diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/app/AppInfo.kt b/composeApp/src/commonMain/kotlin/com/clipevery/app/AppInfo.kt
index 5a01d77b8..4ac4bd143 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/app/AppInfo.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/app/AppInfo.kt
@@ -1,6 +1,8 @@
 package com.clipevery.app
 
+import com.clipevery.utils.JsonUtils
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.encodeToString
 
 const val AppName: String = "Clipevery"
 
@@ -9,4 +11,9 @@ data class AppInfo(
     val appInstanceId: String,
     val appVersion: String,
     val userName: String
-)
+) {
+
+    override fun toString(): String {
+        return JsonUtils.JSON.encodeToString(this)
+    }
+}
diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/SyncInfo.kt b/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/SyncInfo.kt
index db31cf387..71b441f95 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/SyncInfo.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/dto/sync/SyncInfo.kt
@@ -2,7 +2,14 @@ package com.clipevery.dto.sync
 
 import com.clipevery.app.AppInfo
 import com.clipevery.endpoint.EndpointInfo
+import com.clipevery.utils.JsonUtils
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.encodeToString
 
 @Serializable
-data class SyncInfo(val appInfo: AppInfo, val endpointInfo: EndpointInfo)
+data class SyncInfo(val appInfo: AppInfo, val endpointInfo: EndpointInfo) {
+
+    override fun toString(): String {
+        return JsonUtils.JSON.encodeToString(this)
+    }
+}
diff --git a/composeApp/src/commonMain/kotlin/com/clipevery/endpoint/EndpointInfo.kt b/composeApp/src/commonMain/kotlin/com/clipevery/endpoint/EndpointInfo.kt
index 3141c81d9..ed5c73c3a 100644
--- a/composeApp/src/commonMain/kotlin/com/clipevery/endpoint/EndpointInfo.kt
+++ b/composeApp/src/commonMain/kotlin/com/clipevery/endpoint/EndpointInfo.kt
@@ -2,18 +2,17 @@ package com.clipevery.endpoint
 
 import com.clipevery.dao.sync.HostInfo
 import com.clipevery.platform.Platform
+import com.clipevery.utils.JsonUtils
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.encodeToString
 
 @Serializable
 data class EndpointInfo(val deviceId: String,
                         val deviceName: String,
                         val platform: Platform,
                         val hostInfoList: List<HostInfo>,
-                        val port: Int)
-
-data class ExplicitEndpointInfo(val deviceId: String,
-                                val deviceName: String,
-                                val platform: Platform,
-                                val hostInfo: HostInfo,
-                                val port: Int)
-
+                        val port: Int) {
+    override fun toString(): String {
+        return JsonUtils.JSON.encodeToString(this)
+    }
+}
diff --git a/composeApp/src/desktopMain/kotlin/com/clipevery/routing/SyncRouting.kt b/composeApp/src/desktopMain/kotlin/com/clipevery/routing/SyncRouting.kt
index ba6080368..71e83a6c8 100644
--- a/composeApp/src/desktopMain/kotlin/com/clipevery/routing/SyncRouting.kt
+++ b/composeApp/src/desktopMain/kotlin/com/clipevery/routing/SyncRouting.kt
@@ -11,11 +11,13 @@ import com.clipevery.dto.sync.RequestTrustSyncInfo
 import com.clipevery.dto.sync.SyncInfo
 import com.clipevery.exception.StandardErrorCode
 import com.clipevery.net.CheckAction
+import com.clipevery.net.ClientHandlerManager
 import com.clipevery.net.DeviceRefresher
 import com.clipevery.utils.encodePreKeyBundle
 import com.clipevery.utils.failResponse
 import com.clipevery.utils.getAppInstanceId
 import com.clipevery.utils.successResponse
+import io.github.oshai.kotlinlogging.KotlinLogging
 import io.ktor.server.application.call
 import io.ktor.server.request.receive
 import io.ktor.server.routing.Routing
@@ -34,6 +36,8 @@ import java.util.Objects
 
 fun Routing.syncRouting() {
 
+    val logger = KotlinLogging.logger {}
+
     val koinApplication = Dependencies.koinApplication
 
     val signalDao = koinApplication.koin.get<SignalDao>()
@@ -44,6 +48,8 @@ fun Routing.syncRouting() {
 
     val deviceRefresher = koinApplication.koin.get<DeviceRefresher>()
 
+    val clientHandlerManager = koinApplication.koin.get<ClientHandlerManager>()
+
     post("/sync/syncInfos") {
         getAppInstanceId(call).let { appInstanceId ->
             val signalProtocolAddress = SignalProtocolAddress(appInstanceId, 1)
@@ -53,6 +59,10 @@ fun Routing.syncRouting() {
                 val identityKeys = requestTrustSyncInfos.map { ClipIdentityKey(it.syncInfo.appInfo.appInstanceId, it.identityKey.serialize()) }
                 syncRuntimeInfoDao.inertOrUpdate(syncInfos)
                 signalDao.saveIdentities(identityKeys)
+                for (syncInfo in syncInfos) {
+                    logger.debug { "syncInfo = $syncInfo" }
+                    clientHandlerManager.addHandler(syncInfo.appInfo.appInstanceId)
+                }
                 deviceRefresher.refresh(CheckAction.CheckNonConnected)
                 successResponse(call)
             } ?:  failResponse(call, StandardErrorCode.SIGNAL_UNTRUSTED_IDENTITY.toErrorCode(), "not trust $appInstanceId")
@@ -68,7 +78,7 @@ fun Routing.syncRouting() {
 
             val signalProtocolAddress = SignalProtocolAddress(appInstanceId, 1)
 
-            signalProtocolStore.getIdentity(signalProtocolAddress)?.let {
+            signalProtocolStore.getIdentity(signalProtocolAddress) ?: run {
                 failResponse(call, StandardErrorCode.SIGNAL_UNTRUSTED_IDENTITY.toErrorCode(), "not trust $appInstanceId")
                 return@get
             }
diff --git a/composeApp/src/desktopMain/kotlin/com/clipevery/utils/TelnetUtils.kt b/composeApp/src/desktopMain/kotlin/com/clipevery/utils/TelnetUtils.kt
index 6a7552680..4d7d82a4c 100644
--- a/composeApp/src/desktopMain/kotlin/com/clipevery/utils/TelnetUtils.kt
+++ b/composeApp/src/desktopMain/kotlin/com/clipevery/utils/TelnetUtils.kt
@@ -3,38 +3,51 @@ package com.clipevery.utils
 import com.clipevery.dao.sync.HostInfo
 import com.clipevery.net.ClipClient
 import io.github.oshai.kotlinlogging.KotlinLogging
+import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.async
-import kotlinx.coroutines.selects.select
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.TimeoutCancellationException
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withTimeout
 
 class TelnetUtils(private val clipClient: ClipClient) {
 
     private val logger = KotlinLogging.logger {}
 
     suspend fun switchHost(hostInfoList: List<HostInfo>, port: Int, timeout: Long = 500L): HostInfo? {
-        if (hostInfoList.isEmpty()) {
-            return null
-        }
-        val deferredArray = hostInfoList.map { hostInfo ->
-            CoroutineScope(ioDispatcher).async {
-                if (telnet(hostInfo, port, timeout)) hostInfo else null
-            }
-        }
+        if (hostInfoList.isEmpty()) return null
+
+        val result = CompletableDeferred<HostInfo?>()
+        val mutex = Mutex()
+        val scope = CoroutineScope(Dispatchers.IO)
 
-        var result: HostInfo? = null
-        select {
-            deferredArray.forEach { deferred ->
-                deferred.onAwait { hostInfo ->
-                    if (hostInfo != null) {
-                        result = hostInfo
-                        deferredArray.forEach { it.cancel() }
+        hostInfoList.forEach { hostInfo ->
+            scope.launch {
+                try {
+                    if (telnet(hostInfo, port, timeout)) {
+                        mutex.withLock {
+                            if (!result.isCompleted) {
+                                result.complete(hostInfo)
+                            }
+                        }
                     }
-                }
+                } catch (ignore: Exception) { }
             }
         }
-        return result
+
+        return try {
+            withTimeout(timeout) { result.await() }
+        } catch (e: TimeoutCancellationException) {
+            null
+        } finally {
+            scope.cancel()
+        }
     }
 
+
     private suspend fun telnet(hostInfo: HostInfo, port: Int, timeout: Long): Boolean {
         return try {
             val httpResponse = clipClient.get(timeout = timeout) { urlBuilder ->