diff --git a/.idea/modules.xml b/.idea/modules.xml
index 7e950955..4fac18b4 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/autojs/build.gradle b/autojs/build.gradle
index 605cebd5..c7d9d43f 100644
--- a/autojs/build.gradle
+++ b/autojs/build.gradle
@@ -49,6 +49,7 @@ dependencies {
     compile(name: 'libtermexec-release', ext: 'aar')
     compile(name: 'emulatorview-release', ext: 'aar')
     compile(name: 'term-debug', ext: 'aar')
+    compile files('libs/rhino-1.7.7.2.jar')
     compile project(path: ':common')
     compile project(path: ':automator')
 }
diff --git a/autojs/libs/rhino-1.7.8-20170311.033547-42.jar b/autojs/libs/rhino-1.7.8-20170311.033547-42.jar
deleted file mode 100644
index e88af595..00000000
Binary files a/autojs/libs/rhino-1.7.8-20170311.033547-42.jar and /dev/null differ
diff --git a/autojs/src/main/assets/javascript_engine_init.js b/autojs/src/main/assets/javascript_engine_init.js
index e1da05c3..d874b4cf 100644
--- a/autojs/src/main/assets/javascript_engine_init.js
+++ b/autojs/src/main/assets/javascript_engine_init.js
@@ -39,6 +39,9 @@ __runtime__.bridges.setBridges({
             }
         }
         return arr;
+    },
+    toString: function(o){
+        return String(o);
     }
 });
 
@@ -67,3 +70,4 @@ require("__general__")(__runtime__, this);
 
 __importClass__(android.view.KeyEvent);
 __importClass__(com.stardust.autojs.core.util.Shell);
+
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
index ef2e786a..5ce93f73 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
@@ -184,7 +184,7 @@ public class RhinoJavaScriptEngine extends JavaScriptEngine {
         @Override
         public Object wrap(Context cx, Scriptable scope, Object obj, Class<?> staticType) {
             if (staticType == String.class) {
-                return createNativeString(obj);
+                return getRuntime().bridges.toString(obj);
             }
             if (staticType == UiObjectCollection.class ) {
                 return getRuntime().bridges.toArray(obj);
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptBridges.java b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptBridges.java
index 0678079e..120497c3 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptBridges.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptBridges.java
@@ -8,6 +8,7 @@ import com.stardust.autojs.core.accessibility.UiCollection;
 
 public class ScriptBridges {
 
+
     public interface Bridges {
 
         Object[] NO_ARGUMENTS = new Object[0];
@@ -15,6 +16,8 @@ public class ScriptBridges {
         Object call(Object func, Object target, Object[] arg);
 
         Object toArray(Object o);
+
+        Object toString(Object obj);
     }
 
     private Bridges mBridges;
@@ -38,4 +41,10 @@ public class ScriptBridges {
         checkBridges();
         return mBridges.toArray(c);
     }
+
+
+    public Object toString(Object obj) {
+        checkBridges();
+        return mBridges.toString(obj);
+    }
 }