diff --git a/AndroidLibV2rayLite/Process/Escort/escort.go b/AndroidLibV2rayLite/Process/Escort/escort.go
index 69c9430a..35670bbd 100644
--- a/AndroidLibV2rayLite/Process/Escort/escort.go
+++ b/AndroidLibV2rayLite/Process/Escort/escort.go
@@ -10,7 +10,7 @@ import (
 	"github.com/2dust/AndroidLibV2rayLite/CoreI"
 )
 
-func (v *Escorting) EscortRun(proc string, pt []string, additionalEnv string, sendFd func() int) {
+func (v *Escorting) EscortRun(proc string, pt []string, additionalEnv string) {
 	log.Println(proc, pt)
 	count := 0
 	for count <= 42 {
@@ -37,13 +37,6 @@ func (v *Escorting) EscortRun(proc string, pt []string, additionalEnv string, se
 		*v.escortProcess = append(*v.escortProcess, cmd.Process)
 		log.Println("EscortRun Waiting....")
 
-		if count > 0 {
-			go func() {
-				time.Sleep(time.Second)
-				sendFd()
-			}()
-		}
-
 		if err := cmd.Wait(); err != nil {
 			log.Println("EscortRun cmd.Wait err:", err)
 		}
diff --git a/AndroidLibV2rayLite/interact.go b/AndroidLibV2rayLite/interact.go
index 57b45289..b07cd2f0 100644
--- a/AndroidLibV2rayLite/interact.go
+++ b/AndroidLibV2rayLite/interact.go
@@ -57,7 +57,6 @@ type V2RayVPNServiceSupportsSet interface {
 	Shutdown() int
 	Protect(int) int
 	OnEmitStatus(int, string) int
-	SendFd() int
 }
 
 /*RunLoop Run V2Ray main loop
@@ -81,7 +80,6 @@ func (v *V2RayPoint) RunLoop() (err error) {
 				if !v.dialer.IsVServerReady() {
 					log.Println("vServer cannot resolved, shutdown")
 					v.StopLoop()
-					v.SupportSet.Shutdown()
 				}
 
 			// stop waiting if manually closed
@@ -130,19 +128,10 @@ func (v *V2RayPoint) shutdownInit() {
 	v.status.Vpoint = nil
 	v.statsManager = nil
 	v.escorter.EscortingDown()
+	v.SupportSet.Shutdown()
 }
 
 func (v *V2RayPoint) pointloop() error {
-	if err := v.runTun2socks(); err != nil {
-		log.Println(err)
-		return err
-	}
-
-	log.Printf("EnableLocalDNS: %v\nForwardIpv6: %v\nDomainName: %s",
-		v.EnableLocalDNS,
-		v.ForwardIpv6,
-		v.DomainName)
-
 	log.Println("loading v2ray config")
 	config, err := v2serial.LoadJSONConfig(strings.NewReader(v.ConfigureFileContent))
 	if err != nil {
@@ -170,6 +159,17 @@ func (v *V2RayPoint) pointloop() error {
 	v.SupportSet.Prepare()
 	v.SupportSet.Setup(v.status.GetVPNSetupArg(v.EnableLocalDNS, v.ForwardIpv6))
 	v.SupportSet.OnEmitStatus(0, "Running")
+
+	if err := v.runTun2socks(); err != nil {
+		log.Println(err)
+		return err
+	}
+
+	log.Printf("EnableLocalDNS: %v\nForwardIpv6: %v\nDomainName: %s",
+		v.EnableLocalDNS,
+		v.ForwardIpv6,
+		v.DomainName)
+
 	return nil
 }
 
@@ -229,8 +229,7 @@ func (v V2RayPoint) runTun2socks() error {
 	v.escorter.EscortingUp()
 	go v.escorter.EscortRun(
 		v.status.GetApp("libtun2socks.so"),
-		v.status.GetTun2socksArgs(v.EnableLocalDNS, v.ForwardIpv6), "",
-		v.SupportSet.SendFd)
+		v.status.GetTun2socksArgs(v.EnableLocalDNS, v.ForwardIpv6), "")
 
 	return nil
 }
diff --git a/V2rayNG/app/src/main/AndroidManifest.xml b/V2rayNG/app/src/main/AndroidManifest.xml
index 3e883469..28d37785 100644
--- a/V2rayNG/app/src/main/AndroidManifest.xml
+++ b/V2rayNG/app/src/main/AndroidManifest.xml
@@ -27,6 +27,7 @@
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
+        android:extractNativeLibs="true"
         android:theme="@style/AppTheme">
         <activity
             android:name=".ui.MainActivity"
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/ServiceControl.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/ServiceControl.kt
index 6fd22c79..2998342a 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/ServiceControl.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/ServiceControl.kt
@@ -11,5 +11,4 @@ interface ServiceControl {
 
     fun vpnProtect(socket: Int): Boolean
 
-    fun vpnSendFd()
 }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayProxyOnlyService.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayProxyOnlyService.kt
index 3c01aefb..4e4db1fb 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayProxyOnlyService.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayProxyOnlyService.kt
@@ -37,10 +37,6 @@ class V2RayProxyOnlyService : Service(), ServiceControl {
         return true
     }
 
-    override fun vpnSendFd() {
-        // do nothing
-    }
-
     override fun onBind(intent: Intent?): IBinder? {
         return null
     }
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
index cbe6ddeb..282ddd21 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayServiceManager.kt
@@ -111,16 +111,6 @@ object V2RayServiceManager {
             }
         }
 
-        override fun sendFd(): Long {
-            val serviceControl = serviceControl?.get() ?: return -1
-            try {
-                serviceControl.vpnSendFd()
-            } catch (e: Exception) {
-                Log.d(serviceControl.getService().packageName, e.toString())
-                return -1
-            }
-            return 0
-        }
     }
 
     fun startV2rayPoint() {
diff --git a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
index f4cd1752..a72f0bf1 100644
--- a/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
+++ b/V2rayNG/app/src/main/kotlin/com/v2ray/ang/service/V2RayVpnService.kt
@@ -155,8 +155,8 @@ class V2RayVpnService : VpnService(), ServiceControl {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
             try {
                 connectivity.requestNetwork(defaultNetworkRequest, defaultNetworkCallback)
-            } catch (ignored: Exception) {
-                // ignored
+            } catch (e: Exception) {
+                e.printStackTrace()
             }
         }
 
@@ -172,6 +172,8 @@ class V2RayVpnService : VpnService(), ServiceControl {
             e.printStackTrace()
             stopV2Ray()
         }
+
+        sendFd()
     }
 
     private fun sendFd() {
@@ -181,7 +183,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
         GlobalScope.launch(Dispatchers.IO) {
             var tries = 0
             while (true) try {
-                Thread.sleep(50L shl tries)
+                Thread.sleep(1000L shl tries)
                 Log.d(packageName, "sendFd tries: $tries")
                 LocalSocket().use { localSocket ->
                     localSocket.connect(LocalSocketAddress(path, LocalSocketAddress.Namespace.FILESYSTEM))
@@ -251,7 +253,4 @@ class V2RayVpnService : VpnService(), ServiceControl {
         return protect(socket)
     }
 
-    override fun vpnSendFd() {
-        sendFd()
-    }
 }