diff --git a/app/src/main/java/com/stardust/scriptdroid/App.java b/app/src/main/java/com/stardust/scriptdroid/App.java
index 363ad426..5e44b536 100644
--- a/app/src/main/java/com/stardust/scriptdroid/App.java
+++ b/app/src/main/java/com/stardust/scriptdroid/App.java
@@ -83,10 +83,6 @@ public class App extends MultiDexApplication {
     }
 
 
-    public static String getResString(int id) {
-        return getApp().getString(id);
-    }
-
     public VolumeChangeObserver getVolumeChangeObserver() {
         return mVolumeChangeObserver;
     }
diff --git a/app/src/main/java/com/stardust/scriptdroid/external/floatingwindow/menu/content/RecordNavigatorContent.java b/app/src/main/java/com/stardust/scriptdroid/external/floatingwindow/menu/content/RecordNavigatorContent.java
index 60fc5e3a..3a12d667 100644
--- a/app/src/main/java/com/stardust/scriptdroid/external/floatingwindow/menu/content/RecordNavigatorContent.java
+++ b/app/src/main/java/com/stardust/scriptdroid/external/floatingwindow/menu/content/RecordNavigatorContent.java
@@ -51,15 +51,17 @@ public class RecordNavigatorContent implements NavigatorContent, Recorder.OnStat
     @BindView(R.id.text_start_or_pause)
     TextView mStartOrPauseRecordText;
 
-
     @BindView(R.id.stop_record)
     View mStopRecord;
 
+    @BindView(R.id.discard_record)
+    View mDiscardRecord;
+
+
     private Recorder mRecorder;
     private Context mContext;
-
+    private boolean mDiscard = false;
     private KeyObserver mKeyObserver;
-
     private VolumeChangeObserver.OnVolumeChangeListener mOnVolumeChangeListener = new VolumeChangeObserver.OnVolumeChangeListener() {
         @Override
         public void onVolumeChange() {
@@ -123,6 +125,12 @@ public class RecordNavigatorContent implements NavigatorContent, Recorder.OnStat
         }
     }
 
+    @OnClick(R.id.discard_record)
+    void discardRecord() {
+        mDiscard = true;
+        stopRecord();
+    }
+
     private void resumeRecord() {
         mRecorder.resume();
         setState(Recorder.STATE_RECORDING);
@@ -135,6 +143,7 @@ public class RecordNavigatorContent implements NavigatorContent, Recorder.OnStat
     }
 
     private void startRecord() {
+        mDiscard = false;
         mRecorder = mRecordedByRootSwitch.isChecked() ? new TouchRecorder(mContext) : AutoJs.getInstance().getAccessibilityActionRecorder();
         mRecorder.setOnStateChangedListener(this);
         mRecorder.start();
@@ -191,7 +200,9 @@ public class RecordNavigatorContent implements NavigatorContent, Recorder.OnStat
 
     @Override
     public void onStop() {
-        MainActivity.onRecordStop(mContext, mRecorder.getCode());
+        if (!mDiscard) {
+            MainActivity.onRecordStop(mContext, mRecorder.getCode());
+        }
         mRecorder = null;
     }
 
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
index 3973202c..d048689d 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/MainActivity.java
@@ -40,6 +40,7 @@ import com.stardust.scriptdroid.script.ScriptFile;
 import com.stardust.scriptdroid.script.StorageScriptProvider;
 import com.stardust.scriptdroid.script.sample.Sample;
 import com.stardust.scriptdroid.ui.main.task.TaskManagerFragment_;
+import com.stardust.util.IntentExtras;
 import com.stardust.view.accessibility.AccessibilityService;
 import com.stardust.scriptdroid.tool.AccessibilityServiceTool;
 import com.stardust.scriptdroid.tool.DrawableSaver;
@@ -306,7 +307,10 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
             return;
         switch (action) {
             case ACTION_ON_ACTION_RECORD_STOPPED:
-                handleRecordedScript(intent.getStringExtra(ARGUMENT_SCRIPT));
+                IntentExtras extras = IntentExtras.fromIntent(intent);
+                String script = extras.get(ARGUMENT_SCRIPT);
+                extras.clear();
+                handleRecordedScript(script);
                 break;
             case ACTION_IMPORT_SCRIPT:
                 handleImportScriptFile(intent);
@@ -442,6 +446,7 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         StorageScriptProvider.getDefault().notifyStoragePermissionGranted();
     }
 
@@ -456,8 +461,10 @@ public class MainActivity extends BaseActivity implements OnActivityResultDelega
     public static void onRecordStop(Context context, String script) {
         Intent intent = new Intent(context, MainActivity_.class)
                 .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
-                .putExtra(EXTRA_ACTION, ACTION_ON_ACTION_RECORD_STOPPED)
-                .putExtra(ARGUMENT_SCRIPT, script);
+                .putExtra(EXTRA_ACTION, ACTION_ON_ACTION_RECORD_STOPPED);
+        IntentExtras.newExtras()
+                .put(ARGUMENT_SCRIPT, script)
+                .putInIntent(intent);
         context.startActivity(intent);
     }
 
diff --git a/app/src/main/res/drawable/discard.png b/app/src/main/res/drawable/discard.png
new file mode 100644
index 00000000..cdc318b0
Binary files /dev/null and b/app/src/main/res/drawable/discard.png differ
diff --git a/app/src/main/res/layout/floating_window_record.xml b/app/src/main/res/layout/floating_window_record.xml
index 957bcba4..8399258c 100644
--- a/app/src/main/res/layout/floating_window_record.xml
+++ b/app/src/main/res/layout/floating_window_record.xml
@@ -148,6 +148,37 @@
 
         </LinearLayout>
 
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:background="#c4c4c4"/>
+
+        <LinearLayout
+            android:id="@+id/discard_record"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:background="?android:attr/selectableItemBackground"
+            android:gravity="center_vertical"
+            android:paddingBottom="16dp"
+            android:paddingLeft="8dp"
+            android:paddingTop="16dp"
+            android:visibility="gone">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="30dp"
+                android:layout_marginRight="8dp"
+                android:src="@drawable/discard"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/text_stop_record"
+                android:textColor="@android:color/primary_text_dark"
+                android:textSize="16sp"/>
+
+        </LinearLayout>
+
         <View
             android:layout_width="match_parent"
             android:layout_height="1dp"
diff --git a/common/src/main/java/com/stardust/util/IntentExtras.java b/common/src/main/java/com/stardust/util/IntentExtras.java
new file mode 100644
index 00000000..19576c49
--- /dev/null
+++ b/common/src/main/java/com/stardust/util/IntentExtras.java
@@ -0,0 +1,69 @@
+package com.stardust.util;
+
+import android.content.Intent;
+import android.util.SparseArray;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by Stardust on 2017/7/11.
+ */
+
+public class IntentExtras implements Serializable {
+
+    private static int mMaxId = -1;
+    private static final String EXTRA_ID = "com.stardust.util.IntentExtras.id";
+    private static SparseArray<Map<String, Object>> extraStore = new SparseArray<>();
+
+
+    public static IntentExtras newExtras() {
+        return new IntentExtras();
+    }
+
+    public static IntentExtras fromIntent(Intent intent) {
+        int id = intent.getIntExtra(EXTRA_ID, -1);
+        if (id < 0) {
+            throw new IllegalArgumentException("");
+        }
+        return new IntentExtras(id);
+    }
+
+    private Map<String, Object> mMap;
+    private int mId;
+
+    private IntentExtras() {
+        mMap = new HashMap<>();
+        mMaxId++;
+        mId = mMaxId;
+        extraStore.put(mId, mMap);
+    }
+
+
+    private IntentExtras(int id) {
+        mMap = extraStore.get(id);
+        mMaxId = id;
+    }
+
+
+    @SuppressWarnings("unchecked")
+    public <T> T get(String key) {
+        return (T) mMap.get(key);
+    }
+
+    public IntentExtras put(String key, Object value) {
+        mMap.put(key, value);
+        return this;
+    }
+
+    public Intent putInIntent(Intent intent) {
+        intent.putExtra(EXTRA_ID, mMaxId);
+        return intent;
+    }
+
+    public void clear() {
+        extraStore.remove(mId);
+        mMap = null;
+    }
+}