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/release/output.json b/app/release/output.json
index becbfd63..f1b1ec8d 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":228},"path":"release-3.0.0 Alpha28.apk","properties":{"packageId":"com.stardust.scriptdroid","split":"","minSdkVersion":"17"}}]
\ No newline at end of file
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":230},"path":"release-3.0.0 Alpha30.apk","properties":{"packageId":"com.stardust.scriptdroid","split":"","minSdkVersion":"17"}}]
\ No newline at end of file
diff --git a/app/src/main/java/com/stardust/scriptdroid/external/tasker/TaskPrefEditActivity.java b/app/src/main/java/com/stardust/scriptdroid/external/tasker/TaskPrefEditActivity.java
index feec24cd..71d146de 100644
--- a/app/src/main/java/com/stardust/scriptdroid/external/tasker/TaskPrefEditActivity.java
+++ b/app/src/main/java/com/stardust/scriptdroid/external/tasker/TaskPrefEditActivity.java
@@ -43,8 +43,7 @@ public class TaskPrefEditActivity extends AbstractAppCompatPluginActivity {
     private void initScriptListRecyclerView() {
         mStorageFileProvider = StorageFileProvider.getExternalStorageProvider();
         ScriptListView scriptList = (ScriptListView) findViewById(R.id.script_list);
-        scriptList.setStorageFileProvider(mStorageFileProvider);
-        scriptList.setCurrentDirectory(new ScriptFile(StorageFileProvider.DEFAULT_DIRECTORY));
+        scriptList.setStorageFileProvider(mStorageFileProvider, new ScriptFile(StorageFileProvider.DEFAULT_DIRECTORY));
         scriptList.setOnScriptFileClickListener((view, file) -> {
             mSelectedScriptFilePath = file.getPath();
             finish();
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/MyScriptListFragment.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/MyScriptListFragment.java
index 7ea344fc..36db8fe6 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/MyScriptListFragment.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/MyScriptListFragment.java
@@ -2,6 +2,7 @@ package com.stardust.scriptdroid.ui.main.scripts;
 
 import android.app.Activity;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
 import android.support.design.widget.FloatingActionButton;
 
@@ -13,6 +14,7 @@ import com.stardust.scriptdroid.ui.common.ScriptOperations;
 import com.stardust.scriptdroid.ui.main.FloatingActionMenu;
 import com.stardust.scriptdroid.ui.main.QueryEvent;
 import com.stardust.scriptdroid.ui.main.ViewPagerFragment;
+import com.stardust.scriptdroid.ui.viewmodel.ScriptList;
 import com.stardust.util.BackPressedHandler;
 
 import org.androidannotations.annotations.AfterViews;
@@ -48,10 +50,10 @@ public class MyScriptListFragment extends ViewPagerFragment implements BackPress
 
     @AfterViews
     void setUpViews() {
+        ScriptList.SortConfig sortConfig = ScriptList.SortConfig.from(PreferenceManager.getDefaultSharedPreferences(getContext()));
+        mScriptFileList.setSortConfig(sortConfig);
         mScriptFileList.setStorageFileProvider(StorageFileProvider.getDefault());
-        mScriptFileList.setOnScriptFileClickListener((view, file) -> {
-            Scripts.edit(file);
-        });
+        mScriptFileList.setOnScriptFileClickListener((view, file) -> Scripts.edit(file));
     }
 
     @Override
@@ -133,6 +135,12 @@ public class MyScriptListFragment extends ViewPagerFragment implements BackPress
         mScriptFileList.setFilter((file -> file.getSimplifiedName().contains(query)));
     }
 
+    @Override
+    public void onStop() {
+        super.onStop();
+        mScriptFileList.getSortConfig().saveInto(PreferenceManager.getDefaultSharedPreferences(getContext()));
+    }
+
     @Override
     public void onDetach() {
         super.onDetach();
@@ -140,6 +148,7 @@ public class MyScriptListFragment extends ViewPagerFragment implements BackPress
             mFloatingActionMenu.setOnFloatingActionButtonClickListener(null);
     }
 
+
     @Override
     public void onDestroy() {
         super.onDestroy();
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/ScriptListView.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/ScriptListView.java
index 055ec5f2..a2d54f5b 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/ScriptListView.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/scripts/ScriptListView.java
@@ -105,6 +105,14 @@ public class ScriptListView extends SwipeRefreshLayout implements SwipeRefreshLa
     }
 
 
+    public void setSortConfig(ScriptList.SortConfig sortConfig) {
+        mScriptList.setSortConfig(sortConfig);
+    }
+
+    public ScriptList.SortConfig getSortConfig() {
+        return mScriptList.getSortConfig();
+    }
+
     public void setStorageFileProvider(StorageFileProvider fileProvider, ScriptFile currentDirectory) {
         if (mStorageFileProvider != null)
             mStorageFileProvider.unregisterDirectoryChangeListener(this);
@@ -286,6 +294,14 @@ public class ScriptListView extends SwipeRefreshLayout implements SwipeRefreshLa
     }
 
 
+    @Override
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+        if (mStorageFileProvider != null)
+            mStorageFileProvider.registerDirectoryChangeListener(this);
+
+    }
+
     @Override
     protected void onDetachedFromWindow() {
         super.onDetachedFromWindow();
@@ -495,8 +511,12 @@ public class ScriptListView extends SwipeRefreshLayout implements SwipeRefreshLa
             }
             if (isDirCategory) {
                 mArrow.setRotation(mDirsCollapsed ? -90 : 0);
+                mSortOrder.setImageResource(mScriptList.isDirSortedAscending() ?
+                        R.drawable.ic_ascending_order : R.drawable.ic_descending_order);
             } else {
                 mArrow.setRotation(mFilesCollapsed ? -90 : 0);
+                mSortOrder.setImageResource(mScriptList.isFileSortedAscending() ?
+                        R.drawable.ic_ascending_order : R.drawable.ic_descending_order);
             }
         }
 
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/viewmodel/ScriptList.java b/app/src/main/java/com/stardust/scriptdroid/ui/viewmodel/ScriptList.java
index 712080a8..e67b603f 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/viewmodel/ScriptList.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/viewmodel/ScriptList.java
@@ -1,5 +1,7 @@
 package com.stardust.scriptdroid.ui.viewmodel;
 
+import android.content.SharedPreferences;
+
 import com.stardust.scriptdroid.model.script.ScriptFile;
 import com.stardust.scriptdroid.ui.main.scripts.ScriptListView;
 import com.stardust.util.FileSorter;
@@ -14,41 +16,99 @@ import java.util.Comparator;
 
 public class ScriptList {
 
+    public static class SortConfig {
+
+        private static final String CLASS_NAME = "com.stardust.scriptdroid.ui.viewmodel.ScriptList.SortConfig";
+
+        private int mDirSortType = SORT_TYPE_NAME;
+        private boolean mDirSortedAscending;
+        private boolean mFileSortedAscending;
+        private int mFileSortType = SORT_TYPE_NAME;
+
+        public int getDirSortType() {
+            return mDirSortType;
+        }
+
+        public void setDirSortType(int dirSortType) {
+            mDirSortType = dirSortType;
+        }
+
+        public boolean isDirSortedAscending() {
+            return mDirSortedAscending;
+        }
+
+        public void setDirSortedAscending(boolean dirSortedAscending) {
+            mDirSortedAscending = dirSortedAscending;
+        }
+
+        public boolean isFileSortedAscending() {
+            return mFileSortedAscending;
+        }
+
+        public void setFileSortedAscending(boolean fileSortedAscending) {
+            mFileSortedAscending = fileSortedAscending;
+        }
+
+        public int getFileSortType() {
+            return mFileSortType;
+        }
+
+        public void setFileSortType(int fileSortType) {
+            mFileSortType = fileSortType;
+        }
+
+        public void saveInto(SharedPreferences preferences) {
+            preferences.edit()
+                    .putInt(CLASS_NAME + "." + "file_sort_type", mFileSortType)
+                    .putInt(CLASS_NAME + "." + "dir_sort_type", mDirSortType)
+                    .putBoolean(CLASS_NAME + "." + "file_ascending", mFileSortedAscending)
+                    .putBoolean(CLASS_NAME + "." + "dir_ascending", mDirSortedAscending)
+                    .apply();
+
+        }
+
+        public static SortConfig from(SharedPreferences preferences) {
+            SortConfig config = new SortConfig();
+            config.setDirSortedAscending(preferences.getBoolean(CLASS_NAME + "." + "dir_ascending", false));
+            config.setFileSortedAscending(preferences.getBoolean(CLASS_NAME + "." + "file_ascending", false));
+            config.setDirSortType(preferences.getInt(CLASS_NAME + "." + "dir_sort_type", SORT_TYPE_NAME));
+            config.setFileSortType(preferences.getInt(CLASS_NAME + "." + "file_sort_type", SORT_TYPE_NAME));
+            return config;
+        }
+    }
+
     public static final int SORT_TYPE_NAME = 0x10;
     public static final int SORT_TYPE_TYPE = 0x20;
     public static final int SORT_TYPE_SIZE = 0x30;
     public static final int SORT_TYPE_DATE = 0x40;
 
+    private SortConfig mSortConfig = new SortConfig();
     private ArrayList<ScriptFile> mScriptFiles = new ArrayList<>();
     private ArrayList<ScriptFile> mDirectories = new ArrayList<>();
-    private int mDirSortType = SORT_TYPE_NAME;
-    private boolean mDirSortedAscending;
-    private boolean mFileSortedAscending;
-    private int mFileSortType = SORT_TYPE_NAME;
 
 
     public boolean isDirSortedAscending() {
-        return mDirSortedAscending;
+        return mSortConfig.mDirSortedAscending;
     }
 
     public boolean isFileSortedAscending() {
-        return mFileSortedAscending;
+        return mSortConfig.mFileSortedAscending;
     }
 
     public int getDirSortType() {
-        return mDirSortType;
+        return mSortConfig.mDirSortType;
     }
 
     public int getFileSortType() {
-        return mFileSortType;
+        return mSortConfig.mFileSortType;
     }
 
     public void setDirSortedAscending(boolean dirSortedAscending) {
-        mDirSortedAscending = dirSortedAscending;
+        mSortConfig.mDirSortedAscending = dirSortedAscending;
     }
 
     public void setFileSortedAscending(boolean fileSortedAscending) {
-        mFileSortedAscending = fileSortedAscending;
+        mSortConfig.mFileSortedAscending = fileSortedAscending;
     }
 
     private Comparator<File> getComparator(int sortType) {
@@ -99,26 +159,31 @@ public class ScriptList {
     }
 
     public void sortDir(int sortType) {
-        mDirSortType = sortType;
-        FileSorter.sort(mDirectories, getComparator(sortType), mDirSortedAscending);
+        mSortConfig.mDirSortType = sortType;
+        FileSorter.sort(mDirectories, getComparator(sortType), mSortConfig.mDirSortedAscending);
     }
 
     public void sortFile(int sortType) {
-        mFileSortType = sortType;
-        FileSorter.sort(mScriptFiles, getComparator(sortType), mFileSortedAscending);
+        mSortConfig.mFileSortType = sortType;
+        FileSorter.sort(mScriptFiles, getComparator(sortType), mSortConfig.mFileSortedAscending);
     }
 
     public void sort() {
-        FileSorter.sort(mDirectories, getComparator(mDirSortType), mDirSortedAscending);
-        FileSorter.sort(mScriptFiles, getComparator(mFileSortType), mFileSortedAscending);
+        FileSorter.sort(mDirectories, getComparator(mSortConfig.mDirSortType), mSortConfig.mDirSortedAscending);
+        FileSorter.sort(mScriptFiles, getComparator(mSortConfig.mFileSortType), mSortConfig.mFileSortedAscending);
+    }
+
+    public SortConfig getSortConfig() {
+        return mSortConfig;
+    }
+
+    public void setSortConfig(SortConfig sortConfig) {
+        mSortConfig = sortConfig;
     }
 
     public ScriptList cloneConfig() {
         ScriptList list = new ScriptList();
-        list.mFileSortType = mFileSortType;
-        list.mDirSortType = mDirSortType;
-        list.mDirSortedAscending = mDirSortedAscending;
-        list.mFileSortedAscending = mFileSortedAscending;
+        list.mSortConfig = mSortConfig;
         return list;
     }
 }
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
index c480a892..c18713e2 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Timers.java
@@ -16,7 +16,7 @@ public class Timers {
     private SparseArray<Runnable> mHandlerCallbacks = new SparseArray<>();
     private int mCallbackMaxId = 0;
     private ScriptBridges mBridges;
-    private Handler mHandler;
+    private ThreadLocal<Handler> mHandler = new ThreadLocal<>();
     private long mFutureCallbackUptimeMillis = 0;
 
     public Timers(ScriptBridges bridges) {
@@ -24,8 +24,8 @@ public class Timers {
     }
 
     private void ensureHandler() {
-        if (mHandler == null) {
-            mHandler = new Handler();
+        if (mHandler.get() == null) {
+            mHandler.set(new Handler());
         }
     }
 
@@ -33,12 +33,9 @@ public class Timers {
         ensureHandler();
         mCallbackMaxId++;
         final int id = mCallbackMaxId;
-        Runnable r = new Runnable() {
-            @Override
-            public void run() {
-                mBridges.callFunction(callback, null, args);
-                mHandlerCallbacks.remove(id);
-            }
+        Runnable r = () -> {
+            mBridges.callFunction(callback, null, args);
+            mHandlerCallbacks.remove(id);
         };
         mHandlerCallbacks.put(id, r);
         postDelayed(r, delay);
@@ -69,7 +66,7 @@ public class Timers {
 
     private void postDelayed(Runnable r, long interval) {
         long uptime = SystemClock.uptimeMillis() + interval;
-        mHandler.postAtTime(r, uptime);
+        mHandler.get().postAtTime(r, uptime);
         mFutureCallbackUptimeMillis = Math.max(mFutureCallbackUptimeMillis, uptime);
     }
 
@@ -100,7 +97,7 @@ public class Timers {
     private boolean clearCallback(int id) {
         Runnable callback = mHandlerCallbacks.get(id);
         if (callback != null) {
-            mHandler.removeCallbacks(callback);
+            mHandler.get().removeCallbacks(callback);
             mHandlerCallbacks.remove(id);
             return true;
         }