diff --git a/.idea/dictionaries/Stardust.xml b/.idea/dictionaries/Stardust.xml
index 20a6491d..fde83f1b 100644
--- a/.idea/dictionaries/Stardust.xml
+++ b/.idea/dictionaries/Stardust.xml
@@ -6,6 +6,7 @@
       <w>loopers</w>
       <w>prefill</w>
       <w>scriptable</w>
+      <w>storages</w>
       <w>tasker</w>
       <w>uncheck</w>
     </words>
diff --git a/app/release/output.json b/app/release/output.json
index f1b1ec8d..788e9f63 100644
--- a/app/release/output.json
+++ b/app/release/output.json
@@ -1 +1 @@
-[{"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
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":1},"path":"inrt-release.apk","properties":{"packageId":"com.stardust.auojs.inrt","split":"","minSdkVersion":"17"}}]
\ No newline at end of file
diff --git a/app/src/main/assets/sample/本地存储/保存数组和复杂对象.js b/app/src/main/assets/sample/本地存储/保存数组和复杂对象.js
new file mode 100644
index 00000000..eef7e398
--- /dev/null
+++ b/app/src/main/assets/sample/本地存储/保存数组和复杂对象.js
@@ -0,0 +1,14 @@
+var storage = storages.create("Auto.js例子:复杂数据");
+var arr = [1, 4, 2, 5];
+var obj = {
+    name: "Auto.js",
+    url: "www.autojs.org"
+};
+//保存
+storage.put("arr", arr);
+storage.put("obj", obj);
+
+console.show();
+//取出
+log("arr = ", storage.get("arr"));
+log("obj = ", storage.get("obj"));
diff --git a/app/src/main/assets/sample/本地存储/保存整数等简单数据.js b/app/src/main/assets/sample/本地存储/保存整数等简单数据.js
new file mode 100644
index 00000000..803601d1
--- /dev/null
+++ b/app/src/main/assets/sample/本地存储/保存整数等简单数据.js
@@ -0,0 +1,14 @@
+var storage = storages.create("Auto.js例子:简单数据");
+var a = 1234;
+var b = true;
+var str = "hello";
+//保存
+storage.put("a", a);
+storage.put("b", b);
+storage.put("str", str);
+
+console.show();
+//取出
+log("a = " + storage.get("a"));
+log("b = " + storage.get("b"));
+log("str = " + storage.get("str"));
\ No newline at end of file
diff --git a/app/src/main/assets/sample/本地存储/随手记.js b/app/src/main/assets/sample/本地存储/随手记.js
new file mode 100644
index 00000000..f1a8e4d2
--- /dev/null
+++ b/app/src/main/assets/sample/本地存储/随手记.js
@@ -0,0 +1,21 @@
+"ui";
+ui.layout(
+    <vertical padding="16">
+        <horizontal>
+            <text textColor="black" textSize="18sp" layout_weight="1">随手记</text>
+            <button id="save" text="保存" w="auto" style="Widget.AppCompat.Button.Borderless.Colored"/>
+        </horizontal>
+        <input id="content" h="*" gravity="top"/>
+    </vertical>
+);
+var storage = storages.create("Auto.js例子:随手记");
+var content = storage.get("content");
+if(content != null){
+    ui.content.setText(content);
+}
+ui.save.click(()=>{
+    storage.put("content", ui.content.getText());
+});
+
+
+
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorView.java b/app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorView.java
index a10e92e8..de2ad7cb 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorView.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/edit/EditorView.java
@@ -27,6 +27,7 @@ import com.stardust.scriptdroid.ui.edit.completion.CodeCompletions;
 import com.stardust.scriptdroid.ui.edit.completion.CodeCompletionBar;
 import com.stardust.scriptdroid.ui.edit.completion.InputMethodEnhancedBarColors;
 import com.stardust.scriptdroid.ui.edit.completion.Symbols;
+import com.stardust.scriptdroid.ui.log.LogActivity_;
 import com.stardust.scriptdroid.ui.widget.EWebView;
 import com.stardust.scriptdroid.ui.widget.ToolbarMenuItem;
 import com.stardust.widget.ViewSwitcher;
@@ -106,7 +107,7 @@ public class EditorView extends FrameLayout implements CodeCompletionBar.OnHintC
                     mEditor.jumpTo(line - 1, col);
                 }
                 if (msg != null) {
-                    Snackbar.make(EditorView.this, getResources().getString(R.string.text_error) + ": " + msg, Snackbar.LENGTH_LONG).show();
+                    showErrorMessage(msg);
                 }
             }
         }
@@ -151,7 +152,7 @@ public class EditorView extends FrameLayout implements CodeCompletionBar.OnHintC
         if (!intent.getBooleanExtra(EXTRA_RUN_ENABLED, true)) {
             findViewById(R.id.run).setVisibility(GONE);
         }
-        if(mReadOnly){
+        if (mReadOnly) {
             mEditor.setReadOnly(true);
         }
 
@@ -357,6 +358,13 @@ public class EditorView extends FrameLayout implements CodeCompletionBar.OnHintC
         mEditor.replaceAll(keywords, replacement, usingRegex);
     }
 
+
+    private void showErrorMessage(String msg) {
+        Snackbar.make(EditorView.this, getResources().getString(R.string.text_error) + ": " + msg, Snackbar.LENGTH_LONG)
+                .setAction(R.string.text_detail, v -> LogActivity_.intent(getContext()).start())
+                .show();
+    }
+
     @Override
     public void onHintClick(CodeCompletions completions, int pos) {
         if (completions.shouldBeInserted()) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3625b343..7e524812 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -332,4 +332,5 @@
     <string name="text_weekly_task_should_check_day_of_week">至少选择一周中的一天</string>
     <string name="no_apk_builder_plugin">没有安装打包插件，是否立即下载？</string>
     <string name="text_apk_builder_plugin_unavailable">打包插件不可用</string>
+    <string name="text_detail">详情</string>
 </resources>
diff --git a/autojs/src/main/assets/javascript_engine_init.js b/autojs/src/main/assets/init.js
similarity index 98%
rename from autojs/src/main/assets/javascript_engine_init.js
rename to autojs/src/main/assets/init.js
index 67839872..c389de82 100644
--- a/autojs/src/main/assets/javascript_engine_init.js
+++ b/autojs/src/main/assets/init.js
@@ -65,7 +65,7 @@ require("__general__")(__runtime__, this);
 
 (function(scope){
     var modules = ['app', 'automator', 'console', 'dialogs', 'io', 'selector', 'shell', 'web', 'ui',
-        "images", "timers", "events", "engines", "RootAutomator", "http"];
+        "images", "timers", "events", "engines", "RootAutomator", "http", "storages"];
     var len = modules.length;
     for(var i = 0; i < len; i++) {
         var m = modules[i];
diff --git a/autojs/src/main/assets/modules/__json2__.js b/autojs/src/main/assets/modules/__json2__.js
index b3105e33..31867373 100644
--- a/autojs/src/main/assets/modules/__json2__.js
+++ b/autojs/src/main/assets/modules/__json2__.js
@@ -230,7 +230,7 @@ JSON = {};
         var partial;
         var value = holder[key];
 
-        if(value.getClass){
+        if(value && value.getClass){
             return gson.toJson(value);
         }
 
diff --git a/autojs/src/main/assets/modules/__storages__.js b/autojs/src/main/assets/modules/__storages__.js
new file mode 100644
index 00000000..b0e70719
--- /dev/null
+++ b/autojs/src/main/assets/modules/__storages__.js
@@ -0,0 +1,40 @@
+
+module.exports = function(__runtime__, scope){
+    var storages = {};
+    storages.create = function(name){
+        return new LocalStorage(name);
+    }
+
+    storages.remove = function(name){
+        this.create(name).clear();
+    }
+
+    return storages;
+
+    function LocalStorage(name){
+        this._storage = new com.stardust.autojs.core.storage.LocalStorage(context, name);
+        this.put = function(key, value){
+            if(typeof(value) == 'undefined'){
+                throw new TypeError('value cannot be undefined');
+            }
+            this._storage.put(key, JSON.stringify(value));
+        }
+        this.get = function(key, defaultValue){
+            var value = this._storage.getString(key, null);
+            if(!value){
+                return defaultValue;
+            }
+            return JSON.parse(value);
+        }
+        this.remove = function(key){
+            this._storage.remove(key);
+        }
+        this.contains = function(key){
+            return this._storage.contains(key);
+        }
+        this.clear = function(key){
+            this._storage.clear();
+        }
+    }
+}
+
diff --git a/autojs/src/main/java/com/stardust/autojs/core/storage/LocalStorage.java b/autojs/src/main/java/com/stardust/autojs/core/storage/LocalStorage.java
new file mode 100644
index 00000000..b12b6632
--- /dev/null
+++ b/autojs/src/main/java/com/stardust/autojs/core/storage/LocalStorage.java
@@ -0,0 +1,75 @@
+package com.stardust.autojs.core.storage;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+/**
+ * Created by Stardust on 2017/12/3.
+ */
+
+public class LocalStorage {
+
+    private static final String NAME_PREFIX = "autojs.localstorage.";
+    private SharedPreferences mSharedPreferences;
+
+    public LocalStorage(Context context, String name) {
+        mSharedPreferences = context.getSharedPreferences(NAME_PREFIX + name, Context.MODE_PRIVATE);
+    }
+
+    public LocalStorage put(String key, String value) {
+        mSharedPreferences.edit()
+                .putString(key, value)
+                .apply();
+        return this;
+    }
+
+    public LocalStorage put(String key, long value) {
+        mSharedPreferences.edit()
+                .putLong(key, value)
+                .apply();
+        return this;
+    }
+
+    public LocalStorage put(String key, boolean value) {
+        mSharedPreferences.edit()
+                .putBoolean(key, value)
+                .apply();
+        return this;
+    }
+
+    public long getNumber(String key, long defaultValue) {
+        return mSharedPreferences.getLong(key, defaultValue);
+    }
+
+    public boolean getBoolean(String key, boolean defaultValue) {
+        return mSharedPreferences.getBoolean(key, defaultValue);
+    }
+
+    public String getString(String key, String defaultValue) {
+        return mSharedPreferences.getString(key, defaultValue);
+    }
+
+    public long getNumber(String key) {
+        return getNumber(key, 0);
+    }
+
+    public boolean getBoolean(String key) {
+        return getBoolean(key, false);
+    }
+
+    public String getString(String key) {
+        return getString(key, null);
+    }
+
+    public void remove(String key) {
+        mSharedPreferences.edit().remove(key).apply();
+    }
+
+    public boolean contains(String key) {
+        return mSharedPreferences.contains(key);
+    }
+
+    public void clear() {
+        mSharedPreferences.edit().clear().apply();
+    }
+}
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 2b3853fe..7f3224eb 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
@@ -110,7 +110,7 @@ public class RhinoJavaScriptEngine extends JavaScriptEngine {
 
     private String readInitScript() {
         try {
-            return PFiles.read(mAndroidContext.getAssets().open("javascript_engine_init.js"));
+            return PFiles.read(mAndroidContext.getAssets().open("init.js"));
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
@@ -164,8 +164,8 @@ public class RhinoJavaScriptEngine extends JavaScriptEngine {
     private class WrapFactory extends org.mozilla.javascript.WrapFactory {
         @Override
         public Object wrap(Context cx, Scriptable scope, Object obj, Class<?> staticType) {
-            if (staticType == String.class) {
-                return getRuntime().bridges.toString(obj);
+            if (obj instanceof CharSequence) {
+                return getRuntime().bridges.toString(obj.toString());
             }
             if (staticType == UiObjectCollection.class) {
                 return getRuntime().bridges.toArray(obj);
diff --git a/inrt/src/main/assets/script.js b/inrt/src/main/assets/script.js
index aa35a213..31de3b3d 100644
--- a/inrt/src/main/assets/script.js
+++ b/inrt/src/main/assets/script.js
@@ -1,7 +1 @@
-auto();
-console.log("Hello, Auto.js");
-toast("Hello");
-launch("com.tencent.mm");
-sleep(500);
-while(!click("发现"));
-while(!click("扫一扫"));
\ No newline at end of file
+toast(files.read("/sdcard/1.txt"));
\ No newline at end of file
diff --git a/inrt/src/main/java/com/stardust/auojs/inrt/MainActivity.java b/inrt/src/main/java/com/stardust/auojs/inrt/MainActivity.java
index f75bb490..d785df6e 100644
--- a/inrt/src/main/java/com/stardust/auojs/inrt/MainActivity.java
+++ b/inrt/src/main/java/com/stardust/auojs/inrt/MainActivity.java
@@ -2,6 +2,7 @@ package com.stardust.auojs.inrt;
 
 import android.Manifest;
 import android.os.Build;
+import android.support.annotation.NonNull;
 import android.support.annotation.RequiresApi;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
@@ -29,8 +30,7 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setupView();
-        checkPermission(Manifest.permission.READ_EXTERNAL_STORAGE);
-        runScript();
+        checkPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
     }
 
     private void setupView() {
@@ -41,31 +41,33 @@ public class MainActivity extends AppCompatActivity {
 
 
     private void runScript() {
-        new Thread(new Runnable() {
-            @Override
-            public void run() {
-                try {
-                    String js = PFiles.read(getAssets().open("script.js"));
-                    StringScriptSource source = new StringScriptSource("main", js);
-                    AutoJs.getInstance().getScriptEngineService().execute(source);
-                } catch (Exception e) {
-                    AutoJs.getInstance().getGlobalConsole().log(e);
-                }
+        new Thread(() -> {
+            try {
+                String js = PFiles.read(getAssets().open("script.js"));
+                StringScriptSource source = new StringScriptSource("main", js);
+                AutoJs.getInstance().getScriptEngineService().execute(source);
+            } catch (Exception e) {
+                AutoJs.getInstance().getGlobalConsole().log(e);
             }
         }).start();
     }
 
+    @Override
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        runScript();
+    }
+
     protected void checkPermission(String... permissions) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             String[] requestPermissions = getRequestPermissions(permissions);
             if (requestPermissions.length > 0) {
                 requestPermissions(requestPermissions, PERMISSION_REQUEST_CODE);
+                return;
             }
-        } else {
-            int[] grantResults = new int[permissions.length];
-            Arrays.fill(grantResults, PERMISSION_GRANTED);
-            onRequestPermissionsResult(PERMISSION_REQUEST_CODE, permissions, grantResults);
         }
+        int[] grantResults = new int[permissions.length];
+        Arrays.fill(grantResults, PERMISSION_GRANTED);
+        onRequestPermissionsResult(PERMISSION_REQUEST_CODE, permissions, grantResults);
     }