diff --git a/gradle.properties b/gradle.properties
index 70ddbdf..85b3955 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,12 +5,12 @@ MORNY_ARCHIVE_NAME = morny-coeur
 MORNY_CODE_STORE = https://github.com/Eyre-S/Coeur-Morny-Cono
 MORNY_COMMIT_PATH = https://github.com/Eyre-S/Coeur-Morny-Cono/commit/%s
 
-VERSION = 1.3.0-dev3
+VERSION = 1.3.0-dev4
 
 USE_DELTA = false
 VERSION_DELTA =
 
-CODENAME = xiongan
+CODENAME = guanggu
 
 # dependencies
 
diff --git a/src/main/scala/cc/sukazyo/cono/morny/MornyCoeur.scala b/src/main/scala/cc/sukazyo/cono/morny/MornyCoeur.scala
index 79a5dc9..f88d9b4 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/MornyCoeur.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/MornyCoeur.scala
@@ -96,7 +96,42 @@ class MornyCoeur (using val config: MornyConfig) {
 	
 	daemons.start()
 	logger info "start telegram event listening"
-	account setUpdatesListener eventManager
+	import com.pengrad.telegrambot.TelegramException
+	account.setUpdatesListener(eventManager, (e: TelegramException) => {
+		
+		if (e.response != null) {
+			import com.google.gson.GsonBuilder
+			logger error
+				s"""Failed get updates: ${e.getMessage}
+				   |  server responses:
+				   |${GsonBuilder().setPrettyPrinting().create.toJson(e.response) indent 4}
+				   |""".stripMargin
+		}
+		
+		if (e.getCause != null) {
+			import java.net.{SocketException, SocketTimeoutException}
+			import javax.net.ssl.SSLHandshakeException
+			val caused = e.getCause
+			caused match
+				case e_timeout: (SSLHandshakeException|SocketException|SocketTimeoutException) =>
+					import cc.sukazyo.messiva.log.Message
+
+					import scala.collection.mutable
+					val log = mutable.ArrayBuffer(s"Failed get updates: Network Error")
+					var current: Throwable = e_timeout
+					log += s"  due to: ${current.getMessage}"
+					while (current.getCause != null) {
+						current = current.getCause
+						log += s"  caused by: ${current.getClass.getSimpleName}: ${current.getMessage}"
+					}
+					logger error Message(log mkString "\n")
+				case e_other =>
+					logger error exceptionLog(e_other)
+					this.daemons.reporter exception e_other
+		}
+		
+	})
+	
 	if config.commandLoginRefresh then
 		logger info "resetting telegram command list"
 		commands.automaticTGListUpdate()
diff --git a/src/main/scala/cc/sukazyo/cono/morny/util/schedule/Scheduler.scala b/src/main/scala/cc/sukazyo/cono/morny/util/schedule/Scheduler.scala
index 4eb066e..4a07a24 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/util/schedule/Scheduler.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/util/schedule/Scheduler.scala
@@ -141,7 +141,7 @@ class Scheduler {
 	  */
 	//noinspection ScalaWeakerAccess
 	def runnerName: String =
-		this.toString
+		s"${this.getClass.getSimpleName}@${this.hashCode.toHexString}"
 	
 	/** Add one task to scheduler task queue.
 	  * @return this scheduler for chained call.
@@ -199,11 +199,11 @@ class Scheduler {
 		runtime.getState
 	
 	/** Manually update the task scheduler.
-	  * 
+	  *
 	  * If the inner state of the scheduler somehow changed and cannot automatically
 	  * update schedule states to schedule the new state, you can call this method
 	  * to manually let the task scheduler reschedule it.
-	  * 
+	  *
 	  * You can also use it with some tick-guard like [[cc.sukazyo.cono.morny.util.time.WatchDog]]
 	  * to make the scheduler avoid fails when machine fall asleep or some else conditions.
 	  */