diff --git a/app/src/main/java/com/xypower/frpandroid/ConfigActivity.java b/app/src/main/java/com/xypower/frpandroid/ConfigActivity.java
index 0ee1848..6b50efb 100644
--- a/app/src/main/java/com/xypower/frpandroid/ConfigActivity.java
+++ b/app/src/main/java/com/xypower/frpandroid/ConfigActivity.java
@@ -59,23 +59,21 @@ public class ConfigActivity extends AppCompatActivity {
         }
 
         if (fileInputStream != null) {
-            InputStream var4 = (InputStream)fileInputStream;
+            InputStream inputStream = (InputStream)fileInputStream;
             // Charset var5 = Charsets.UTF_8;
-            Reader reader = (Reader)(new InputStreamReader(var4, Charset.defaultCharset()));
-            short var7 = 8192;
-            BufferedReader mReader = reader instanceof BufferedReader ? (BufferedReader)reader : new BufferedReader(reader, var7);
+            Reader reader = (Reader)(new InputStreamReader(inputStream, Charset.defaultCharset()));
+            BufferedReader mReader = reader instanceof BufferedReader ? (BufferedReader)reader : new BufferedReader(reader, 8192);
             StringBuffer mRespBuff = new StringBuffer();
             char[] buff = new char[1024];
-            boolean var13 = false;
 
             while(true) {
-                int var14 = 0;
+                int bytesRead = 0;
                 try {
-                    var14 = mReader.read(buff);
+                    bytesRead = mReader.read(buff);
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
-                if (var14 == -1) {
+                if (bytesRead == -1) {
                     try {
                         mReader.close();
                     } catch (IOException e) {
@@ -84,7 +82,7 @@ public class ConfigActivity extends AppCompatActivity {
                     break;
                 }
 
-                mRespBuff.append(buff, 0, var14);
+                mRespBuff.append(buff, 0, bytesRead);
             }
         }
     }
@@ -110,10 +108,10 @@ public class ConfigActivity extends AppCompatActivity {
 
         try {
             // Intrinsics.checkNotNullExpressionValue(configEditText, "configEditText");
-            String var6 = configEditText.getText().toString();
-            byte[] var8 = var6.getBytes(Charset.defaultCharset());
+            String text = configEditText.getText().toString();
+            byte[] bytes = text.getBytes(Charset.defaultCharset());
             // Intrinsics.checkNotNullExpressionValue(var8, "this as java.lang.String).getBytes(charset)");
-            fileOutputStream.write(var8);
+            fileOutputStream.write(bytes);
             // Unit var13 = Unit.INSTANCE;
         } catch (Throwable ex) {
             ex.printStackTrace();
diff --git a/app/src/main/java/com/xypower/frpandroid/MainActivity.java b/app/src/main/java/com/xypower/frpandroid/MainActivity.java
index c028e68..8b1c5e8 100644
--- a/app/src/main/java/com/xypower/frpandroid/MainActivity.java
+++ b/app/src/main/java/com/xypower/frpandroid/MainActivity.java
@@ -138,13 +138,9 @@ public class MainActivity extends AppCompatActivity {
     public final void readLog() {
         TextView logTextView = (TextView)this.findViewById(R.id.logTextView);
         if (this.mBound) {
-            // Intrinsics.checkNotNullExpressionValue(logTextView, "logTextView");
-            ShellService var10001 = this.mService;
-            if (var10001 == null) {
-                // Intrinsics.throwUninitializedPropertyAccessException("mService");
+            if (this.mService != null) {
+                logTextView.setText((CharSequence)this.mService.getOutput());
             }
-
-            logTextView.setText((CharSequence)var10001.getOutput());
         } else {
             Log.w("adx", "readLog mBound==null");
         }
@@ -168,7 +164,6 @@ public class MainActivity extends AppCompatActivity {
         InputStream inputStream = null;
         byte[] bytes = new byte[256];
         try {
-            boolean var6 = false;
             inputStream = assetmanager.open("config.toml");
             // Intrinsics.checkNotNullExpressionValue(var10001, "assetmanager.open((BuildConfig.ConfigFileName))");
             int bytesRead = inputStream.read(bytes);
@@ -216,12 +211,12 @@ public class MainActivity extends AppCompatActivity {
         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
             String name = "frp后台服务";
             String descriptionText = "frp后台服务通知";
-            NotificationChannel var5 = null;
+            NotificationChannel notificationChannel = null;
 
-            var5 = new NotificationChannel("shell_bg", (CharSequence)name, NotificationManager.IMPORTANCE_MIN);
+            notificationChannel = new NotificationChannel("shell_bg", (CharSequence)name, NotificationManager.IMPORTANCE_MIN);
 
-            var5.setDescription(descriptionText);
-            NotificationChannel channel = var5;
+            notificationChannel.setDescription(descriptionText);
+            NotificationChannel channel = notificationChannel;
             NotificationManager notificationManager = (NotificationManager)this.getSystemService(Context.NOTIFICATION_SERVICE);
             if (notificationManager == null) {
                 throw new NullPointerException("null cannot be cast to non-null type android.app.NotificationManager");
diff --git a/app/src/main/java/com/xypower/frpandroid/ShellService.java b/app/src/main/java/com/xypower/frpandroid/ShellService.java
index 2cddb90..f397f19 100644
--- a/app/src/main/java/com/xypower/frpandroid/ShellService.java
+++ b/app/src/main/java/com/xypower/frpandroid/ShellService.java
@@ -21,9 +21,9 @@ import java.util.Random;
 
 public class ShellService extends Service {
 
-    private Thread process_thread;
-    private final StringBuilder outputBuilder = new StringBuilder();
-    private final LocalBinder binder = new LocalBinder();
+    private Thread mProcessThread;
+    private final StringBuilder mOutputBuilder = new StringBuilder();
+    private final LocalBinder mBinder = new LocalBinder();
     private final Random mGenerator = new Random();
 
     public ShellService() {
@@ -32,19 +32,19 @@ public class ShellService extends Service {
     @Override
     public IBinder onBind(Intent intent) {
         // Intrinsics.checkNotNullParameter(intent, "intent");
-        return (IBinder)this.binder;
+        return (IBinder)this.mBinder;
     }
 
     @NotNull
     public final String getOutput() {
-        return this.outputBuilder.toString();
+        return this.mOutputBuilder.toString();
         // Intrinsics.checkNotNullExpressionValue(var10000, "outputBuilder.toString()");
     }
 
     public final void clearOutput() {
         // StringsKt.clear(this.outputBuilder);
         // this.outputBuilder.
-        this.outputBuilder.delete(0, outputBuilder.length());
+        this.mOutputBuilder.delete(0, mOutputBuilder.length());
     }
 
     public final int getRandomNumber() {
@@ -54,13 +54,13 @@ public class ShellService extends Service {
 
     public int onStartCommand(@Nullable Intent intent, int flags, int startId) {
         String filename = "";
-        if (this.process_thread != null) {
+        if (this.mProcessThread != null) {
             Log.w("adx", "process isn't null,service won't start");
             Toast.makeText((Context)this, (CharSequence)"process isn't null,service won't start", Toast.LENGTH_SHORT).show();
             return Service.START_NOT_STICKY;
         } else if (intent != null) {
-            Bundle var10000 = intent.getExtras();
-            Object var8 = var10000 != null ? var10000.get("filename") : null;
+            Bundle extras = intent.getExtras();
+            Object var8 = extras != null ? extras.get("filename") : null;
             if (var8 == null) {
                 throw new NullPointerException("null cannot be cast to non-null type kotlin.String");
             } else {
@@ -102,16 +102,15 @@ public class ShellService extends Service {
     }
 
     public void onDestroy() {
-        Thread var10000 = this.process_thread;
-        if (var10000 != null) {
-            var10000.interrupt();
+        if (mProcessThread != null) {
+            mProcessThread.interrupt();
         }
 
-        Toast.makeText((Context)this, (CharSequence)"已关闭frp服务", 0).show();
+        Toast.makeText((Context)this, (CharSequence)"已关闭frp服务", Toast.LENGTH_SHORT).show();
     }
 
     private final void runCommand(String command, String[] envp, File dir) {
-        this.process_thread = new ShellThread(command, envp, dir, new ShellThread.Function1() {
+        mProcessThread = new ShellThread(command, envp, dir, new ShellThread.Function1() {
 
             @Override
             public Object invoke(Object var1) {
@@ -122,28 +121,29 @@ public class ShellService extends Service {
 
             public final void invoke(@NotNull String it) {
                 // Intrinsics.checkNotNullParameter(it, "it");
-                ShellService.this.outputBuilder.append(it + "\n");
+                ShellService.this.mOutputBuilder.append(it + "\n");
             }
         });
-        Thread var10000 = this.process_thread;
-        if (var10000 != null) {
-            var10000.start();
+
+        if (mProcessThread != null) {
+            mProcessThread.start();
         }
 
     }
 
     private final Notification showMotification() {
-        Intent var2 = new Intent((Context)this, MainActivity.class);
+        Intent intent = new Intent((Context)this, MainActivity.class);
         boolean var4 = false;
-        PendingIntent var10000 = PendingIntent.getActivity((Context)this, 0, var2, PendingIntent.FLAG_IMMUTABLE);
+        PendingIntent pendingIntent = PendingIntent.getActivity((Context)this, 0, intent, PendingIntent.FLAG_IMMUTABLE);
         // Intrinsics.checkNotNullExpressionValue(var10000, "Intent(this, MainActivit…_IMMUTABLE)\n            }");
-        PendingIntent pendingIntent = var10000;
-        Notification.Builder var5 = (new Notification.Builder((Context)this, "shell_bg")).setSmallIcon(R.drawable.ic_launcher_foreground).setContentTitle((CharSequence)"frp后台服务").setContentText((CharSequence)"已启动frp").setContentIntent(pendingIntent);
+        Notification.Builder notificationBuilder = new Notification.Builder((Context)this, "shell_bg");
+        notificationBuilder.setSmallIcon(R.drawable.ic_launcher_foreground).
+                setContentTitle((CharSequence)"frp后台服务").
+                setContentText((CharSequence)"已启动frp").
+                setContentIntent(pendingIntent);
         // Intrinsics.checkNotNullExpressionValue(var5, "NotificationCompat.Build…tentIntent(pendingIntent)");
-        Notification.Builder notification = var5;
-        Notification var6 = notification.build();
+        return notificationBuilder.build();
         // Intrinsics.checkNotNullExpressionValue(var6, "notification.build()");
-        return var6;
     }
 
     public final class LocalBinder extends Binder implements IBinder {
diff --git a/key.pwd.txt b/key.pwd.txt
new file mode 100644
index 0000000..7dc2758
--- /dev/null
+++ b/key.pwd.txt
@@ -0,0 +1,2 @@
+pwd: XympFrp
+key alias: frp