diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/Subscribers.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/Subscribers.kt
index f90baa72d..c24267f04 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/Subscribers.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/Subscribers.kt
@@ -10,6 +10,8 @@ enum class ListeningStatus {
     STOPPED
 }
 
+/* KClass 的扩展方法 */
+
 @Synchronized
 fun <E : Event> KClass<E>.subscribe(handler: suspend (E) -> ListeningStatus) = this.listeners.add(Handler(handler))
 
@@ -28,6 +30,25 @@ fun <E : Event> KClass<E>.subscribeWhileFalse(listener: suspend (E) -> Boolean)
 fun <E : Event> KClass<E>.subscribeWhileTrue(listener: suspend (E) -> Boolean) = subscribeWhile(true, listener)
 fun <E : Event> KClass<E>.subscribeWhileNull(listener: suspend (E) -> Any?) = subscribeWhile(null, listener)
 
+/* 顶层方法 */
+
+inline fun <reified E : Event> subscribe(noinline handler: suspend (E) -> ListeningStatus) = E::class.subscribe(handler)
+
+inline fun <reified E : Event> subscribeAlways(noinline listener: suspend (E) -> Unit) = E::class.subscribeAlways(listener)
+
+inline fun <reified E : Event> subscribeOnce(noinline listener: suspend (E) -> Unit) = E::class.subscribeOnce(listener)
+
+inline fun <reified E : Event, T> subscribeUntil(valueIfStop: T, noinline listener: suspend (E) -> T) = E::class.subscribeUntil(valueIfStop, listener)
+inline fun <reified E : Event> subscribeUntilFalse(noinline listener: suspend (E) -> Boolean) = E::class.subscribeUntilFalse(listener)
+inline fun <reified E : Event> subscribeUntilTrue(noinline listener: suspend (E) -> Boolean) = E::class.subscribeUntilTrue(listener)
+inline fun <reified E : Event> subscribeUntilNull(noinline listener: suspend (E) -> Any?) = E::class.subscribeUntilNull(listener)
+
+
+inline fun <reified E : Event, T> subscribeWhile(valueIfContinue: T, noinline listener: suspend (E) -> T) = E::class.subscribeWhile(valueIfContinue, listener)
+inline fun <reified E : Event> subscribeWhileFalse(noinline listener: suspend (E) -> Boolean) = E::class.subscribeWhileFalse(listener)
+inline fun <reified E : Event> subscribeWhileTrue(noinline listener: suspend (E) -> Boolean) = E::class.subscribeWhileTrue(listener)
+inline fun <reified E : Event> subscribeWhileNull(noinline listener: suspend (E) -> Any?) = E::class.subscribeWhileNull(listener)
+
 
 /**
  * 监听一个事件. 可同时进行多种方式的监听
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/BotEvents.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/BotEvents.kt
index c88ee1584..861d35475 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/BotEvents.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/BotEvents.kt
@@ -2,13 +2,10 @@ package net.mamoe.mirai.event.events
 
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.event.Event
-import kotlin.reflect.KClass
 
 /**
  * @author Him188moe
  */
 abstract class BotEvent(val bot: Bot) : Event()
 
-class BotLoginSucceedEvent(bot: Bot) : BotEvent(bot) {
-    companion object : KClass<BotLoginSucceedEvent> by BotLoginSucceedEvent::class
-}
\ No newline at end of file
+class BotLoginSucceedEvent(bot: Bot) : BotEvent(bot)
\ No newline at end of file
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/FriendEvents.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/FriendEvents.kt
index e604aed08..b65d99569 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/FriendEvents.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/FriendEvents.kt
@@ -4,7 +4,6 @@ import net.mamoe.mirai.Bot
 import net.mamoe.mirai.contact.QQ
 import net.mamoe.mirai.message.Message
 import net.mamoe.mirai.message.defaults.MessageChain
-import kotlin.reflect.KClass
 
 /**
  * @author Him188moe
@@ -17,8 +16,6 @@ abstract class FriendEvent(bot: Bot, val sender: QQ) : BotEvent(bot)
  * @author Him188moe
  */
 class FriendMessageEvent(bot: Bot, sender: QQ, val message: MessageChain) : FriendEvent(bot, sender) {
-    companion object : KClass<FriendMessageEvent> by FriendMessageEvent::class
-
     @JvmSynthetic
     suspend inline fun reply(message: Message) = sender.sendMessage(message)
 
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/GroupEvents.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/GroupEvents.kt
index 0140706dc..161d39b7b 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/GroupEvents.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/GroupEvents.kt
@@ -5,7 +5,6 @@ import net.mamoe.mirai.contact.Group
 import net.mamoe.mirai.contact.QQ
 import net.mamoe.mirai.message.Message
 import net.mamoe.mirai.message.defaults.MessageChain
-import kotlin.reflect.KClass
 
 /**
  * @author Him188moe
@@ -16,8 +15,6 @@ abstract class GroupEvent(bot: Bot, val group: Group) : BotEvent(bot)
  * @author Him188moe
  */
 class GroupMessageEvent(bot: Bot, group: Group, val sender: QQ, val message: MessageChain) : GroupEvent(bot, group) {
-    companion object : KClass<GroupMessageEvent> by GroupMessageEvent::class
-
     @JvmSynthetic
     suspend inline fun reply(message: Message) = group.sendMessage(message)
 
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/PacketEvents.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/PacketEvents.kt
index 29eb1d1a8..fec20199d 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/PacketEvents.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/events/PacketEvents.kt
@@ -5,7 +5,6 @@ import net.mamoe.mirai.event.Cancellable
 import net.mamoe.mirai.network.protocol.tim.packet.ClientPacket
 import net.mamoe.mirai.network.protocol.tim.packet.Packet
 import net.mamoe.mirai.network.protocol.tim.packet.ServerPacket
-import kotlin.reflect.KClass
 
 /* Abstract */
 
@@ -22,22 +21,16 @@ sealed class ClientPacketEvent<out P : ClientPacket>(bot: Bot, packet: P) : Pack
 /**
  * 包已发送. 不可被取消
  */
-class PacketSentEvent<P : ClientPacket>(bot: Bot, packet: P) : ClientPacketEvent<P>(bot, packet) {
-    companion object : KClass<PacketSentEvent<*>> by PacketSentEvent::class
-}
+class PacketSentEvent<P : ClientPacket>(bot: Bot, packet: P) : ClientPacketEvent<P>(bot, packet)
 
 /**
  * 包发送前. 可被取消
  */
-class BeforePacketSendEvent<P : ClientPacket>(bot: Bot, packet: P) : ClientPacketEvent<P>(bot, packet), Cancellable {
-    companion object : KClass<BeforePacketSendEvent<*>> by BeforePacketSendEvent::class
-}
+class BeforePacketSendEvent<P : ClientPacket>(bot: Bot, packet: P) : ClientPacketEvent<P>(bot, packet), Cancellable
 
 
 /* Server to Client */
 
 sealed class ServerPacketEvent<out P : ServerPacket>(bot: Bot, packet: P) : PacketEvent<P>(bot, packet)
 
-class ServerPacketReceivedEvent(bot: Bot, packet: ServerPacket) : ServerPacketEvent<ServerPacket>(bot, packet) {
-    companion object : KClass<ServerPacketReceivedEvent> by ServerPacketReceivedEvent::class
-}
\ No newline at end of file
+class ServerPacketReceivedEvent(bot: Bot, packet: ServerPacket) : ServerPacketEvent<ServerPacket>(bot, packet)
\ No newline at end of file
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/internal/InternalEventListenres.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/internal/InternalEventListenres.kt
index d4701c461..2d0aa7dad 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/internal/InternalEventListenres.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/event/internal/InternalEventListenres.kt
@@ -1,7 +1,16 @@
 package net.mamoe.mirai.event.internal
 
+import kotlinx.coroutines.delay
+import net.mamoe.mirai.Bot
 import net.mamoe.mirai.event.Event
 import net.mamoe.mirai.event.ListeningStatus
+import net.mamoe.mirai.event.broadcast
+import net.mamoe.mirai.event.events.ServerPacketReceivedEvent
+import net.mamoe.mirai.event.subscribeAlways
+import net.mamoe.mirai.network.protocol.tim.packet.ServerPacket
+import net.mamoe.mirai.network.protocol.tim.packet.dataInputStream
+import net.mamoe.mirai.utils.BotAccount
+import net.mamoe.mirai.utils.Console
 import kotlin.reflect.KClass
 import kotlin.reflect.full.allSuperclasses
 
@@ -10,7 +19,6 @@ import kotlin.reflect.full.allSuperclasses
  *
  * @author Him188moe
  */
-
 internal fun <E : Event> KClass<E>.subscribeInternal(listener: Listener<E>) = this.listeners.add(listener)
 
 /**
@@ -36,16 +44,16 @@ internal val <E : Event> KClass<E>.listeners: EventListeners<E> get() = EventLis
 internal class EventListeners<E : Event> : MutableList<Listener<E>> by mutableListOf()
 
 internal object EventListenerManger {
-    private val REGISTRIES: MutableMap<KClass<out Event>, EventListeners<out Event>> = mutableMapOf()
+    private val registries: MutableMap<KClass<out Event>, EventListeners<out Event>> = mutableMapOf()
 
     @Suppress("UNCHECKED_CAST")
     internal fun <E : Event> get(clazz: KClass<E>): EventListeners<E> {
         synchronized(clazz) {
-            if (REGISTRIES.containsKey(clazz)) {
-                return REGISTRIES[clazz] as EventListeners<E>
+            if (registries.containsKey(clazz)) {
+                return registries[clazz] as EventListeners<E>
             } else {
                 EventListeners<E>().let {
-                    REGISTRIES[clazz] = it
+                    registries[clazz] = it
                     return it
                 }
             }
@@ -64,13 +72,25 @@ internal suspend fun <E : Event> E.broadcastInternal(): E {
         }
     }
 
-    callListeners(this::class.listeners as EventListeners<E>)
+    callListeners(this::class.listeners as EventListeners<in E>)
     this::class.allSuperclasses.forEach {
         //println("super: " + it.simpleName)
+        //todo multi platform
         if (Event::class.java.isAssignableFrom(it.java)) {
             callListeners((it as KClass<out Event>).listeners as EventListeners<in E>)
         }
     }
 
     return this
+}
+
+suspend fun main() {
+    ServerPacketReceivedEvent::class.subscribeAlways {
+        println("got it")
+    }
+
+    println(ServerPacketReceivedEvent::class.listeners.size)
+
+    ServerPacketReceivedEvent(Bot(BotAccount(1, ""), Console()), object : ServerPacket(byteArrayOf().dataInputStream()) {}).broadcast()
+    delay(1000)
 }
\ No newline at end of file
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
index dc8603332..735ee9988 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/TIMBotNetworkHandler.kt
@@ -188,7 +188,7 @@ internal class TIMBotNetworkHandler(private val bot: Bot) : BotNetworkHandler {
             //    loginResult?.complete(LoginState.TIMEOUT)
             //}
             val received = AtomicBoolean(false)
-            ServerPacketReceivedEvent.subscribe {
+            ServerPacketReceivedEvent::class.subscribe {
                 if (it.packet is ServerTouchResponsePacket && it.bot === bot) {
                     received.set(true)
                     ListeningStatus.STOPPED
diff --git a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
index e83ff40bc..9b8cf15a0 100644
--- a/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
+++ b/mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/network/protocol/tim/packet/ServerPacket.kt
@@ -2,13 +2,6 @@
 
 package net.mamoe.mirai.network.protocol.tim.packet
 
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.GlobalScope
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.event.events.ServerPacketReceivedEvent
-import net.mamoe.mirai.event.subscribeWhileTrue
 import net.mamoe.mirai.network.protocol.tim.packet.PacketNameFormatter.adjustName
 import net.mamoe.mirai.network.protocol.tim.packet.action.ServerCanAddFriendResponsePacket
 import net.mamoe.mirai.network.protocol.tim.packet.action.ServerSendFriendMessageResponsePacket
@@ -18,7 +11,6 @@ import net.mamoe.mirai.network.protocol.tim.packet.login.*
 import net.mamoe.mirai.utils.*
 import java.io.DataInputStream
 import java.io.EOFException
-import kotlin.reflect.KClass
 
 /**
  * @author Him188moe
@@ -334,25 +326,4 @@ fun DataInputStream.gotoWhere(matcher: ByteArray): DataInputStream {
             return this
         }
     } while (true)
-}
-
-
-@Suppress("UNCHECKED_CAST")
-internal fun <P : ServerPacket> Bot.waitForPacket(packetClass: KClass<P>, timeoutMillis: Long = Long.MAX_VALUE, timeout: () -> Unit = {}) {
-    var got = false
-    ServerPacketReceivedEvent.subscribeWhileTrue {
-        if (packetClass.isInstance(it.packet) && it.bot === this) {
-            got = true
-            false
-        } else {
-            true
-        }
-    }
-
-    GlobalScope.launch(Dispatchers.Unconfined) {
-        delay(timeoutMillis)
-        if (!got) {
-            timeout.invoke()
-        }
-    }
 }
\ No newline at end of file
diff --git a/mirai-demos/mirai-demo-1/src/main/java/demo1/Main.kt b/mirai-demos/mirai-demo-1/src/main/java/demo1/Main.kt
index 812433fe6..0e7d9f95b 100644
--- a/mirai-demos/mirai-demo-1/src/main/java/demo1/Main.kt
+++ b/mirai-demos/mirai-demo-1/src/main/java/demo1/Main.kt
@@ -33,18 +33,8 @@ suspend fun main() {
     }
 
 
-    //DSL 监听
-    FriendMessageEvent.subscribeAll {
-        always {
-            //获取第一个纯文本消息
-            val firstText = it.message[PlainText]
-
-        }
-    }
-
-
-    //监听事件:
-    FriendMessageEvent.subscribeAlways {
+    //提供泛型以监听事件
+    subscribeAlways<FriendMessageEvent> {
         //获取第一个纯文本消息
         val firstText = it.message[PlainText]
 
@@ -76,11 +66,22 @@ suspend fun main() {
         }
     }
 
+    //通过 KClass 扩展方式监听事件
     GroupMessageEvent::class.subscribeAlways {
         when {
             it.message.contains("复读") -> it.reply(it.message)
         }
     }
+
+
+    //DSL 监听
+    FriendMessageEvent::class.subscribeAll {
+        always {
+            //获取第一个纯文本消息
+            val firstText = it.message[PlainText]
+
+        }
+    }
 }
 
 
@@ -90,9 +91,9 @@ suspend fun main() {
  * 对机器人说 "停止", 机器人停止
  */
 fun demo2() {
-    FriendMessageEvent.subscribeAlways { event ->
+    subscribeAlways<FriendMessageEvent> { event ->
         if (event.message eq "记笔记") {
-            FriendMessageEvent.subscribeUntilFalse {
+            FriendMessageEvent::class.subscribeUntilFalse {
                 it.reply("你发送了 ${it.message}")
 
                 it.message eq "停止"