From e30f97dc2e7b5c3865f85c59c40da0bfe050681a Mon Sep 17 00:00:00 2001
From: sandtechnology <a1294790523@hotmail.com>
Date: Thu, 17 Dec 2020 13:07:08 +0800
Subject: [PATCH] Add missed channel check

---
 .../src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt b/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
index 0d91a9164..e51784c9b 100644
--- a/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
+++ b/mirai-core/src/commonMain/kotlin/network/QQAndroidBotNetworkHandler.kt
@@ -615,6 +615,7 @@ internal class QQAndroidBotNetworkHandler(coroutineContext: CoroutineContext, bo
     suspend fun OutgoingPacket.sendWithoutExpect() {
         check(bot.isActive) { "bot is dead therefore can't send ${this.commandName}" }
         check(this@QQAndroidBotNetworkHandler.isActive) { "network is dead therefore can't send any packet" }
+        check(channel.isOpen) { "network channel is closed" }
         logger.verbose { "Send: ${this.commandName}" }
         channel.send(delegate)
     }