diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 7616cb72..b9ae1c9e 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -97,7 +97,7 @@
             </intent-filter>
         </activity>
         <activity
-            android:name="com.stardust.autojs.runtime.api.image.ScreenCaptureRequestActivity"
+            android:name="com.stardust.autojs.core.image.ScreenCaptureRequestActivity"
             android:taskAffinity="com.stardust.autojs.runtime.api.image.ScreenCaptureRequestActivity"
             android:theme="@android:style/Theme.Translucent.NoTitleBar"/>
 
diff --git a/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java b/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
index ac61aee3..253671c0 100644
--- a/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
+++ b/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
@@ -22,15 +22,15 @@ import com.stardust.autojs.runtime.exception.ScriptException;
 import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.api.AppUtils;
 import com.stardust.autojs.runtime.api.Console;
-import com.stardust.autojs.runtime.api.image.ScreenCaptureRequester;
+import com.stardust.autojs.core.image.ScreenCaptureRequester;
 import com.stardust.autojs.core.inputevent.InputEventObserver;
 import com.stardust.autojs.script.AutoFileSource;
 import com.stardust.autojs.script.JavaScriptSource;
 import com.stardust.scriptdroid.App;
 import com.stardust.scriptdroid.Pref;
 import com.stardust.scriptdroid.R;
-import com.stardust.autojs.runtime.api.image.ScreenCaptureRequestActivity;
-import com.stardust.autojs.runtime.api.Shell;
+import com.stardust.autojs.core.image.ScreenCaptureRequestActivity;
+import com.stardust.autojs.core.util.Shell;
 import com.stardust.autojs.core.console.StardustConsole;
 import com.stardust.util.ScreenMetrics;
 import com.stardust.util.Supplier;
diff --git a/app/src/main/java/com/stardust/scriptdroid/tool/AccessibilityServiceTool.java b/app/src/main/java/com/stardust/scriptdroid/tool/AccessibilityServiceTool.java
index 06eb0b75..fc15357d 100644
--- a/app/src/main/java/com/stardust/scriptdroid/tool/AccessibilityServiceTool.java
+++ b/app/src/main/java/com/stardust/scriptdroid/tool/AccessibilityServiceTool.java
@@ -7,7 +7,7 @@ import android.text.TextUtils;
 import com.stardust.scriptdroid.Pref;
 import com.stardust.scriptdroid.App;
 import com.stardust.scriptdroid.R;
-import com.stardust.autojs.runtime.api.ProcessShell;
+import com.stardust.autojs.core.util.ProcessShell;
 import com.stardust.scriptdroid.accessibility.AccessibilityService;
 import com.stardust.view.accessibility.AccessibilityServiceUtils;
 
diff --git a/autojs/src/main/assets/javascript_engine_init.js b/autojs/src/main/assets/javascript_engine_init.js
index 7f17b7e3..fda1ad45 100644
--- a/autojs/src/main/assets/javascript_engine_init.js
+++ b/autojs/src/main/assets/javascript_engine_init.js
@@ -47,4 +47,4 @@ require("__general__")(__runtime__, this);
 })(__that__);
 
 __importClass__(android.view.KeyEvent);
-__importClass__(com.stardust.autojs.runtime.api.Shell);
+__importClass__(com.stardust.autojs.core.util.Shell);
diff --git a/autojs/src/main/assets/modules/__RootAutomator__.js b/autojs/src/main/assets/modules/__RootAutomator__.js
index 82a91ba4..8d909602 100644
--- a/autojs/src/main/assets/modules/__RootAutomator__.js
+++ b/autojs/src/main/assets/modules/__RootAutomator__.js
@@ -1,6 +1,6 @@
 module.exports = function(__runtime__, scope){
     function RootAutomator(){
-        this.__ra__ = Object.create(new com.stardust.autojs.runtime.api.RootAutomator(scope.context));
+        this.__ra__ = Object.create(new com.stardust.autojs.core.inputevent.RootAutomator(scope.context));
         var methods = ["sendEvent", "touch", "setScreenMetrics", "touchX", "touchY", "sendSync",  "sendMtSync", "tap",
             "swipe", "press", "longPress", "touchDown", "touchUp", "touchMove", "getDefaultId", "setDefaultId", "exit"];
         for(var i = 0; i < methods.length; i++){
diff --git a/autojs/src/main/assets/modules/__images__.js b/autojs/src/main/assets/modules/__images__.js
index d957b25c..68597f3f 100644
--- a/autojs/src/main/assets/modules/__images__.js
+++ b/autojs/src/main/assets/modules/__images__.js
@@ -70,15 +70,15 @@ module.exports = function(__runtime__, scope){
    function getColorDetector(color, algorithm, threshold){
         switch(algorithm){
             case "rgb":
-                return new com.stardust.autojs.runtime.api.image.ColorDetector.RGBDistanceDetector(color, threshold);
+                return new com.stardust.autojs.core.image.ColorDetector.RGBDistanceDetector(color, threshold);
             case "equal":
-                return new com.stardust.autojs.runtime.api.image.ColorDetector.EqualityDetector(color);
+                return new com.stardust.autojs.core.image.ColorDetector.EqualityDetector(color);
             case "diff":
-                return new com.stardust.autojs.runtime.api.image.ColorDetector.DifferenceDetector(color, threshold);
+                return new com.stardust.autojs.core.image.ColorDetector.DifferenceDetector(color, threshold);
             case "rgb+":
-                return new com.stardust.autojs.runtime.api.image.ColorDetector.WeightedRGBDistanceDetector(color, threshold);
+                return new com.stardust.autojs.core.image.ColorDetector.WeightedRGBDistanceDetector(color, threshold);
             case "hs":
-                return new com.stardust.autojs.runtime.api.image.ColorDetector.HSDistanceDetector(color, threshold);
+                return new com.stardust.autojs.core.image.ColorDetector.HSDistanceDetector(color, threshold);
         }
         throw new Error("Unknown algorithm: " + algorithm);
    }
diff --git a/autojs/src/main/assets/modules/__ui__.js b/autojs/src/main/assets/modules/__ui__.js
index c2ecdd52..c4f7e092 100644
--- a/autojs/src/main/assets/modules/__ui__.js
+++ b/autojs/src/main/assets/modules/__ui__.js
@@ -52,7 +52,7 @@ module.exports = function(__runtime__, scope){
     }
 
     ui.findViewByStringId = function(view, id){
-        return com.stardust.autojs.runtime.api.ui.JsViewHelper.findViewByStringId(view, id);
+        return com.stardust.autojs.core.ui.JsViewHelper.findViewByStringId(view, id);
     }
 
     function decorate(view){
diff --git a/autojs/src/main/assets/modules/__web__.js b/autojs/src/main/assets/modules/__web__.js
index 0bbd42cc..12bf0fa3 100644
--- a/autojs/src/main/assets/modules/__web__.js
+++ b/autojs/src/main/assets/modules/__web__.js
@@ -2,11 +2,11 @@
 
 module.exports = function(__runtime__, scope){
     scope.newInjectableWebClient = function(){
-        return new com.stardust.autojs.runtime.api.InjectableWebClient(org.mozilla.javascript.Context.getCurrentContext(), scope);
+        return new com.stardust.autojs.core.web.InjectableWebClient(org.mozilla.javascript.Context.getCurrentContext(), scope);
     }
 
     scope.newInjectableWebView = function(activity){
-        return new com.stardust.autojs.runtime.api.InjectableWebView(scope.activity, org.mozilla.javascript.Context.getCurrentContext(), scope);
+        return new com.stardust.autojs.core.web.InjectableWebView(scope.activity, org.mozilla.javascript.Context.getCurrentContext(), scope);
     }
 }
 
diff --git a/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java b/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
index 16b6785d..605e7dd8 100644
--- a/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
+++ b/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
@@ -6,6 +6,7 @@ import com.stardust.autojs.engine.JavaScriptEngine;
 import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.engine.ScriptEngineManager;
 import com.stardust.autojs.execution.ExecutionConfig;
+import com.stardust.autojs.execution.LoopedBasedJavaScriptExecution;
 import com.stardust.autojs.execution.RunnableScriptExecution;
 import com.stardust.autojs.execution.ScriptExecuteActivity;
 import com.stardust.autojs.execution.ScriptExecution;
@@ -130,7 +131,12 @@ public class ScriptEngineService {
                 return ScriptExecuteActivity.execute(mContext, mScriptEngineManager, task);
             }
         }
-        RunnableScriptExecution r = new RunnableScriptExecution(mScriptEngineManager, task);
+        RunnableScriptExecution r;
+        if (source instanceof JavaScriptSource) {
+            r = new LoopedBasedJavaScriptExecution(mScriptEngineManager, task);
+        } else {
+            r = new RunnableScriptExecution(mScriptEngineManager, task);
+        }
         if (task.getConfig().runInNewThread) {
             new ThreadCompat(r).start();
         } else {
diff --git a/autojs/src/main/java/com/stardust/autojs/codegeneration/AutoScriptGenerator.java b/autojs/src/main/java/com/stardust/autojs/codegeneration/AutoScriptGenerator.java
index 8d815570..3cd6cbfa 100644
--- a/autojs/src/main/java/com/stardust/autojs/codegeneration/AutoScriptGenerator.java
+++ b/autojs/src/main/java/com/stardust/autojs/codegeneration/AutoScriptGenerator.java
@@ -1,9 +1,5 @@
 package com.stardust.autojs.codegeneration;
 
-import com.stardust.autojs.runtime.api.UiSelector;
-import com.stardust.automator.UiGlobalSelector;
-import com.stardust.automator.UiObject;
-
 /**
  * Created by Stardust on 2017/8/4.
  */
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/UiSelector.java b/autojs/src/main/java/com/stardust/autojs/core/accessibility/UiSelector.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/UiSelector.java
rename to autojs/src/main/java/com/stardust/autojs/core/accessibility/UiSelector.java
index cb72dcc9..8893e549 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/UiSelector.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/accessibility/UiSelector.java
@@ -1,10 +1,9 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.accessibility;
 
 import android.support.annotation.NonNull;
 import android.util.Log;
 import android.view.accessibility.AccessibilityNodeInfo;
 
-import com.stardust.autojs.core.accessibility.AccessibilityBridge;
 import com.stardust.autojs.annotation.ScriptInterface;
 import com.stardust.autojs.runtime.accessibility.AutomatorConfig;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/EventEmitter.java b/autojs/src/main/java/com/stardust/autojs/core/eventloop/EventEmitter.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/EventEmitter.java
rename to autojs/src/main/java/com/stardust/autojs/core/eventloop/EventEmitter.java
index b9109416..701dc541 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/EventEmitter.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/eventloop/EventEmitter.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.eventloop;
 
 import android.support.annotation.NonNull;
 
@@ -92,7 +92,7 @@ public class EventEmitter {
     private Map<String, Listeners> mListenersMap = new HashMap<>();
     public static int defaultMaxListeners = 10;
     private int mMaxListeners = defaultMaxListeners;
-    ScriptBridges mBridges;
+    protected ScriptBridges mBridges;
 
     public EventEmitter(ScriptBridges bridges) {
         mBridges = bridges;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorDetector.java b/autojs/src/main/java/com/stardust/autojs/core/image/ColorDetector.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorDetector.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ColorDetector.java
index e5a4241d..76a1fef4 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorDetector.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ColorDetector.java
@@ -1,9 +1,7 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.graphics.Color;
 
-import java.util.Comparator;
-
 /**
  * Created by Stardust on 2017/5/20.
  */
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorFinder.java b/autojs/src/main/java/com/stardust/autojs/core/image/ColorFinder.java
similarity index 99%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorFinder.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ColorFinder.java
index fb8dd117..ac9053ad 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorFinder.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ColorFinder.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.graphics.Point;
 import android.graphics.Rect;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorIterator.java b/autojs/src/main/java/com/stardust/autojs/core/image/ColorIterator.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorIterator.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ColorIterator.java
index e63aec1c..87db8a69 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ColorIterator.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ColorIterator.java
@@ -1,8 +1,7 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.graphics.Rect;
 import android.media.Image;
-import android.util.Log;
 
 import java.nio.ByteBuffer;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ConcurrentColorIterator.java b/autojs/src/main/java/com/stardust/autojs/core/image/ConcurrentColorIterator.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ConcurrentColorIterator.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ConcurrentColorIterator.java
index e4b0fb95..3a0a0a56 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ConcurrentColorIterator.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ConcurrentColorIterator.java
@@ -1,8 +1,7 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.graphics.Rect;
 import android.media.Image;
-import android.util.Log;
 
 import java.nio.ByteBuffer;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequestActivity.java b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequestActivity.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequestActivity.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequestActivity.java
index ee41dc0b..b87ef052 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequestActivity.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequestActivity.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.app.Activity;
 import android.content.Context;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequester.java b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequester.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequester.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequester.java
index 66a9620b..91707757 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCaptureRequester.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCaptureRequester.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.app.Activity;
 import android.content.Context;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCapturer.java b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCapturer.java
similarity index 99%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCapturer.java
rename to autojs/src/main/java/com/stardust/autojs/core/image/ScreenCapturer.java
index 8749d26f..d966fb8e 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/ScreenCapturer.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/image/ScreenCapturer.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.core.image;
 
 import android.app.Activity;
 import android.content.Context;
diff --git a/autojs/src/main/java/com/stardust/autojs/core/inputevent/InputEventObserver.java b/autojs/src/main/java/com/stardust/autojs/core/inputevent/InputEventObserver.java
index 99d74dbe..11326c33 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/inputevent/InputEventObserver.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/inputevent/InputEventObserver.java
@@ -5,7 +5,7 @@ import android.support.annotation.NonNull;
 import android.text.TextUtils;
 
 import com.stardust.autojs.core.record.inputevent.EventFormatException;
-import com.stardust.autojs.runtime.api.Shell;
+import com.stardust.autojs.core.util.Shell;
 
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.regex.Matcher;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/RootAutomator.java b/autojs/src/main/java/com/stardust/autojs/core/inputevent/RootAutomator.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/RootAutomator.java
rename to autojs/src/main/java/com/stardust/autojs/core/inputevent/RootAutomator.java
index aa164194..bd5e3cfd 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/RootAutomator.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/inputevent/RootAutomator.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.inputevent;
 
 import android.content.Context;
 import android.os.SystemClock;
@@ -6,7 +6,9 @@ import android.support.annotation.Nullable;
 import android.view.ViewConfiguration;
 
 import com.stardust.autojs.core.inputevent.InputDevices;
+import com.stardust.autojs.core.util.ProcessShell;
 import com.stardust.autojs.engine.RootAutomatorEngine;
+import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.util.ScreenMetrics;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToAutoFileRecorder.java b/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToAutoFileRecorder.java
index 6fd9c6e1..1b81445d 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToAutoFileRecorder.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToAutoFileRecorder.java
@@ -6,8 +6,8 @@ import android.util.Log;
 
 import com.stardust.autojs.core.inputevent.InputEventCodes;
 import com.stardust.autojs.core.inputevent.InputEventObserver;
+import com.stardust.autojs.core.inputevent.RootAutomator;
 import com.stardust.autojs.engine.RootAutomatorEngine;
-import com.stardust.autojs.runtime.api.RootAutomator;
 import com.stardust.pio.UncheckedIOException;
 import com.stardust.util.ScreenMetrics;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToRootAutomatorRecorder.java b/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToRootAutomatorRecorder.java
index b8908b7f..30fba9b0 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToRootAutomatorRecorder.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/record/inputevent/InputEventToRootAutomatorRecorder.java
@@ -1,12 +1,10 @@
 package com.stardust.autojs.core.record.inputevent;
 
 import android.support.annotation.NonNull;
-import android.util.Log;
 
 import com.stardust.autojs.core.inputevent.InputEventCodes;
 import com.stardust.autojs.core.inputevent.InputEventObserver;
 import com.stardust.autojs.engine.RootAutomatorEngine;
-import com.stardust.autojs.runtime.api.RootAutomator;
 
 import static com.stardust.util.ScreenMetrics.getDeviceScreenHeight;
 import static com.stardust.util.ScreenMetrics.getDeviceScreenWidth;
diff --git a/autojs/src/main/java/com/stardust/autojs/core/templatematching/Test.java b/autojs/src/main/java/com/stardust/autojs/core/templatematching/Test.java
index 8c406c65..63a8e87c 100644
--- a/autojs/src/main/java/com/stardust/autojs/core/templatematching/Test.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/templatematching/Test.java
@@ -1,10 +1,7 @@
 package com.stardust.autojs.core.templatematching;
 
-import android.graphics.Color;
 import android.media.Image;
 
-import com.stardust.autojs.runtime.api.image.Images;
-
 /**
  * Created by Stardust on 2017/10/5.
  */
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/BlockedMaterialDialog.java b/autojs/src/main/java/com/stardust/autojs/core/ui/BlockedMaterialDialog.java
similarity index 99%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/BlockedMaterialDialog.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/BlockedMaterialDialog.java
index 25004e3e..1577fcfe 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/BlockedMaterialDialog.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/BlockedMaterialDialog.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.core.ui;
 
 import android.app.Activity;
 import android.content.Context;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/ConvertLayoutInflater.java b/autojs/src/main/java/com/stardust/autojs/core/ui/ConvertLayoutInflater.java
similarity index 82%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/ConvertLayoutInflater.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/ConvertLayoutInflater.java
index 02b87194..6aa66adf 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/ConvertLayoutInflater.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/ConvertLayoutInflater.java
@@ -1,30 +1,18 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.core.ui;
 
 import android.content.Context;
 import android.text.InputType;
-import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
 import com.nickandjerry.dynamiclayoutinflator.lib.DynamicLayoutInflator;
-import com.stardust.autojs.runtime.api.ui.widget.JsFrameLayout;
-import com.stardust.autojs.runtime.api.ui.xml.XmlConverter;
+import com.stardust.autojs.core.ui.widget.JsFrameLayout;
+import com.stardust.autojs.core.ui.xml.XmlConverter;
 import com.stardust.util.MapEntries;
 
-import org.xml.sax.SAXException;
-import org.xmlpull.v1.XmlPullParser;
-import org.xmlpull.v1.XmlPullParserException;
-import org.xmlpull.v1.XmlPullParserFactory;
-
-import java.io.IOException;
-import java.io.StringReader;
-import java.lang.reflect.Field;
-import java.util.HashMap;
 import java.util.Map;
 
-import javax.xml.parsers.ParserConfigurationException;
-
 /**
  * Created by Stardust on 2017/5/14.
  */
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsLayoutInflater.java b/autojs/src/main/java/com/stardust/autojs/core/ui/JsLayoutInflater.java
similarity index 81%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsLayoutInflater.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/JsLayoutInflater.java
index fbd06558..b0635818 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsLayoutInflater.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/JsLayoutInflater.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.core.ui;
 
 import android.content.Context;
 import android.view.View;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsViewHelper.java b/autojs/src/main/java/com/stardust/autojs/core/ui/JsViewHelper.java
similarity index 95%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsViewHelper.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/JsViewHelper.java
index a0e00ade..3d07f45d 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/JsViewHelper.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/JsViewHelper.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.core.ui;
 
 import android.content.res.Resources;
 import android.support.annotation.Nullable;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsButton.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsButton.java
similarity index 80%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsButton.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsButton.java
index 8c3c43f8..54ceb624 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsButton.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsButton.java
@@ -1,10 +1,7 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
-import android.os.Build;
-import android.support.annotation.RequiresApi;
 import android.util.AttributeSet;
-import android.widget.Button;
 
 /**
  * Created by Stardust on 2017/5/15.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsEditText.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsEditText.java
similarity index 88%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsEditText.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsEditText.java
index c9d79fac..201f8b39 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsEditText.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsEditText.java
@@ -1,8 +1,7 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.widget.EditText;
 
 /**
  * Created by Stardust on 2017/5/15.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsFrameLayout.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsFrameLayout.java
similarity index 86%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsFrameLayout.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsFrameLayout.java
index 00676431..a72f141c 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsFrameLayout.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsFrameLayout.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
 import android.os.Build;
@@ -11,8 +11,7 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.FrameLayout;
 
-import com.nickandjerry.dynamiclayoutinflator.lib.DynamicLayoutInflator;
-import com.stardust.autojs.runtime.api.ui.JsViewHelper;
+import com.stardust.autojs.core.ui.JsViewHelper;
 
 /**
  * Created by Stardust on 2017/5/14.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsLinearLayout.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsLinearLayout.java
similarity index 84%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsLinearLayout.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsLinearLayout.java
index 9a27c169..04fc4ee9 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsLinearLayout.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsLinearLayout.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
 import android.os.Build;
@@ -8,8 +8,7 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 
-import com.nickandjerry.dynamiclayoutinflator.lib.DynamicLayoutInflator;
-import com.stardust.autojs.runtime.api.ui.JsViewHelper;
+import com.stardust.autojs.core.ui.JsViewHelper;
 
 /**
  * Created by Stardust on 2017/5/14.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsRelativeLayout.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsRelativeLayout.java
similarity index 83%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsRelativeLayout.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsRelativeLayout.java
index 26533ba2..e8335c18 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsRelativeLayout.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsRelativeLayout.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
 import android.os.Build;
@@ -7,8 +7,7 @@ import android.util.AttributeSet;
 import android.view.View;
 import android.widget.RelativeLayout;
 
-import com.nickandjerry.dynamiclayoutinflator.lib.DynamicLayoutInflator;
-import com.stardust.autojs.runtime.api.ui.JsViewHelper;
+import com.stardust.autojs.core.ui.JsViewHelper;
 
 /**
  * Created by Stardust on 2017/5/14.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsTextView.java b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsTextView.java
similarity index 81%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsTextView.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsTextView.java
index fc51a9e4..820fe3aa 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/widget/JsTextView.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/widget/JsTextView.java
@@ -1,11 +1,8 @@
-package com.stardust.autojs.runtime.api.ui.widget;
+package com.stardust.autojs.core.ui.widget;
 
 import android.content.Context;
-import android.os.Build;
 import android.support.annotation.Nullable;
-import android.support.annotation.RequiresApi;
 import android.util.AttributeSet;
-import android.widget.TextView;
 
 /**
  * Created by Stardust on 2017/5/15.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/AttributeHandler.java b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/AttributeHandler.java
similarity index 99%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/AttributeHandler.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/xml/AttributeHandler.java
index f23d98b1..e9688860 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/AttributeHandler.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/AttributeHandler.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.xml;
+package com.stardust.autojs.core.ui.xml;
 
 import org.w3c.dom.Node;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/NodeHandler.java b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/NodeHandler.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/NodeHandler.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/xml/NodeHandler.java
index 893d2a92..963b986d 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/NodeHandler.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/NodeHandler.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.xml;
+package com.stardust.autojs.core.ui.xml;
 
 import org.w3c.dom.Node;
 
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/XmlConverter.java b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/XmlConverter.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/XmlConverter.java
rename to autojs/src/main/java/com/stardust/autojs/core/ui/xml/XmlConverter.java
index 1aeaf154..dde43b5a 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/xml/XmlConverter.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/ui/xml/XmlConverter.java
@@ -1,6 +1,4 @@
-package com.stardust.autojs.runtime.api.ui.xml;
-
-import com.stardust.util.MapEntries;
+package com.stardust.autojs.core.ui.xml;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.NamedNodeMap;
@@ -11,7 +9,6 @@ import org.xml.sax.SAXException;
 
 import java.io.IOException;
 import java.io.StringReader;
-import java.util.Map;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ProcessShell.java b/autojs/src/main/java/com/stardust/autojs/core/util/ProcessShell.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ProcessShell.java
rename to autojs/src/main/java/com/stardust/autojs/core/util/ProcessShell.java
index 2f8aa0f7..26755b48 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ProcessShell.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/util/ProcessShell.java
@@ -1,8 +1,9 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.util;
 
 
 import android.util.Log;
 
+import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.autojs.util.ProcessUtils;
 import com.stardust.pio.UncheckedIOException;
@@ -12,8 +13,6 @@ import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.Reader;
 
 /**
  * Created by Stardust on 2017/1/20.
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Shell.java b/autojs/src/main/java/com/stardust/autojs/core/util/Shell.java
similarity index 98%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/Shell.java
rename to autojs/src/main/java/com/stardust/autojs/core/util/Shell.java
index 22581fb4..835ee518 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Shell.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/util/Shell.java
@@ -1,10 +1,11 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.util;
 
 import android.content.Context;
 import android.os.Handler;
 import android.preference.PreferenceManager;
 import android.util.Log;
 
+import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.lang.ThreadCompat;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebClient.java b/autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebClient.java
similarity index 99%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebClient.java
rename to autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebClient.java
index 726b4b02..5099e301 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebClient.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebClient.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.web;
 
 import android.annotation.SuppressLint;
 import android.util.Log;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebView.java b/autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebView.java
similarity index 96%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebView.java
rename to autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebView.java
index e40b95b4..7e34f406 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/InjectableWebView.java
+++ b/autojs/src/main/java/com/stardust/autojs/core/web/InjectableWebView.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api;
+package com.stardust.autojs.core.web;
 
 import android.content.Context;
 import android.webkit.ValueCallback;
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/LoopBasedJavaScriptEngine.java b/autojs/src/main/java/com/stardust/autojs/engine/LoopBasedJavaScriptEngine.java
index b3ef23b9..3a44dc82 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/LoopBasedJavaScriptEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/LoopBasedJavaScriptEngine.java
@@ -8,6 +8,7 @@ import android.os.MessageQueue;
 import com.stardust.autojs.runtime.api.Loopers;
 import com.stardust.autojs.script.JavaScriptSource;
 import com.stardust.autojs.script.ScriptSource;
+import com.stardust.util.Callback;
 
 /**
  * Created by Stardust on 2017/7/28.
@@ -24,18 +25,27 @@ public class LoopBasedJavaScriptEngine extends RhinoJavaScriptEngine {
 
     @Override
     public Object execute(final JavaScriptSource source) {
+        execute(source, null);
+        return null;
+    }
+
+
+    public void execute(final ScriptSource source, final Callback<Object> callback) {
         Runnable r = new Runnable() {
             @Override
             public void run() {
-                LoopBasedJavaScriptEngine.super.execute(source);
+                Object o = LoopBasedJavaScriptEngine.super.execute((JavaScriptSource) source);
+                if (callback != null)
+                    callback.call(o);
+
             }
         };
         mHandler.post(r);
         if (!mLooping && Looper.myLooper() != Looper.getMainLooper()) {
             mLooping = true;
             Looper.loop();
+            mLooping = false;
         }
-        return null;
     }
 
     @Override
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/RootAutomatorEngine.java b/autojs/src/main/java/com/stardust/autojs/engine/RootAutomatorEngine.java
index 347fb089..395daa73 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RootAutomatorEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RootAutomatorEngine.java
@@ -3,10 +3,8 @@ package com.stardust.autojs.engine;
 import android.content.Context;
 import android.preference.PreferenceManager;
 import android.util.Log;
-import android.util.Patterns;
 
-import com.stardust.autojs.runtime.api.AbstractShell;
-import com.stardust.autojs.runtime.api.ProcessShell;
+import com.stardust.autojs.core.util.ProcessShell;
 import com.stardust.autojs.core.inputevent.InputDevices;
 import com.stardust.autojs.runtime.exception.ScriptException;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
diff --git a/autojs/src/main/java/com/stardust/autojs/execution/LoopedBasedJavaScriptExecution.java b/autojs/src/main/java/com/stardust/autojs/execution/LoopedBasedJavaScriptExecution.java
new file mode 100644
index 00000000..411bcdef
--- /dev/null
+++ b/autojs/src/main/java/com/stardust/autojs/execution/LoopedBasedJavaScriptExecution.java
@@ -0,0 +1,58 @@
+package com.stardust.autojs.execution;
+
+import android.os.MessageQueue;
+import android.util.Log;
+
+import com.stardust.autojs.engine.LoopBasedJavaScriptEngine;
+import com.stardust.autojs.engine.ScriptEngine;
+import com.stardust.autojs.engine.ScriptEngineManager;
+import com.stardust.autojs.runtime.api.Loopers;
+import com.stardust.autojs.script.JavaScriptSource;
+import com.stardust.autojs.script.ScriptSource;
+
+/**
+ * Created by Stardust on 2017/10/27.
+ */
+
+public class LoopedBasedJavaScriptExecution extends RunnableScriptExecution {
+
+    public LoopedBasedJavaScriptExecution(ScriptEngineManager manager, ScriptExecutionTask task) {
+        super(manager, task);
+    }
+
+
+    protected Object doExecution(final ScriptEngine engine) {
+        engine.setTag(ScriptEngine.TAG_SOURCE, getSource());
+        getListener().onStart(this);
+        long delay = getConfig().delay;
+        sleep(delay);
+        final LoopBasedJavaScriptEngine javaScriptEngine = (LoopBasedJavaScriptEngine) engine;
+        final long interval = getConfig().interval;
+        javaScriptEngine.getRuntime().loopers.setLooperQuitHandler(new Loopers.LooperQuitHandler() {
+            long times = getConfig().loopTimes == 0 ? Integer.MAX_VALUE : getConfig().loopTimes;
+
+            @Override
+            public boolean shouldQuit() {
+                times--;
+                if (times > 0) {
+                    sleep(interval);
+                    javaScriptEngine.execute(getSource());
+                    return false;
+                }
+                javaScriptEngine.getRuntime().loopers.setLooperQuitHandler(null);
+                getListener().onSuccess(LoopedBasedJavaScriptExecution.this, null);
+                return true;
+            }
+        });
+        javaScriptEngine.execute(
+
+                getSource());
+        return null;
+    }
+
+    @Override
+    public JavaScriptSource getSource() {
+        return (JavaScriptSource) super.getSource();
+    }
+
+}
diff --git a/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java b/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
index 4f460148..bc9ff9bf 100644
--- a/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
+++ b/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
@@ -51,7 +51,7 @@ public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecu
         engine.init();
     }
 
-    private Object doExecution(ScriptEngine engine) {
+    protected Object doExecution(ScriptEngine engine) {
         engine.setTag(ScriptEngine.TAG_SOURCE, getSource());
         getListener().onStart(this);
         Object result = null;
@@ -64,14 +64,19 @@ public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecu
         sleep(delay);
         ScriptSource source = getSource();
         for (int i = 0; i < times; i++) {
-            result = engine.execute(source);
+            result = execute(engine, source);
             sleep(interval);
         }
         getListener().onSuccess(this, result);
         return result;
     }
 
-    private void sleep(long i) {
+    @SuppressWarnings("unchecked")
+    protected Object execute(ScriptEngine engine, ScriptSource source) {
+        return engine.execute(source);
+    }
+
+    protected void sleep(long i) {
         if (i <= 0) {
             return;
         }
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
index 08767d18..2172b923 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
@@ -17,19 +17,19 @@ import com.stardust.autojs.runtime.api.Engines;
 import com.stardust.autojs.runtime.api.Events;
 import com.stardust.autojs.runtime.api.Loopers;
 import com.stardust.autojs.runtime.api.Timers;
-import com.stardust.autojs.runtime.api.UiSelector;
-import com.stardust.autojs.runtime.api.image.Images;
-import com.stardust.autojs.runtime.api.image.ScreenCaptureRequester;
-import com.stardust.autojs.runtime.api.ui.Dialogs;
+import com.stardust.autojs.core.accessibility.UiSelector;
+import com.stardust.autojs.runtime.api.Images;
+import com.stardust.autojs.core.image.ScreenCaptureRequester;
+import com.stardust.autojs.runtime.api.Dialogs;
 import com.stardust.autojs.runtime.exception.ScriptEnvironmentException;
 import com.stardust.autojs.runtime.exception.ScriptException;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.autojs.core.accessibility.SimpleActionAutomator;
 import com.stardust.concurrent.VolatileBox;
-import com.stardust.autojs.runtime.api.ui.UI;
+import com.stardust.autojs.runtime.api.UI;
 import com.stardust.pio.UncheckedIOException;
 import com.stardust.util.ClipboardUtil;
-import com.stardust.autojs.runtime.api.ProcessShell;
+import com.stardust.autojs.core.util.ProcessShell;
 import com.stardust.util.ScreenMetrics;
 import com.stardust.util.SdkVersionUtil;
 import com.stardust.util.Supplier;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/AbstractShell.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/AbstractShell.java
index 4c985fc2..24911ec7 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/AbstractShell.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/AbstractShell.java
@@ -28,10 +28,10 @@ public abstract class AbstractShell {
         }
     }
 
-    static final String COMMAND_SU = "su";
-    static final String COMMAND_SH = "sh";
-    static final String COMMAND_EXIT = "exit\n";
-    static final String COMMAND_LINE_END = "\n";
+    protected static final String COMMAND_SU = "su";
+    protected static final String COMMAND_SH = "sh";
+    protected static final String COMMAND_EXIT = "exit\n";
+    protected static final String COMMAND_LINE_END = "\n";
 
 
     private int mTouchDevice = -1;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/Dialogs.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Dialogs.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/Dialogs.java
rename to autojs/src/main/java/com/stardust/autojs/runtime/api/Dialogs.java
index 2d567ec0..65d3013a 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/Dialogs.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Dialogs.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.runtime.api;
 
 import android.app.Activity;
 import android.content.Context;
@@ -9,6 +9,7 @@ import com.afollestad.materialdialogs.MaterialDialog;
 import com.afollestad.materialdialogs.Theme;
 import com.stardust.autojs.R;
 import com.stardust.autojs.annotation.ScriptInterface;
+import com.stardust.autojs.core.ui.BlockedMaterialDialog;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.autojs.runtime.api.AppUtils;
 import com.stardust.concurrent.VolatileBox;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Events.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Events.java
index d070d92d..86f08401 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Events.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Events.java
@@ -10,6 +10,7 @@ import android.view.accessibility.AccessibilityEvent;
 
 import com.stardust.autojs.R;
 import com.stardust.autojs.core.accessibility.AccessibilityBridge;
+import com.stardust.autojs.core.eventloop.EventEmitter;
 import com.stardust.autojs.runtime.ScriptBridges;
 import com.stardust.autojs.runtime.exception.ScriptException;
 import com.stardust.autojs.core.inputevent.InputEventObserver;
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/Images.java
similarity index 97%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java
rename to autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
index b82d8dc5..e37a7307 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/image/Images.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Images.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.runtime.api.image;
+package com.stardust.autojs.runtime.api;
 
 import android.app.Activity;
 import android.content.Context;
@@ -15,6 +15,9 @@ import android.view.Display;
 import android.view.Surface;
 import android.view.WindowManager;
 
+import com.stardust.autojs.core.image.ColorFinder;
+import com.stardust.autojs.core.image.ScreenCaptureRequester;
+import com.stardust.autojs.core.image.ScreenCapturer;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.autojs.annotation.ScriptVariable;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/Loopers.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/Loopers.java
index 1685f2b9..6bff0dcf 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/Loopers.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/Loopers.java
@@ -6,7 +6,6 @@ import android.os.MessageQueue;
 import com.stardust.autojs.runtime.exception.ScriptInterruptedException;
 import com.stardust.lang.ThreadCompat;
 
-import java.lang.reflect.Field;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -15,10 +14,15 @@ import java.util.concurrent.ConcurrentHashMap;
 
 public class Loopers {
 
+    public interface LooperQuitHandler {
+        boolean shouldQuit();
+    }
+
     public volatile boolean waitWhenIdle = false;
     private volatile Looper mServantLooper;
     private static volatile ConcurrentHashMap<Thread, Looper> sLoopers = new ConcurrentHashMap<>();
     private Timers mTimers;
+    private LooperQuitHandler mLooperQuitHandler;
 
     public Loopers(Timers timers) {
         mTimers = timers;
@@ -29,8 +33,11 @@ public class Loopers {
             @Override
             public boolean queueIdle() {
                 Looper l = Looper.myLooper();
-                if (l != null && shouldQuitLooper())
-                    l.quit();
+                if (l != null && shouldQuitLooper()) {
+                    if (mLooperQuitHandler != null && mLooperQuitHandler.shouldQuit()) {
+                        l.quit();
+                    }
+                }
                 return true;
             }
         });
@@ -102,4 +109,8 @@ public class Loopers {
         if (looper != null)
             looper.quit();
     }
+
+    public void setLooperQuitHandler(LooperQuitHandler looperQuitHandler) {
+        mLooperQuitHandler = looperQuitHandler;
+    }
 }
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 bd747811..c480a892 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
@@ -2,6 +2,7 @@ package com.stardust.autojs.runtime.api;
 
 import android.os.Handler;
 import android.os.SystemClock;
+import android.util.Log;
 import android.util.SparseArray;
 
 import com.stardust.autojs.runtime.ScriptBridges;
@@ -28,7 +29,7 @@ public class Timers {
         }
     }
 
-    public int setTimeout(final Object callback, long delay, final Object... args) {
+    public int setTimeout(final Object callback, final long delay, final Object... args) {
         ensureHandler();
         mCallbackMaxId++;
         final int id = mCallbackMaxId;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/UI.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/UI.java
similarity index 88%
rename from autojs/src/main/java/com/stardust/autojs/runtime/api/ui/UI.java
rename to autojs/src/main/java/com/stardust/autojs/runtime/api/UI.java
index 1666aa05..458bb0f7 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/ui/UI.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/api/UI.java
@@ -1,7 +1,9 @@
-package com.stardust.autojs.runtime.api.ui;
+package com.stardust.autojs.runtime.api;
 
 import android.content.Context;
 
+import com.stardust.autojs.core.ui.ConvertLayoutInflater;
+import com.stardust.autojs.core.ui.JsLayoutInflater;
 import com.stardust.autojs.rhino.ProxyObject;
 
 import org.mozilla.javascript.Scriptable;
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/api/crypto/Crypto.java b/autojs/src/main/java/com/stardust/autojs/runtime/api/crypto/Crypto.java
deleted file mode 100644
index 2fdd5589..00000000
--- a/autojs/src/main/java/com/stardust/autojs/runtime/api/crypto/Crypto.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.stardust.autojs.runtime.api.crypto;
-
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-
-import javax.crypto.Cipher;
-import javax.crypto.KeyGenerator;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.SecretKey;
-
-import static javax.crypto.Cipher.ENCRYPT_MODE;
-
-/**
- * Created by Stardust on 2017/9/20.
- */
-
-public class Crypto {
-
-    public Cipher createCipher(String algorithm, String password) throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException {
-        javax.crypto.Cipher cipher = javax.crypto.Cipher.getInstance(algorithm);
-        KeyGenerator keyGenerator = KeyGenerator.getInstance(algorithm);
-        keyGenerator.init(128, new SecureRandom(password.getBytes()));
-        SecretKey secretKey = keyGenerator.generateKey();
-        cipher.init(ENCRYPT_MODE, secretKey);
-        return cipher;
-    }
-}
diff --git a/autojs/src/main/java/com/stardust/autojs/util/ProcessUtils.java b/autojs/src/main/java/com/stardust/autojs/util/ProcessUtils.java
index 4deee6a2..5a4f2a8d 100644
--- a/autojs/src/main/java/com/stardust/autojs/util/ProcessUtils.java
+++ b/autojs/src/main/java/com/stardust/autojs/util/ProcessUtils.java
@@ -2,7 +2,7 @@ package com.stardust.autojs.util;
 
 import android.util.Log;
 
-import com.stardust.autojs.runtime.api.ProcessShell;
+import com.stardust.autojs.core.util.ProcessShell;
 
 import java.lang.reflect.Field;
 
diff --git a/autojs/src/test/java/com/stardust/autojs/ExampleUnitTest.java b/autojs/src/test/java/com/stardust/autojs/ExampleUnitTest.java
index f7c84114..5d8c23ee 100644
--- a/autojs/src/test/java/com/stardust/autojs/ExampleUnitTest.java
+++ b/autojs/src/test/java/com/stardust/autojs/ExampleUnitTest.java
@@ -1,11 +1,7 @@
 package com.stardust.autojs;
 
-import com.stardust.autojs.runtime.api.image.ColorDetector;
-
 import org.junit.Test;
 
-import java.util.Arrays;
-
 /**
  * Example local unit test, which will execute on the development machine (host).
  *
diff --git a/autojs/src/test/java/com/stardust/autojs/runtime/api/ui/XmlConverterTest.java b/autojs/src/test/java/com/stardust/autojs/runtime/api/ui/XmlConverterTest.java
index 020f62bc..b6e00c15 100644
--- a/autojs/src/test/java/com/stardust/autojs/runtime/api/ui/XmlConverterTest.java
+++ b/autojs/src/test/java/com/stardust/autojs/runtime/api/ui/XmlConverterTest.java
@@ -1,6 +1,6 @@
 package com.stardust.autojs.runtime.api.ui;
 
-import com.stardust.autojs.runtime.api.ui.xml.XmlConverter;
+import com.stardust.autojs.core.ui.xml.XmlConverter;
 
 import org.junit.Test;
 import org.xml.sax.SAXException;
diff --git a/automator/src/main/java/com/stardust/automator/UiObject.java b/automator/src/main/java/com/stardust/automator/UiObject.java
index c7a95563..0da339af 100644
--- a/automator/src/main/java/com/stardust/automator/UiObject.java
+++ b/automator/src/main/java/com/stardust/automator/UiObject.java
@@ -134,21 +134,21 @@ public class UiObject extends AccessibilityNodeInfoCompat {
     }
 
     @NonNull
-    public CharSequence text() {
+    public String text() {
         CharSequence t = getText();
-        return t == null ? "" : t;
+        return t == null ? "" : t.toString();
     }
 
-    public CharSequence desc() {
-        return getContentDescription();
+    public String desc() {
+        return getContentDescription().toString();
     }
 
-    public CharSequence className() {
-        return getClassName();
+    public String className() {
+        return getClassName().toString();
     }
 
-    public CharSequence packageName() {
-        return getPackageName();
+    public String packageName() {
+        return getPackageName().toString();
     }
 
     public boolean performAction(int action, ActionArgument... arguments) {
diff --git a/inrt/src/main/java/com/stardust/auojs/inrt/rt/AccessibilityServiceTool.java b/inrt/src/main/java/com/stardust/auojs/inrt/rt/AccessibilityServiceTool.java
index 9e455ee3..28ac126e 100644
--- a/inrt/src/main/java/com/stardust/auojs/inrt/rt/AccessibilityServiceTool.java
+++ b/inrt/src/main/java/com/stardust/auojs/inrt/rt/AccessibilityServiceTool.java
@@ -7,7 +7,7 @@ import android.provider.Settings;
 import android.text.TextUtils;
 
 import com.stardust.auojs.inrt.App;
-import com.stardust.autojs.runtime.api.ProcessShell;
+import com.stardust.autojs.core.util.ProcessShell;
 
 import java.util.Locale;
 
diff --git a/inrt/src/main/java/com/stardust/auojs/inrt/rt/AutoJs.java b/inrt/src/main/java/com/stardust/auojs/inrt/rt/AutoJs.java
index 23c360d3..723434ec 100644
--- a/inrt/src/main/java/com/stardust/auojs/inrt/rt/AutoJs.java
+++ b/inrt/src/main/java/com/stardust/auojs/inrt/rt/AutoJs.java
@@ -24,11 +24,9 @@ import com.stardust.autojs.engine.ScriptEngineManager;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.api.AppUtils;
-import com.stardust.autojs.runtime.api.Console;
-import com.stardust.autojs.core.console.NoOpConsole;
-import com.stardust.autojs.runtime.api.Shell;
-import com.stardust.autojs.runtime.api.image.ScreenCaptureRequestActivity;
-import com.stardust.autojs.runtime.api.image.ScreenCaptureRequester;
+import com.stardust.autojs.core.util.Shell;
+import com.stardust.autojs.core.image.ScreenCaptureRequestActivity;
+import com.stardust.autojs.core.image.ScreenCaptureRequester;
 import com.stardust.autojs.core.console.StardustConsole;
 import com.stardust.autojs.runtime.exception.ScriptException;
 import com.stardust.autojs.script.AutoFileSource;
@@ -39,7 +37,6 @@ import com.stardust.util.UiHandler;
 import com.stardust.view.accessibility.AccessibilityInfoProvider;
 import com.stardust.view.accessibility.AccessibilityService;
 import com.stardust.view.accessibility.AccessibilityServiceUtils;
-import com.stardust.view.accessibility.LayoutInspector;
 import com.stardust.view.accessibility.NotificationListener;