diff --git a/gradle.properties b/gradle.properties
index 85b3955..ed12f09 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ 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-dev4
+VERSION = 1.3.0-dev5
 
 USE_DELTA = false
 VERSION_DELTA =
diff --git a/src/main/scala/cc/sukazyo/cono/morny/bot/command/Encryptor.scala b/src/main/scala/cc/sukazyo/cono/morny/bot/command/Encryptor.scala
index b63dde4..080466e 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/bot/command/Encryptor.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/bot/command/Encryptor.scala
@@ -196,6 +196,7 @@ class Encryptor (using coeur: MornyCoeur) extends ITelegramCommand {
 				import cc.sukazyo.cono.morny.util.tgapi.formatting.TelegramParseEscape.escapeHtml as h
 				coeur.account exec SendMessage(
 					event.message.chat.id,
+					// language=html
 					s"<pre><code>${h(_text.text)}</code></pre>"
 				).parseMode(ParseMode HTML).replyToMessageId(event.message.messageId)
 		
diff --git a/src/main/scala/cc/sukazyo/cono/morny/daemon/EventHacker.scala b/src/main/scala/cc/sukazyo/cono/morny/daemon/EventHacker.scala
index ee1ab67..00596e7 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/daemon/EventHacker.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/daemon/EventHacker.scala
@@ -42,7 +42,7 @@ class EventHacker (using coeur: MornyCoeur) {
 		coeur.account exec SendMessage(
 			x.from_chat,
 			// language=html
-			s"<code>${h(GsonBuilder().setPrettyPrinting().create.toJson(update))}</code>"
+			s"<pre><code class='language-json'>${h(GsonBuilder().setPrettyPrinting().create.toJson(update))}</code></pre>"
 		).parseMode(ParseMode HTML).replyToMessageId(x.from_message toInt)
 		true
 	}
diff --git a/src/main/scala/cc/sukazyo/cono/morny/daemon/MornyReport.scala b/src/main/scala/cc/sukazyo/cono/morny/daemon/MornyReport.scala
index 468580f..a7ee9f9 100644
--- a/src/main/scala/cc/sukazyo/cono/morny/daemon/MornyReport.scala
+++ b/src/main/scala/cc/sukazyo/cono/morny/daemon/MornyReport.scala
@@ -46,7 +46,7 @@ class MornyReport (using coeur: MornyCoeur) {
 		def _tgErrFormat: String = e match
 			case api: EventRuntimeException.ActionFailed =>
 				// language=html
-				"\n\ntg-api error:\n<pre><code>%s</code></pre>"
+				"\n\ntg-api error:\n<pre><code class='language-json'>%s</code></pre>"
 						.formatted(GsonBuilder().setPrettyPrinting().create.toJson(api.response))
 			case _ => ""
 		executeReport(SendMessage(
@@ -54,7 +54,7 @@ class MornyReport (using coeur: MornyCoeur) {
 			// language=html
 			s"""<b>▌Coeur Unexpected Exception </b>
 			   |${if description ne null then h(description)+"\n" else ""}
-			   |<pre><code>${h(exceptionLog(e))}</code></pre>$_tgErrFormat"""
+			   |<pre><code class="language-log">${h(exceptionLog(e))}</code></pre>$_tgErrFormat"""
 			.stripMargin
 		).parseMode(ParseMode HTML))
 	}