mode, String encoding, int bufferSize) {
+        return PFiles.open(path, mode, encoding, bufferSize);
+    }
+
+    public static Object open(String path, String mode, String encoding) {
+        return PFiles.open(path, mode, encoding);
+    }
+
+    public static Object open(String path, String mode) {
+        return PFiles.open(path, mode);
+    }
+
+    public static Object open(String path) {
+        return PFiles.open(path);
+    }
+
+    public static boolean create(String path) {
+        return PFiles.create(path);
+    }
+
+    public static boolean createIfNotExists(String path) {
+        return PFiles.createIfNotExists(path);
+    }
+
+    public static boolean createWithDirs(String path) {
+        return PFiles.createWithDirs(path);
+    }
+
+    public static boolean exists(String path) {
+        return PFiles.exists(path);
+    }
+
+    public static boolean ensureDir(String path) {
+        return PFiles.ensureDir(path);
+    }
+
+    public static String read(String path, String encoding) {
+        return PFiles.read(path, encoding);
+    }
+
+    public static String read(String path) {
+        return PFiles.read(path);
+    }
+
+    public static String read(File file, String encoding) {
+        return PFiles.read(file, encoding);
+    }
+
+    public static String read(File file) {
+        return PFiles.read(file);
+    }
+
+    public static String read(InputStream is, String encoding) {
+        return PFiles.read(is, encoding);
+    }
+
+    public static String read(InputStream inputStream) {
+        return PFiles.read(inputStream);
+    }
+
+    public static byte[] readBytes(InputStream is) {
+        return PFiles.readBytes(is);
+    }
+
+    public static boolean copyRaw(Context context, int rawId, String path) {
+        return PFiles.copyRaw(context, rawId, path);
+    }
+
+    public static boolean copyStream(InputStream is, String path) {
+        return PFiles.copyStream(is, path);
+    }
+
+    public static void write(InputStream is, OutputStream os) {
+        PFiles.write(is, os);
+    }
+
+    public static void write(String path, String text) {
+        PFiles.write(path, text);
+    }
+
+    public static void write(String path, String text, String encoding) {
+        PFiles.write(path, text, encoding);
+    }
+
+    public static void write(File file, String text) {
+        PFiles.write(file, text);
+    }
+
+    public static void write(FileOutputStream fileOutputStream, String text) {
+        PFiles.write(fileOutputStream, text);
+    }
+
+    public static void write(OutputStream outputStream, String text, String encoding) {
+        PFiles.write(outputStream, text, encoding);
+    }
+
+    public static void append(String path, String text) {
+        PFiles.append(path, text);
+    }
+
+    public static void append(String path, String text, String encoding) {
+        PFiles.append(path, text, encoding);
+    }
+
+    public static void writeBytes(OutputStream outputStream, byte[] bytes) {
+        PFiles.writeBytes(outputStream, bytes);
+    }
+
+    public static void appendBytes(String path, byte[] bytes) {
+        PFiles.appendBytes(path, bytes);
+    }
+
+    public static void writeBytes(String path, byte[] bytes) {
+        PFiles.writeBytes(path, bytes);
+    }
+
+    public static boolean copy(String pathFrom, String pathTo) {
+        return PFiles.copy(pathFrom, pathTo);
+    }
+
+    public static boolean copyAsset(Context context, String assetFile, String path) {
+        return PFiles.copyAsset(context, assetFile, path);
+    }
+
+    public static String renameWithoutExtensionAndReturnNewPath(String path, String newName) {
+        return PFiles.renameWithoutExtensionAndReturnNewPath(path, newName);
+    }
+
+    public static boolean renameWithoutExtension(String path, String newName) {
+        return PFiles.renameWithoutExtension(path, newName);
+    }
+
+    public static boolean rename(String path, String newName) {
+        return PFiles.rename(path, newName);
+    }
+
+    public static boolean move(String path, String newPath) {
+        return PFiles.move(path, newPath);
+    }
+
+    public static String getExtension(String fileName) {
+        return PFiles.getExtension(fileName);
+    }
+
+    public static String generateNotExistingPath(String path, String extension) {
+        return PFiles.generateNotExistingPath(path, extension);
+    }
+
+    public static String getName(String filePath) {
+        return PFiles.getName(filePath);
+    }
+
+    public static String getNameWithoutExtension(String filePath) {
+        return PFiles.getNameWithoutExtension(filePath);
+    }
+
+    public static File copyAssetToTmpFile(Context context, String path) {
+        return PFiles.copyAssetToTmpFile(context, path);
+    }
+
+    public static boolean deleteRecursively(File file) {
+        return PFiles.deleteRecursively(file);
+    }
+
+    public static boolean remove(String path) {
+        return PFiles.remove(path);
+    }
+
+    public static boolean removeDir(String path) {
+        return PFiles.removeDir(path);
+    }
+
+    public static String getSdcardPath() {
+        return PFiles.getSdcardPath();
+    }
+
+    public static String readAsset(AssetManager assets, String path) {
+        return PFiles.readAsset(assets, path);
+    }
+
+    public static String[] listDir(String path) {
+        return PFiles.listDir(path);
+    }
+
+    public static String[] listDir(String path, Func1<String, Boolean> filter) {
+        return PFiles.listDir(path, filter);
+    }
+
+    public static boolean isFile(String path) {
+        return PFiles.isFile(path);
+    }
+
+    public static boolean isDir(String path) {
+        return PFiles.isDir(path);
+    }
+
+    public static boolean isEmptyDir(String path) {
+        return PFiles.isEmptyDir(path);
+    }
+
+    public static String join(String parent, String child) {
+        return PFiles.join(parent, child);
+    }
+
+    public static String getHumanReadableSize(long bytes) {
+        return PFiles.getHumanReadableSize(bytes);
+    }
+
+    public static String getSimplifiedPath(String path) {
+        return PFiles.getSimplifiedPath(path);
+    }
+}
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
index cf729b2d..565e6c20 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
@@ -27,6 +27,7 @@ import com.stardust.concurrent.VolatileDispose;
 import com.stardust.pio.UncheckedIOException;
 import com.stardust.util.ScreenMetrics;
 
+import org.opencv.core.Core;
 import org.opencv.core.Mat;
 import org.opencv.core.Point;
 import org.opencv.core.Rect;