diff --git a/.gitignore b/.gitignore
index 6e19ac2318fb0b8a83dce76237ad7a6f9f1ce2bb..7413caa71eba8e4be15797c83c8b95dfd6218a39 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,4 +29,5 @@ qpython/ol
 qpython/op
 qpysl4a
 qbaselib
-qftplib
\ No newline at end of file
+qftplib
+qpysdk\src\main\jni
\ No newline at end of file
diff --git a/qpysdk/src/main/java/org/qpython/qpysdk/QPyConstants.java b/qpysdk/src/main/java/org/qpython/qpysdk/QPyConstants.java
index f6cc077e711935db0f341fc4eb3a83b3a9786b48..cd9aae04d688775bcbc5722f76126488bfddddc2 100644
--- a/qpysdk/src/main/java/org/qpython/qpysdk/QPyConstants.java
+++ b/qpysdk/src/main/java/org/qpython/qpysdk/QPyConstants.java
@@ -40,6 +40,7 @@ public interface QPyConstants extends BASE_CONF {
 //    String ABSOLUTE_LOG = ABSOLUTE_PATH + "/log/last.log";
 
     String PYTHON_2 = "2.x";
+    String PyVer = "3.6";
 
     String QPYC3 = "https://dl.qpy.io/py3.json";
     String QPYC2COMPATIBLE = "https://dl.qpy.io/py2compatible.json";
diff --git a/qpysdk/src/main/java/org/qpython/qpysdk/QPySDK.java b/qpysdk/src/main/java/org/qpython/qpysdk/QPySDK.java
index 9d1973a619e8e5686566783d5cadff0dc35d2809..887fd9f01e0d656431a43608b9a482c0efbbba91 100644
--- a/qpysdk/src/main/java/org/qpython/qpysdk/QPySDK.java
+++ b/qpysdk/src/main/java/org/qpython/qpysdk/QPySDK.java
@@ -80,13 +80,13 @@ public class QPySDK {
 
         File f = new File(script);
 
-        if (Build.VERSION.SDK_INT >= 20) {
-            binaryPath = this.context.getFilesDir() + "/bin/python-android5";
-            ;
-        } else {
+        //if (Build.VERSION.SDK_INT >= 20) {
+        //    binaryPath = this.context.getFilesDir() + "/bin/python-android5";
+         //   ;
+        //} else {
             binaryPath = this.context.getFilesDir() + "/bin/python";
-            ;
-        }
+        //    ;
+       // }
 
 
         int[] pid = new int[1];
@@ -274,7 +274,7 @@ public class QPySDK {
             Log.d(TAG, "NO EXTRACT");
 
         }
-        if (resource.startsWith("private") || resource.startsWith("notebook")) {
+        if (resource.startsWith("private") || resource.startsWith("resource")) {
             chmodX();
         }
     }
diff --git a/qpython/build.gradle b/qpython/build.gradle
index db8e34a287108920f1174d6ceccefd2225785499..9993d7faa658edaa1670e1eb0ac7bb0e3bbc28c0 100644
--- a/qpython/build.gradle
+++ b/qpython/build.gradle
@@ -15,8 +15,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.ext.minSdkVersion
         targetSdkVersion rootProject.ext.targetSdkVersion
-        versionCode 313
-        versionName "3.1.8.4"
+        versionCode 314
+        versionName "3.1.9"
         multiDexEnabled true
         vectorDrawables.useSupportLibrary = true
 
diff --git a/qpython/src/main/assets/ipynb.mp3 b/qpython/src/main/assets/ipynb.mp3
deleted file mode 100644
index 82ab6e187b5a18519953be7eb5697ed35ed6476f..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/assets/ipynb.mp3 and /dev/null differ
diff --git a/qpython/src/main/assets/notebook3.mp3 b/qpython/src/main/assets/notebook3.mp3
deleted file mode 100644
index 5f1e2e9d1feea046a6c80ca73f0fefdbfff0f547..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/assets/notebook3.mp3 and /dev/null differ
diff --git a/qpython/src/main/assets/private1.mp3 b/qpython/src/main/assets/private1.mp3
index 04bcab832cec8736475805515240d3bae7fc2b93..7bf49d5577018080b74a46b9398b57390b92e92d 100644
Binary files a/qpython/src/main/assets/private1.mp3 and b/qpython/src/main/assets/private1.mp3 differ
diff --git a/qpython/src/main/assets/private32.mp3 b/qpython/src/main/assets/private32.mp3
deleted file mode 100644
index 295d74b99eaa220d60b1b5394fc046ce855e575b..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/assets/private32.mp3 and /dev/null differ
diff --git a/qpython/src/main/assets/private33.mp3 b/qpython/src/main/assets/private33.mp3
deleted file mode 100644
index d7104cbfc361289f8f8345b7ae73e30f6b4dc289..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/assets/private33.mp3 and /dev/null differ
diff --git a/qpython/src/main/assets/public3.mp3 b/qpython/src/main/assets/public3.mp3
deleted file mode 100644
index fd02b4b4fa68e3b1da14c31d12f80d79b953b8b0..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/assets/public3.mp3 and /dev/null differ
diff --git a/qpython/src/main/assets/private31.mp3 b/qpython/src/main/assets/resource3.mp3
similarity index 57%
rename from qpython/src/main/assets/private31.mp3
rename to qpython/src/main/assets/resource3.mp3
index 8602504aa6fbd985528b505f27b51ac648b2cb37..3c4a24c817c5df6421e07ce094ca9228c1c20cdb 100644
Binary files a/qpython/src/main/assets/private31.mp3 and b/qpython/src/main/assets/resource3.mp3 differ
diff --git a/qpython/src/main/java/org/qpython/qpy/console/ScriptExec.java b/qpython/src/main/java/org/qpython/qpy/console/ScriptExec.java
index 934ca11bafb8c5b4bd3c26401637bd63b5f9f9fe..da576f4bc5e93c9a5d85d5bf132e2e444a1efe0d 100644
--- a/qpython/src/main/java/org/qpython/qpy/console/ScriptExec.java
+++ b/qpython/src/main/java/org/qpython/qpy/console/ScriptExec.java
@@ -183,12 +183,12 @@ public class ScriptExec {
         }
 
         if (isQPy3) {
-            String pyVer = new File(context.getFilesDir()+"/lib/python37.zip").exists()?"3.7":"3.6";
+            String pyVer = QPyConstants.PyVer;
             env[5] = "PYTHONPATH="
                     +filesDir+"/lib/python"+pyVer+"/site-packages/:"
                     +filesDir+"/lib/python"+pyVer+"/:"
                     +filesDir+"/lib/python"+pyVer.replace(".","")+".zip:"
-                    +filesDir+"/lib/notebook.zip:"
+                    //+filesDir+"/lib/notebook.zip:"
                     +filesDir+"/lib/python"+pyVer+"/qpyutil.zip:"
                     +filesDir+"/lib/python"+pyVer+"/lib-dynload/:"
                     +externalStorage+"/lib/python"+pyVer+"/site-packages/:"
@@ -203,7 +203,7 @@ public class ScriptExec {
                     +filesDir+"/lib/python2.7/site-packages/:"
                     +filesDir+"/lib/python2.7/:"
                     +filesDir+"/lib/python27.zip:"
-                    +filesDir+"/lib/notebook.zip:"
+                    //+filesDir+"/lib/notebook.zip:"
                     +filesDir+"/lib/python2.7/qpyutil.zip:"
                     +filesDir+"/lib/python2.7/lib-dynload/:"
                     +externalStorage+"/lib/python2.7/site-packages/:"
@@ -248,12 +248,12 @@ public class ScriptExec {
         boolean isRootEnable = NAction.isRootEnable(context);
         if (Build.VERSION.SDK_INT >= 20) {
             if (bin) {
-                scmd = context.getFilesDir() + "/bin/python" + v + "-android5";
+                scmd = context.getFilesDir() + "/bin/python" + v ;//+ "-android5";
             } else {
                 if (isRootEnable) {
-                    scmd = context.getFilesDir() + "/bin/qpython" + v + "-android5-root.sh";
+                    scmd = context.getFilesDir() + "/bin/qpython" + v +"-root.sh";//+ "-android5-root.sh";
                 } else {
-                    scmd = context.getFilesDir() + "/bin/qpython" + v + "-android5.sh";
+                    scmd = context.getFilesDir() + "/bin/qpython" + v ;//+ "-android5.sh";
                 }
             }
         } else {
diff --git a/qpython/src/main/java/org/qpython/qpy/console/TermActivity.java b/qpython/src/main/java/org/qpython/qpy/console/TermActivity.java
index c91dbe212e25d0a67d7896a6316ae5d706330213..3270060c644b450e1b41b294631eee155bbc6db3 100644
--- a/qpython/src/main/java/org/qpython/qpy/console/TermActivity.java
+++ b/qpython/src/main/java/org/qpython/qpy/console/TermActivity.java
@@ -1202,20 +1202,20 @@ public class TermActivity extends AppCompatActivity implements UpdateCallback, S
     private String getScmd() {
         boolean isRootEnable = NAction.isRootEnable(this);
         String scmd;
-        if (Build.VERSION.SDK_INT >= 20) {
+        /*if (Build.VERSION.SDK_INT >= 20) {
             if (isRootEnable) {
                 scmd = getApplicationContext().getFilesDir() + "/bin/qpython" + (NAction.isQPy3(this) ? "3" : "") + "-android5-root.sh";
             } else {
                 scmd = getApplicationContext().getFilesDir() + "/bin/qpython" + (NAction.isQPy3(this) ? "3" : "") + "-android5.sh";
             }
-        } else {
+        } else {*/
             if (isRootEnable) {
                 scmd = getApplicationContext().getFilesDir() + "/bin/qpython" + (NAction.isQPy3(this) ? "3" : "") + "-root.sh";
             } else {
                 scmd = getApplicationContext().getFilesDir() + "/bin/qpython" + (NAction.isQPy3(this) ? "3" : "") + ".sh";
 
             }
-        }
+        //}
         return scmd;
     }
 
diff --git a/qpython/src/main/java/org/qpython/qpy/main/activity/HomeMainActivity.java b/qpython/src/main/java/org/qpython/qpy/main/activity/HomeMainActivity.java
index 8cc3edf7b8786487936bac9d401e341d78f28a9e..68cf19967c800ed6d9df3533d847044eb46edf63 100644
--- a/qpython/src/main/java/org/qpython/qpy/main/activity/HomeMainActivity.java
+++ b/qpython/src/main/java/org/qpython/qpy/main/activity/HomeMainActivity.java
@@ -31,6 +31,7 @@ import org.greenrobot.eventbus.Subscribe;
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.qpython.qpy.R;
+import org.qpython.qpy.console.ScriptExec;
 import org.qpython.qpy.console.TermActivity;
 import org.qpython.qpy.databinding.ActivityMainBinding;
 import org.qpython.qpy.main.app.App;
@@ -441,20 +442,22 @@ public class HomeMainActivity extends BaseActivity {
         new Thread(() -> {
             QPySDK qpysdk = new QPySDK(HomeMainActivity.this, HomeMainActivity.this);
             //这里会在切换qpy3的时候再次释放相关资源
-            qpysdk.extractRes(py3?"private31":"private1", HomeMainActivity.this.getFilesDir());
-            qpysdk.extractRes(py3?"private32":"private2", HomeMainActivity.this.getFilesDir());
-            qpysdk.extractRes(py3?"private33":"private3", HomeMainActivity.this.getFilesDir());
+            //qpysdk.extractRes(py3?"private33":"private3", HomeMainActivity.this.getFilesDir(),true);
+            File externalStorage = new File(FileUtils.getPath(App.getContext()), "qpython");
             if (py3) {
-                qpysdk.extractRes("notebook3", HomeMainActivity.this.getFilesDir());
+                qpysdk.extractRes("resource3", HomeMainActivity.this.getFilesDir(),true);
+                ScriptExec.getInstance().playScript(this,
+                        "setup", null,false);
+            } else {
+                qpysdk.extractRes("private1", HomeMainActivity.this.getFilesDir());
+                qpysdk.extractRes("private2", HomeMainActivity.this.getFilesDir());
+                qpysdk.extractRes("private3", HomeMainActivity.this.getFilesDir());
+                qpysdk.extractRes("public", new File(externalStorage + "/lib"));
             }
-            File externalStorage = new File(FileUtils.getPath(App.getContext()), "qpython");
             FileHelper.createDirIfNExists(externalStorage + "/cache");
             FileHelper.createDirIfNExists(externalStorage + "/log");
-            FileHelper.createDirIfNExists(externalStorage + "/notebooks");
-
-            qpysdk.extractRes(py3?"public3":"public", new File(externalStorage + "/lib"));
-
-            qpysdk.extractRes("ipynb", new File(externalStorage + "/notebooks"));
+            //FileHelper.createDirIfNExists(externalStorage + "/notebooks");
+            //qpysdk.extractRes("ipynb", new File(externalStorage + "/notebooks"));
 
             extractRes();
             clickListener.onClick(null);
@@ -471,17 +474,17 @@ public class HomeMainActivity extends BaseActivity {
             Resources resources = getResources();
             try {
                 String qpyPath = FileUtils.getQyPath(App.getContext());
-                Utils.createDirectoryOnExternalStorage(this,"qpython/project3/");
+                /*Utils.createDirectoryOnExternalStorage(this,"qpython/project3/");
                 Utils.unzip(resources.openRawResource(R.raw.projects3), qpyPath + "/qpython/project3/", false);
                 Utils.createDirectoryOnExternalStorage(this,"qpython/scripts3/");
-                Utils.unzip(resources.openRawResource(R.raw.scripts3), qpyPath + "/qpython/scripts3/", false);
+                Utils.unzip(resources.openRawResource(R.raw.scripts3), qpyPath + "/qpython/scripts3/", false);*/
                 Utils.createDirectoryOnExternalStorage(this,"qpython/projects/");
                 Utils.unzip(resources.openRawResource(R.raw.projects2), qpyPath + "/qpython/projects/", false);
                 Utils.createDirectoryOnExternalStorage(this,"qpython/scripts/");
                 Utils.unzip(resources.openRawResource(R.raw.scripts2), qpyPath + "/qpython/scripts/", false);
 
-                QPySDK qPySDK = new QPySDK(this, this);
-                qPySDK.extractRes("ipynb", new File(externalStorage + "/notebooks"));
+                //QPySDK qPySDK = new QPySDK(this, this);
+                //qPySDK.extractRes("ipynb", new File(externalStorage + "/notebooks"));
             } catch (Exception e) {
                 Log.e("HomeMainActivity", "Failed to copyResourcesToLocal", e);
             }
diff --git a/qpython/src/main/java/org/qpython/qpy/main/activity/QWebViewActivity.java b/qpython/src/main/java/org/qpython/qpy/main/activity/QWebViewActivity.java
index eb3aa03fa064ea80b3eb1f67188877f283779756..649b53203016a5eb53f14d0be17f102bd7b3be09 100644
--- a/qpython/src/main/java/org/qpython/qpy/main/activity/QWebViewActivity.java
+++ b/qpython/src/main/java/org/qpython/qpy/main/activity/QWebViewActivity.java
@@ -17,6 +17,8 @@ import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
 import android.webkit.JavascriptInterface;
 import android.webkit.ValueCallback;
 import android.webkit.WebBackForwardList;
@@ -161,12 +163,18 @@ public class QWebViewActivity extends BaseActivity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        binding = DataBindingUtil.setContentView(this, R.layout.activity_qwebview);
         receiver = new DownloadNotebookReceiver();
 
         Intent i = getIntent();
         String title = i.getStringExtra(TITLE);
         String type = i.getStringExtra(TYPE);
+
+        if (title != null && title.equals("")){
+            requestWindowFeature(Window.FEATURE_NO_TITLE);
+            getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        }
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_qwebview);
+
         if (launchScript == null || launchScript.isEmpty())
             launchScript = i.getStringExtra(LOG_PATH);
 
@@ -176,6 +184,9 @@ public class QWebViewActivity extends BaseActivity {
 
         if (title != null) {
             setTitle(title);
+            if (title.equals("")){
+                binding.lt.getRoot().setVisibility(View.GONE);
+            }
         } else {
             setTitle(R.string.app_name);
         }
diff --git a/qpython/src/main/java/org/qpython/qpy/main/activity/VideoActivity.java b/qpython/src/main/java/org/qpython/qpy/main/activity/VideoActivity.java
index f13b544128e0a0444c1e0bd50c35cd26f98e3093..c28af89e41358ab2acabaa71ac15aaee2177b3ad 100644
--- a/qpython/src/main/java/org/qpython/qpy/main/activity/VideoActivity.java
+++ b/qpython/src/main/java/org/qpython/qpy/main/activity/VideoActivity.java
@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.widget.MediaController;
+import android.widget.Toast;
 import android.widget.VideoView;
 
 import org.qpython.qpy.R;
@@ -17,10 +18,20 @@ public class VideoActivity extends Activity
 		Intent intent=getIntent();
 		String path=intent.getStringExtra("path");
         VideoView videoView=findViewById(R.id.videoView);
-		videoView.setVideoPath(path);
-        MediaController mediaController=new MediaController(this);
-		mediaController.setAnchorView(mediaController);
-		videoView.start();
-		videoView.setMediaController(mediaController);
+        videoView.setVideoPath(path);
+        MediaController mediaController = new MediaController(this){
+            boolean tip = true;
+            @Override
+            public void show(){
+                if(tip){
+                    Toast.makeText(VideoActivity.this, R.string.exit_after_close_progress, Toast.LENGTH_SHORT).show();
+                    tip=false;
+                }
+                super.show();
+            }
+        };
+        mediaController.setAnchorView(mediaController);
+        videoView.setMediaController(mediaController);
+        videoView.start();
     }
 }
diff --git a/qpython/src/main/java/org/qpython/qpy/main/fragment/SettingFragment.java b/qpython/src/main/java/org/qpython/qpy/main/fragment/SettingFragment.java
index cd2a3e603dfde86f2f5a26e7a9b80aedf6c132a4..6e36f3d7c9f0feb2278544ed6277b64c384bf518 100644
--- a/qpython/src/main/java/org/qpython/qpy/main/fragment/SettingFragment.java
+++ b/qpython/src/main/java/org/qpython/qpy/main/fragment/SettingFragment.java
@@ -39,6 +39,7 @@ import org.apache.http.Header;
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.qpython.qpy.R;
+import org.qpython.qpy.console.ScriptExec;
 import org.qpython.qpy.main.activity.AboutActivity;
 import org.qpython.qpy.main.activity.CourseActivity;
 import org.qpython.qpy.main.activity.HomeMainActivity;
@@ -681,23 +682,21 @@ public class SettingFragment extends PreferenceFragment {
         QPySDK qpysdk = new QPySDK(this.getActivity(), this.getActivity());
         Observable.create((Observable.OnSubscribe<Boolean>) subscriber -> {
             try {
-                releaseQPycRes(NStorage.getSP(App.getContext(), QPyConstants.KEY_PY3_RES));
+                //releaseQPycRes(NStorage.getSP(App.getContext(), QPyConstants.KEY_PY3_RES));
                 //extractQPyCore(false);
-
-                qpysdk.extractRes("private31", getActivity().getFilesDir(), true);
-                qpysdk.extractRes("private32", getActivity().getFilesDir(), true);
-                qpysdk.extractRes("private33", getActivity().getFilesDir(), true);
-                qpysdk.extractRes("notebook3", getActivity().getFilesDir(), true);
-
-                File externalStorage = new File(FileUtils.getPath(App.getContext()), "qpython");
-
-                qpysdk.extractRes("publi3c", new File(externalStorage + "/lib"));
-
+                //qpysdk.extractRes("private31", getActivity().getFilesDir(), true);
+                //qpysdk.extractRes("private32", getActivity().getFilesDir(), true);
+                qpysdk.extractRes("resource3", getActivity().getFilesDir(), true);
+                //qpysdk.extractRes("notebook3", getActivity().getFilesDir(), true);
+                //File externalStorage = new File(FileUtils.getPath(App.getContext()), "qpython");
+                //qpysdk.extractRes("public3", new File(externalStorage + "/lib"));
                 subscriber.onNext(true);
+                ScriptExec.getInstance().playScript(getActivity(),
+                        "setup", null,false);
                 subscriber.onCompleted();
             } catch (Exception e) {
-                e.printStackTrace();
-                subscriber.onError(new Throwable("Failed to release Py3 resources"));
+                //e.printStackTrace();
+                subscriber.onError(new Throwable("Failed to release Py3 resources . "+e));
             }
         })
                 .subscribeOn(Schedulers.io())
@@ -713,7 +712,7 @@ public class SettingFragment extends PreferenceFragment {
 
                     @Override
                     public void onError(Throwable e) {
-                        Toast.makeText(getActivity(), "Faild to extract Py3 resource", Toast.LENGTH_SHORT).show();
+                        Toast.makeText(getActivity(), "Faild to extract Py3 resource . "+e.toString(), Toast.LENGTH_SHORT).show();
                     }
 
                     @Override
diff --git a/qpython/src/main/java/org/qpython/qpy/utils/NotebookUtil.java b/qpython/src/main/java/org/qpython/qpy/utils/NotebookUtil.java
index 97c74fa9aba594f68b54ca80149f311347ade9de..c8e027b2208d2d8f032e2b0633476712c2ca5bb2 100644
--- a/qpython/src/main/java/org/qpython/qpy/utils/NotebookUtil.java
+++ b/qpython/src/main/java/org/qpython/qpy/utils/NotebookUtil.java
@@ -63,7 +63,8 @@ public class NotebookUtil {
      * 检查notebook库是否安装
      */
     public static boolean isNotebookLibInstall(Context context) {
-        boolean common = new File(context.getFilesDir().getAbsolutePath() + "/lib/notebook.zip").exists();
+        boolean common = new File(context.getFilesDir().getAbsolutePath(),"lib/python"+QPyConstants.PyVer+"/site-packages/notebook").exists();
+        //boolean common = new File(context.getFilesDir().getAbsolutePath() + "/lib/notebook.zip").exists();
         if (NAction.isQPy3(context)) {
             return common & new File(context.getFilesDir().getAbsoluteFile()+"/bin/jupyter").exists();
         } else {
diff --git a/qpython/src/main/res/raw/projects3.zip b/qpython/src/main/res/raw/projects3.zip
deleted file mode 100644
index 862aacb15a88b8b7b0c9fd6b4eed922b01eeb452..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/res/raw/projects3.zip and /dev/null differ
diff --git a/qpython/src/main/res/raw/scripts3.zip b/qpython/src/main/res/raw/scripts3.zip
deleted file mode 100644
index 5c454290177104bd01defff518b48475c5893875..0000000000000000000000000000000000000000
Binary files a/qpython/src/main/res/raw/scripts3.zip and /dev/null differ
diff --git a/qpython/src/main/res/values-zh-rCN/strings.xml b/qpython/src/main/res/values-zh-rCN/strings.xml
index ea8ed7b47333232300bcc8e83de1b051cd903577..7ff2e653ec5f1587e0f2d8a7882f22f5133d1fde 100644
--- a/qpython/src/main/res/values-zh-rCN/strings.xml
+++ b/qpython/src/main/res/values-zh-rCN/strings.xml
@@ -488,5 +488,7 @@
     <string name="user_agreement_bottom_split3">和</string>
     <string name="user_agreement_bottom_split4">《隐私政策》</string>
     <string name="welcome_qpython">欢迎使用QPython</string>
+    <string name="download_progress_need_sometime">这需要些时间，请检查通知栏进度条</string>
+    <string name="exit_after_close_progress">关闭进度条后，方可按返回键退出</string>
 
 </resources>
diff --git a/qpython/src/main/res/values/arrays.xml b/qpython/src/main/res/values/arrays.xml
index c24b108a3f982b4a13a0840eed194ea5eab9dde4..152e6e1b11c50d68d62f6c9f2cf6997cea864127 100644
--- a/qpython/src/main/res/values/arrays.xml
+++ b/qpython/src/main/res/values/arrays.xml
@@ -261,9 +261,7 @@
 
 
     <string-array name="qpy3_zip" translatable="false">
-        <item>private31.mp3</item>
-        <item>private32.mp3</item>
-        <item>private33.mp3</item>
+        <item>resource3.mp3</item>
     </string-array>
 
     <string-array name="funding_count_divider" translatable="false">
diff --git a/qpython/src/main/res/values/strings.xml b/qpython/src/main/res/values/strings.xml
index d0305a7d5af3959f83d686ed4559088337281b2b..dbd97d8a70dfb32c679d7f98e2cdaf976bbf16d8 100644
--- a/qpython/src/main/res/values/strings.xml
+++ b/qpython/src/main/res/values/strings.xml
@@ -2,14 +2,8 @@
     <string name="private1_version" translatable="false">1347438995.05</string>
     <string name="private2_version" translatable="false">1347438995.05</string>
     <string name="private3_version" translatable="false">1347438995.05</string>
-    <string name="private31_version" translatable="false">1347438791.05</string>
-    <string name="private32_version" translatable="false">1347438791.05</string>
-    <string name="private33_version" translatable="false">1347438791.05</string>
+    <string name="resource3_version" translatable="false">1651452654</string>
     <string name="public_version" translatable="false">12500</string>
-    <string name="public3_version" translatable="false">1347438610.05</string>
-    <string name="notebook3_version" translatable="false">20200206.1205</string>
-    <string name="ipynb_version" translatable="false">20200207.1205</string>
-
     <string name="thanks_link" translatable="false">https://www.qpython.org/contributors.html</string>
     <string name="lower_project" translatable="false">projects</string>
     <string name="lib_manager">QPYPI</string>
@@ -763,5 +757,6 @@
     <string name="shortcut_create_fail">"Please grant the creat shortcut permission. "</string>
     <string name="privacy_agreement">Privacy Policy</string>
     <string name="service_agreement">Service Agreement</string>
+    <string name="exit_after_close_progress">Press the back key to exit after close the progress bar</string>
 
 </resources>
diff --git a/qpython/src/main/res/xml/network_security_config.xml b/qpython/src/main/res/xml/network_security_config.xml
index 117f8bdf9062ded1158c9b54433cfcc7fd86f528..f18e1f040a2949792a9af353b99fa853b7e0431e 100644
--- a/qpython/src/main/res/xml/network_security_config.xml
+++ b/qpython/src/main/res/xml/network_security_config.xml
@@ -1,18 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
-    <domain-config cleartextTrafficPermitted="true">
-        <domain includeSubdomains="true">127.0.0.1</domain>
-        <domain includeSubdomains="true">localhost</domain>
-        <domain includeSubdomains="true">apu2.quseit.com</domain>
-        <domain includeSubdomains="true">qpy.io</domain>
-        <domain includeSubdomains="true">dl.qpy.io</domain>
-        <domain includeSubdomains="true">gist.qpy.io</domain>
-        <domain includeSubdomains="true">qpython.org</domain>
-        <domain includeSubdomains="true">gist.qpython.org</domain>
-        <domain includeSubdomains="true">edu.qpython.org</domain>
-        <domain includeSubdomains="true">www.qpython.org</domain>
-        <domain includeSubdomains="true">qpypi.qpython.org</domain>
-        <domain includeSubdomains="true">qpypi3.qpython.org</domain>
-
-    </domain-config>
+    <base-config cleartextTrafficPermitted="true">
+        <trust-anchors>
+            <certificates src="system" />
+        </trust-anchors>
+    </base-config>
 </network-security-config>
\ No newline at end of file
diff --git a/qpython/src/os/java/org/qpython/qpy/main/activity/SignInActivity.java b/qpython/src/os/java/org/qpython/qpy/main/activity/SignInActivity.java
index 7874ebf02a4d4a25c98ef1e715cf071aa0a2fe0e..56f785891c0914a3252bdea976da195c533c6226 100644
--- a/qpython/src/os/java/org/qpython/qpy/main/activity/SignInActivity.java
+++ b/qpython/src/os/java/org/qpython/qpy/main/activity/SignInActivity.java
@@ -12,7 +12,7 @@ import android.util.Log;
 import android.view.View;
 import android.widget.Toast;
 
-import com.google.android.gms.common.ConnectionResult;
+//import com.google.android.gms.common.ConnectionResult;
 
 import org.qpython.qpy.R;
 import org.qpython.qpy.databinding.ActivitySignInBinding;