diff --git a/app/build.gradle b/app/build.gradle
index 03fd07a..f55d28c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,7 +5,7 @@ apply plugin: 'com.android.application'
 android {
     compileSdkVersion PROP_COMPILE_SDK_VERSION.toInteger()
     buildToolsVersion PROP_BUILD_TOOLS_VERSION
-    ndkVersion "21.4.7075529"
+    ndkVersion "21.3.6528147"
 
     defaultConfig {
         applicationId "com.cege.games.release"
@@ -108,13 +108,13 @@ android.applicationVariants.all { variant ->
             from "${sourceDir}/cert/cacert.pem"
             into outputDir
         }
-        def sourceDirUnity = rootProject.ext.cfgs.unityAndroidProject + "/src/main/assets/"
-
-        copy {
-            from "${sourceDirUnity}"
-            include "**"
-            into outputDir
-        }
+//        def sourceDirUnity = rootProject.ext.cfgs.unityAndroidProject + "/src/main/assets/"
+//
+//        copy {
+//            from "${sourceDirUnity}"
+//            include "**"
+//            into outputDir
+//        }
     }
 }
 
@@ -123,6 +123,8 @@ dependencies {
 
     implementation fileTree(dir: '../libs', include: ['*.jar','*.aar'])
     implementation fileTree(dir: 'libs', include: ['*.jar','*.aar'])
+    implementation project(':unityLibrary')
+    implementation fileTree(dir: project(':unityLibrary').getProjectDir().toString() + ('\\libs'), include: ['*.jar'])
     implementation fileTree(dir: rootProject.ext.cfgs.cocos2dxBasePath + "/cocos/platform/android/java/libs", include: ['*.jar'])
     implementation project(':libcocos2dx')
 
diff --git a/app/src/com/cege/games/release/MainActivity.java b/app/src/com/cege/games/release/MainActivity.java
index d1f1f1a..b199050 100644
--- a/app/src/com/cege/games/release/MainActivity.java
+++ b/app/src/com/cege/games/release/MainActivity.java
@@ -38,7 +38,7 @@ import com.jc.jcfw.util.FileUtils;
 import com.king.zxing.CameraScan;
 import com.king.zxing.util.CodeUtils;
 import com.king.zxing.util.LogUtils;
-import com.unity3d.player.UnityPlayer;
+import com.unity3d.player.UnityPlayerActivity;
 
 import net.openid.appauth.AppAuthConfiguration;
 import net.openid.appauth.AuthState;
@@ -78,13 +78,12 @@ import pub.devrel.easypermissions.EasyPermissions;
 
 import static com.cege.games.release.dialog.QRCodeActivity.RC_SAVE_QR;
 
-
-public class MainActivity extends Activity
+public class MainActivity extends UnityPlayerActivity
     implements Cocos2dxHelper.Cocos2dxHelperListener, EasyPermissions.PermissionCallbacks {
   private static final String TAG = MainActivity.class.getSimpleName();
 
   public static MainActivity app;
-  protected UnityPlayer mUnityPlayer;
+//  protected UnityPlayer mUnityPlayer;
   private Toast toast;
 
   public static final String KEY_TITLE = "key_title";
@@ -144,9 +143,9 @@ public class MainActivity extends Activity
     String cmdLine = updateUnityCommandLineArguments(getIntent().getStringExtra("unity"));
     getIntent().putExtra("unity", cmdLine);
 
-    mUnityPlayer = new UnityPlayer(this);
-    setContentView(mUnityPlayer);
-    mUnityPlayer.requestFocus();
+//    mUnityPlayer = new UnityPlayer(this);
+//    setContentView(mUnityPlayer);
+//    mUnityPlayer.requestFocus();
     
     onLoadNativeLibraries();
     app = this;
@@ -235,7 +234,7 @@ public class MainActivity extends Activity
   @Override
   protected void onStart() {
     super.onStart();
-    mUnityPlayer.start();
+//    mUnityPlayer.start();
 
     if (mExecutor.isShutdown()) {
       mExecutor = Executors.newSingleThreadExecutor();
@@ -246,7 +245,7 @@ public class MainActivity extends Activity
   @Override
   protected void onResume() {
     super.onResume();
-    mUnityPlayer.resume();
+//    mUnityPlayer.resume();
   }
 
   // begin for unity
@@ -263,19 +262,19 @@ public class MainActivity extends Activity
   @Override
   protected void onPause() {
     super.onPause();
-    mUnityPlayer.pause();
+//    mUnityPlayer.pause();
   }
 
   @Override
   protected void onStop() {
     super.onStop();
-    mUnityPlayer.stop();
+//    mUnityPlayer.stop();
   }
 
   // Quit Unity
   @Override
   protected void onDestroy() {
-    mUnityPlayer.destroy();
+//    mUnityPlayer.destroy();
     super.onDestroy();
   }
 
@@ -283,14 +282,14 @@ public class MainActivity extends Activity
   @Override
   public void onConfigurationChanged(Configuration newConfig) {
     super.onConfigurationChanged(newConfig);
-    mUnityPlayer.configurationChanged(newConfig);
+//    mUnityPlayer.configurationChanged(newConfig);
   }
 
   // Low Memory Unity
   @Override
   public void onLowMemory() {
     super.onLowMemory();
-    mUnityPlayer.lowMemory();
+//    mUnityPlayer.lowMemory();
   }
 
   // Trim Memory Unity
@@ -298,44 +297,44 @@ public class MainActivity extends Activity
   public void onTrimMemory(int level) {
     super.onTrimMemory(level);
     if (level == TRIM_MEMORY_RUNNING_CRITICAL) {
-      mUnityPlayer.lowMemory();
+//      mUnityPlayer.lowMemory();
     }
   }
 
-  @Override
-  public boolean onKeyDown(int keyCode, KeyEvent event) {
-    return mUnityPlayer.injectEvent(event);
-  }
+//  @Override
+//  public boolean onKeyDown(int keyCode, KeyEvent event) {
+//    return mUnityPlayer.injectEvent(event);
+//  }
 
   // Pass any events not handled by (unfocused) views straight to UnityPlayer
-  @Override
-  public boolean onKeyUp(int keyCode, KeyEvent event) {
-    return mUnityPlayer.injectEvent(event);
-  }
+//  @Override
+//  public boolean onKeyUp(int keyCode, KeyEvent event) {
+//    return mUnityPlayer.injectEvent(event);
+//  }
 
-  @Override
-  public boolean onTouchEvent(MotionEvent event) {
-    return mUnityPlayer.injectEvent(event);
-  }
+//  @Override
+//  public boolean onTouchEvent(MotionEvent event) {
+//    return mUnityPlayer.injectEvent(event);
+//  }
 
   /*API12*/
-  public boolean onGenericMotionEvent(MotionEvent event) {
-    return mUnityPlayer.injectEvent(event);
-  }
+//  public boolean onGenericMotionEvent(MotionEvent event) {
+//    return mUnityPlayer.injectEvent(event);
+//  }
 
   // Notify Unity of the focus change.
   @Override
   public void onWindowFocusChanged(boolean hasFocus) {
     super.onWindowFocusChanged(hasFocus);
-    mUnityPlayer.windowFocusChanged(hasFocus);
+//    mUnityPlayer.windowFocusChanged(hasFocus);
   }
 
   // For some reason the multiple keyevent type is not supported by the ndk.
   // Force event injection by overriding dispatchKeyEvent().
   @Override
   public boolean dispatchKeyEvent(KeyEvent event) {
-    if (event.getAction() == KeyEvent.ACTION_MULTIPLE)
-      return mUnityPlayer.injectEvent(event);
+//    if (event.getAction() == KeyEvent.ACTION_MULTIPLE)
+//      return mUnityPlayer.injectEvent(event);
     return super.dispatchKeyEvent(event);
   }
 
diff --git a/build.gradle b/build.gradle
index 8c92f82..4386d01 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,8 +19,11 @@ allprojects {
         google()
         jcenter()
         maven { url "https://artifact.bytedance.com/repository/AwemeOpenSDK" }
+//        flatDir {
+//            dirs "libs"
+//        }
         flatDir {
-            dirs 'libs'
+            dirs "${project(':unityLibrary').projectDir}/libs","libs"
         }
     }
 }
diff --git a/libs/unity-classes.jar b/libs/unity-classes.jar
deleted file mode 100644
index 78abc40..0000000
Binary files a/libs/unity-classes.jar and /dev/null differ
diff --git a/settings.gradle b/settings.gradle
index 8ca853b..c268c4f 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -3,3 +3,6 @@ include ':app'
 rootProject.name = "HeadlessCocos"
 include ':libcocos2dx'
 project(':libcocos2dx').projectDir = new File(ext.cfgs.cocos2dxBasePath + '/cocos/platform/android/libcocos2dx')
+
+include ':unityLibrary'
+project(':unityLibrary').projectDir = new File(ext.cfgs.unityAndroidProject + '/unityLibrary')
\ No newline at end of file