diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index d97f75ee..a5a098c3 100644
Binary files a/.idea/caches/build_file_checksums.ser and b/.idea/caches/build_file_checksums.ser differ
diff --git a/app/src/main/java/org/autojs/autojs/ui/shortcut/ShortcutIconSelectActivity.java b/app/src/main/java/org/autojs/autojs/ui/shortcut/ShortcutIconSelectActivity.java
index cf7853e3..3df3e701 100644
--- a/app/src/main/java/org/autojs/autojs/ui/shortcut/ShortcutIconSelectActivity.java
+++ b/app/src/main/java/org/autojs/autojs/ui/shortcut/ShortcutIconSelectActivity.java
@@ -9,8 +9,6 @@ import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
-import androidx.recyclerview.widget.GridLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -18,18 +16,18 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 
-import org.autojs.autojs.R;
-import org.autojs.autojs.tool.BitmapTool;
-import org.autojs.autojs.ui.BaseActivity;
-
 import org.androidannotations.annotations.AfterViews;
 import org.androidannotations.annotations.EActivity;
 import org.androidannotations.annotations.ViewById;
+import org.autojs.autojs.R;
+import org.autojs.autojs.tool.BitmapTool;
+import org.autojs.autojs.ui.BaseActivity;
 import org.autojs.autojs.workground.WrapContentGridLayoutManger;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.recyclerview.widget.RecyclerView;
 import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.schedulers.Schedulers;
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.kt b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.kt
index d2d5f25c..d8bdde59 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.kt
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.kt
@@ -68,7 +68,7 @@ open class RhinoJavaScriptEngine(private val mAndroidContext: android.content.Co
         runtime.topLevelScope = mScriptable
     }
 
-    public override fun doExecution(source: JavaScriptSource): Any {
+    public override fun doExecution(source: JavaScriptSource): Any? {
         var reader = source.nonNullScriptReader
         try {
             reader = preprocess(reader)
diff --git a/inrt/src/main/assets/project/main.js b/inrt/src/main/assets/project/main.js
index bbb7dc69..b89ececf 100644
--- a/inrt/src/main/assets/project/main.js
+++ b/inrt/src/main/assets/project/main.js
@@ -1 +1 @@
-YÎ?ãÄüžMºz«±
\ No newline at end of file
+toast("Hello, Auto.js");
\ No newline at end of file
diff --git a/inrt/src/main/java/com/stardust/auojs/inrt/SettingsActivity.kt b/inrt/src/main/java/com/stardust/auojs/inrt/SettingsActivity.kt
index b2fffe43..02efc172 100644
--- a/inrt/src/main/java/com/stardust/auojs/inrt/SettingsActivity.kt
+++ b/inrt/src/main/java/com/stardust/auojs/inrt/SettingsActivity.kt
@@ -24,7 +24,7 @@ class SettingsActivity : AppCompatActivity() {
         val toolbar = findViewById<Toolbar>(R.id.toolbar)
         toolbar.setTitle(R.string.text_settings)
         setSupportActionBar(toolbar)
-        toolbar.setNavigationOnClickListener { v -> finish() }
+        toolbar.setNavigationOnClickListener { finish() }
         supportActionBar?.setDisplayHomeAsUpEnabled(true)
     }