diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index b82788dae..c552efae5 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -16,7 +16,6 @@
         android:label="RustDesk"
         android:requestLegacyExternalStorage="true">
 
-        <!-- 暂时不开启接收开机广播的功能 enabled设置为false-->
         <receiver
             android:name=".BootReceiver"
             android:enabled="false"
@@ -71,4 +70,4 @@
             android:value="2" />
     </application>
 
-</manifest>
\ No newline at end of file
+</manifest>
diff --git a/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainActivity.kt b/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainActivity.kt
index e7143c3dc..b8988c8dd 100644
--- a/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainActivity.kt
@@ -31,22 +31,23 @@ class MainActivity : FlutterActivity() {
     @RequiresApi(Build.VERSION_CODES.M)
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
-        Log.d(logTag, "MainActivity configureFlutterEngine,bind to main service")
-        Intent(this, MainService::class.java).also {
-            bindService(it, serviceConnection, Context.BIND_AUTO_CREATE)
-        }
         updateMachineInfo()
         flutterMethodChannel = MethodChannel(
             flutterEngine.dartExecutor.binaryMessenger,
             channelTag
         ).apply {
+            // make sure result is set, otherwise flutter will await forever
             setMethodCallHandler { call, result ->
                 when (call.method) {
                     "init_service" -> {
-                        Log.d(logTag, "event from flutter,getPer")
-                        if(mainService?.isReady == false){
-                            getMediaProjection()
+                        Intent(activity, MainService::class.java).also {
+                            bindService(it, serviceConnection, Context.BIND_AUTO_CREATE)
                         }
+                        if(mainService?.isReady == true){
+                            result.success(false)
+                            return@setMethodCallHandler
+                        }
+                        getMediaProjection()
                         result.success(true)
                     }
                     "start_capture" -> {
@@ -68,11 +69,15 @@ class MainActivity : FlutterActivity() {
                     "check_permission" -> {
                         if(call.arguments is String){
                             result.success(checkPermission(context, call.arguments as String))
+                        } else {
+                            result.success(false)
                         }
                     }
                     "request_permission" -> {
                         if(call.arguments is String){
                             requestPermission(context, call.arguments as String)
+                        } else {
+                            result.success(false)
                         }
                     }
                     "check_video_permission" -> {
@@ -91,6 +96,7 @@ class MainActivity : FlutterActivity() {
                             "on_state_changed",
                             mapOf("name" to "media", "value" to mainService?.isReady.toString())
                         )
+                        result.success(true)
                     }
                     "init_input" -> {
                         initInput()
@@ -105,15 +111,20 @@ class MainActivity : FlutterActivity() {
                             "on_state_changed",
                             mapOf("name" to "input", "value" to InputService.isOpen.toString())
                         )
+                        result.success(true)
                     }
                     "cancel_notification" -> {
                         try {
                             val id = call.arguments as Int
                             Log.d(logTag,"cancel_notification id:$id")
                             mainService?.cancelNotification(id)
-                        }finally { }
+                        }finally {
+                            result.success(true)
+                        }
+                    }
+                    else -> {
+                        result.error("-1","No such method",null)
                     }
-                    else -> {}
                 }
             }
         }
diff --git a/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt b/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
index b55c9bdf7..40862b3aa 100644
--- a/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
+++ b/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainService.kt
@@ -24,6 +24,7 @@ import android.os.*
 import android.util.Log
 import android.view.Surface
 import android.view.Surface.FRAME_RATE_COMPATIBILITY_DEFAULT
+import androidx.annotation.Keep
 import androidx.annotation.RequiresApi
 import androidx.core.app.ActivityCompat
 import androidx.core.app.NotificationCompat
@@ -65,6 +66,7 @@ class MainService : Service() {
     }
 
     // rust call jvm
+    @Keep
     fun rustGetVideoRaw(): ByteArray {
         return if (videoData != null) {
             videoData!!
@@ -73,6 +75,7 @@ class MainService : Service() {
         }
     }
 
+    @Keep
     fun rustGetAudioRaw(): FloatArray {
         return if (isNewData && audioData != null) {
             isNewData = false
@@ -82,12 +85,14 @@ class MainService : Service() {
         }
     }
 
+    @Keep
     fun rustGetAudioRawLen(): Int {
         return if (isNewData && audioData != null && audioData!!.isNotEmpty()) {
             audioData!!.size
         } else 0
     }
 
+    @Keep
     fun rustGetByName(name: String): String {
         return when (name) {
             "screen_size" -> "${INFO.screenWidth}:${INFO.screenHeight}"
@@ -95,6 +100,7 @@ class MainService : Service() {
         }
     }
 
+    @Keep
     fun rustSetByName(name: String, arg1: String, arg2: String) {
         when (name) {
             "try_start_without_auth" -> {
diff --git a/deploy.sh b/deploy.sh
index 10ba55152..c18803419 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 cd build/web/
-python3 -c 'x=open("./main.dart.js").read();import re;y=re.search("https://.*canvaskit-wasm@([\d\.]+)/bin/",x);dirname="canvaskit@"+y.groups()[0];z=x.replace(y.group(),"/"+dirname+"/");f=open("./main.dart.js", "wt");f.write(z);import os;os.system("ln -s canvaskit " + dirname);'
+python3 -c 'x=open("./main.dart.js", "rt").read();import re;y=re.search("https://.*canvaskit-wasm@([\d\.]+)/bin/",x);dirname="canvaskit@"+y.groups()[0];z=x.replace(y.group(),"/"+dirname+"/");f=open("./main.dart.js", "wt");f.write(z);import os;os.system("ln -s canvaskit " + dirname);'
+python3 -c 'import hashlib;x=hashlib.sha1(open("./main.dart.js").read().encode()).hexdigest()[:10];y=open("index.html","rt").read().replace("main.dart.js", "main.dart.js?v="+x);open("index.html","wt").write(y)'
 tar czf x *
 scp x sg:/tmp/
 ssh sg "sudo tar xzf /tmp/x -C /var/www/html/web.rustdesk.com/ && /bin/rm /tmp/x && sudo chown www-data:www-data /var/www/html/web.rustdesk.com/ -R"