diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/bot/internal/OneBotBotImpl.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/bot/internal/OneBotBotImpl.kt
index 7f760d17..c11c68ca 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/bot/internal/OneBotBotImpl.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/bot/internal/OneBotBotImpl.kt
@@ -84,11 +84,17 @@ import love.forte.simbot.component.onebot.v11.core.event.internal.message.OneBot
 import love.forte.simbot.component.onebot.v11.core.event.internal.message.OneBotGroupPrivateMessageEventImpl
 import love.forte.simbot.component.onebot.v11.core.event.internal.message.OneBotNormalGroupMessageEventImpl
 import love.forte.simbot.component.onebot.v11.core.event.internal.message.OneBotNoticeGroupMessageEventImpl
+import love.forte.simbot.component.onebot.v11.core.event.internal.meta.OneBotDefaultMetaEventImpl
+import love.forte.simbot.component.onebot.v11.core.event.internal.meta.OneBotHeartbeatEventImpl
+import love.forte.simbot.component.onebot.v11.core.event.internal.meta.OneBotLifecycleEventImpl
 import love.forte.simbot.component.onebot.v11.core.event.internal.stage.OneBotBotStartedEventImpl
 import love.forte.simbot.component.onebot.v11.core.utils.onEachErrorLog
 import love.forte.simbot.component.onebot.v11.event.UnknownEvent
 import love.forte.simbot.component.onebot.v11.event.message.GroupMessageEvent
 import love.forte.simbot.component.onebot.v11.event.message.PrivateMessageEvent
+import love.forte.simbot.component.onebot.v11.event.meta.HeartbeatEvent
+import love.forte.simbot.component.onebot.v11.event.meta.LifecycleEvent
+import love.forte.simbot.component.onebot.v11.event.meta.MetaEvent
 import love.forte.simbot.component.onebot.v11.event.resolveEventSerializer
 import love.forte.simbot.component.onebot.v11.event.resolveEventSubTypeFieldName
 import love.forte.simbot.event.Event
@@ -449,7 +455,7 @@ internal class OneBotBotImpl(
                         resolveRawEvent(eventRaw)
                     }.getOrElse { e ->
                         val exMsg = "Failed to resolve raw event $eventRaw, " +
-                            "session and bot will be closed exceptionally"
+                                "session and bot will be closed exceptionally"
 
                         val ex = IllegalStateException(
                             exMsg,
@@ -547,7 +553,28 @@ internal class OneBotBotImpl(
                     )
                 }
 
-                // TODO meta events
+                //region Meta events
+                is MetaEvent -> when (event) {
+                    is LifecycleEvent -> OneBotLifecycleEventImpl(
+                        raw,
+                        event,
+                        bot,
+                    )
+
+                    is HeartbeatEvent -> OneBotHeartbeatEventImpl(
+                        raw,
+                        event,
+                        bot,
+                    )
+
+                    else -> OneBotDefaultMetaEventImpl(
+                        raw,
+                        event,
+                        bot
+                    )
+                }
+                //endregion
+
                 // TODO notice events
 
                 is UnknownEvent -> OneBotUnknownEvent(raw, event)
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/OneBotEventImpls.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/OneBotEventImpls.kt
new file mode 100644
index 00000000..991e736c
--- /dev/null
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/OneBotEventImpls.kt
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2024. ForteScarlet.
+ *
+ * This file is part of simbot-component-onebot.
+ *
+ * simbot-component-onebot is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * simbot-component-onebot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with simbot-component-onebot.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package love.forte.simbot.component.onebot.v11.core.event.internal
+
+import love.forte.simbot.component.onebot.v11.core.event.OneBotEvent
+
+internal fun OneBotEvent.eventToString(
+    eventName: String
+): String =
+    "$eventName(source=$sourceEvent, raw='$sourceEventRaw')"
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotGroupMessageEventImpl.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotGroupMessageEventImpl.kt
index 01e1332c..d13e5257 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotGroupMessageEventImpl.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotGroupMessageEventImpl.kt
@@ -25,6 +25,7 @@ import love.forte.simbot.component.onebot.v11.core.actor.internal.toGroup
 import love.forte.simbot.component.onebot.v11.core.actor.internal.toMember
 import love.forte.simbot.component.onebot.v11.core.bot.internal.OneBotBotImpl
 import love.forte.simbot.component.onebot.v11.core.bot.requestDataBy
+import love.forte.simbot.component.onebot.v11.core.event.internal.eventToString
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotAnonymousGroupMessageEvent
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotGroupMessageEvent
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotNormalGroupMessageEvent
@@ -101,6 +102,8 @@ internal class OneBotNormalGroupMessageEventImpl(
     override suspend fun author(): OneBotMember {
         return sourceEvent.sender.toMember(bot)
     }
+
+    override fun toString(): String = eventToString("OneBotNormalGroupMessageEvent")
 }
 
 
@@ -113,6 +116,8 @@ internal class OneBotAnonymousGroupMessageEventImpl(
     override suspend fun author(): OneBotMember {
         return sourceEvent.sender.toMember(bot)
     }
+
+    override fun toString(): String = eventToString("OneBotAnonymousGroupMessageEvent")
 }
 
 internal class OneBotNoticeGroupMessageEventImpl(
@@ -120,11 +125,15 @@ internal class OneBotNoticeGroupMessageEventImpl(
     override val sourceEvent: GroupMessageEvent,
     bot: OneBotBotImpl,
 ) : OneBotGroupMessageEventImpl(sourceEvent, bot),
-    OneBotNoticeGroupMessageEvent
+    OneBotNoticeGroupMessageEvent {
+    override fun toString(): String = eventToString("OneBotNoticeGroupMessageEvent")
+}
 
 
 internal class OneBotDefaultGroupMessageEventImpl(
     override val sourceEventRaw: String?,
     override val sourceEvent: GroupMessageEvent,
     bot: OneBotBotImpl,
-) : OneBotGroupMessageEventImpl(sourceEvent, bot)
+) : OneBotGroupMessageEventImpl(sourceEvent, bot) {
+    override fun toString(): String = eventToString("OneBotDefaultGroupMessageEvent")
+}
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotPrivateMessageEventImpl.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotPrivateMessageEventImpl.kt
index 4def09b4..8f454418 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotPrivateMessageEventImpl.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/message/OneBotPrivateMessageEventImpl.kt
@@ -26,6 +26,7 @@ import love.forte.simbot.component.onebot.v11.core.actor.internal.toFriend
 import love.forte.simbot.component.onebot.v11.core.actor.internal.toMember
 import love.forte.simbot.component.onebot.v11.core.bot.internal.OneBotBotImpl
 import love.forte.simbot.component.onebot.v11.core.bot.requestDataBy
+import love.forte.simbot.component.onebot.v11.core.event.internal.eventToString
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotFriendMessageEvent
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotGroupPrivateMessageEvent
 import love.forte.simbot.component.onebot.v11.core.event.message.OneBotPrivateMessageEvent
@@ -94,6 +95,9 @@ internal class OneBotFriendMessageEventImpl(
     override suspend fun content(): OneBotFriend {
         return sourceEvent.sender.toFriend(bot)
     }
+
+    override fun toString(): String =
+        eventToString("OneBotFriendMessageEvent")
 }
 
 internal class OneBotGroupPrivateMessageEventImpl(
@@ -111,10 +115,17 @@ internal class OneBotGroupPrivateMessageEventImpl(
         // 无法得知群号
         throw UnsupportedOperationException("Don't know how to get the group number from PrivateMessageEvent")
     }
+
+    override fun toString(): String =
+        eventToString("OneBotGroupPrivateMessageEvent")
 }
 
 internal class OneBotDefaultPrivateMessageEventImpl(
     override val sourceEventRaw: String?,
     sourceEvent: PrivateMessageEvent,
     bot: OneBotBotImpl,
-) : OneBotPrivateMessageEventImpl(sourceEvent, bot)
+) : OneBotPrivateMessageEventImpl(sourceEvent, bot) {
+
+    override fun toString(): String =
+        eventToString("OneBotDefaultPrivateMessageEvent")
+}
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/meta/OneBotMetaEventImpl.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/meta/OneBotMetaEventImpl.kt
new file mode 100644
index 00000000..c64cb9c0
--- /dev/null
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/meta/OneBotMetaEventImpl.kt
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2024. ForteScarlet.
+ *
+ * This file is part of simbot-component-onebot.
+ *
+ * simbot-component-onebot is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU Lesser General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * simbot-component-onebot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with simbot-component-onebot.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package love.forte.simbot.component.onebot.v11.core.event.internal.meta
+
+import love.forte.simbot.common.id.ID
+import love.forte.simbot.common.id.UUID
+import love.forte.simbot.common.time.Timestamp
+import love.forte.simbot.component.onebot.v11.core.bot.OneBotBot
+import love.forte.simbot.component.onebot.v11.core.event.internal.eventToString
+import love.forte.simbot.component.onebot.v11.core.event.meta.OneBotHeartbeatEvent
+import love.forte.simbot.component.onebot.v11.core.event.meta.OneBotLifecycleEvent
+import love.forte.simbot.component.onebot.v11.core.event.meta.OneBotMetaEvent
+import love.forte.simbot.component.onebot.v11.core.utils.timestamp
+import love.forte.simbot.component.onebot.v11.event.meta.HeartbeatEvent
+import love.forte.simbot.component.onebot.v11.event.meta.LifecycleEvent
+import love.forte.simbot.component.onebot.v11.event.meta.MetaEvent
+
+/**
+ * OneBot中的元事件类型。
+ * @author ForteScarlet
+ */
+internal abstract class OneBotMetaEventImpl : OneBotMetaEvent {
+    override val id: ID = UUID.random()
+
+    override val time: Timestamp
+        get() = sourceEvent.timestamp()
+}
+
+internal class OneBotHeartbeatEventImpl(
+    override val sourceEventRaw: String?,
+    override val sourceEvent: HeartbeatEvent,
+    override val bot: OneBotBot,
+) : OneBotHeartbeatEvent, OneBotMetaEventImpl() {
+    override fun toString(): String =
+        eventToString("OneBotHeartbeatEvent")
+}
+
+internal class OneBotLifecycleEventImpl(
+    override val sourceEventRaw: String?,
+    override val sourceEvent: LifecycleEvent,
+    override val bot: OneBotBot,
+) : OneBotLifecycleEvent, OneBotMetaEventImpl() {
+    override fun toString(): String =
+        eventToString("OneBotLifecycleEvent")
+}
+
+internal class OneBotDefaultMetaEventImpl(
+    override val sourceEventRaw: String?,
+    override val sourceEvent: MetaEvent,
+    override val bot: OneBotBot,
+) : OneBotMetaEventImpl() {
+    override fun toString(): String =
+        eventToString("OneBotDefaultMetaEvent")
+}
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/stage/OneBotBotStageEventImpl.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/stage/OneBotBotStageEventImpl.kt
index b13e8ed8..312a0b99 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/stage/OneBotBotStageEventImpl.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/internal/stage/OneBotBotStageEventImpl.kt
@@ -32,6 +32,9 @@ internal class OneBotBotRegisteredEventImpl(
 
     @OptIn(ExperimentalSimbotAPI::class)
     override val time: Timestamp = Timestamp.now()
+
+    override fun toString(): String =
+        "OneBotBotRegisteredEvent(bot=$bot)"
 }
 
 internal class OneBotBotStartedEventImpl(
@@ -41,4 +44,7 @@ internal class OneBotBotStartedEventImpl(
 
     @OptIn(ExperimentalSimbotAPI::class)
     override val time: Timestamp = Timestamp.now()
+
+    override fun toString(): String =
+        "OneBotBotStartedEvent(bot=$bot)"
 }
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/meta/OneBotMetaEvent.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/meta/OneBotMetaEvent.kt
index 843b82e8..621d8467 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/meta/OneBotMetaEvent.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/meta/OneBotMetaEvent.kt
@@ -17,7 +17,7 @@
 
 package love.forte.simbot.component.onebot.v11.core.event.meta
 
-import love.forte.simbot.component.onebot.v11.core.event.OneBotEvent
+import love.forte.simbot.component.onebot.v11.core.event.OneBotBotEvent
 import love.forte.simbot.component.onebot.v11.event.meta.MetaEvent
 
 
@@ -25,6 +25,6 @@ import love.forte.simbot.component.onebot.v11.event.meta.MetaEvent
  * OneBot中的元事件类型。
  * @author ForteScarlet
  */
-public interface OneBotMetaEvent : OneBotEvent {
+public interface OneBotMetaEvent : OneBotBotEvent {
     override val sourceEvent: MetaEvent
 }
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/request/OneBotRequestEvent.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/request/OneBotRequestEvent.kt
index 4e0cf1f8..35fb67ad 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/request/OneBotRequestEvent.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-core/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/core/event/request/OneBotRequestEvent.kt
@@ -18,12 +18,16 @@
 package love.forte.simbot.component.onebot.v11.core.event.request
 
 import love.forte.simbot.component.onebot.v11.core.event.OneBotBotEvent
+import love.forte.simbot.event.RequestEvent
 
+public typealias OBSourceRequestEvent = love.forte.simbot.component.onebot.v11.event.request.RequestEvent
 
 /**
+ * OneBot组件中的 [事件请求][love.forte.simbot.component.onebot.v11.event.request.RequestEvent]
+ * 的组件事件类型。
  *
  * @author ForteScarlet
  */
-public interface OneBotRequestEvent : OneBotBotEvent {
-    // TODO
+public interface OneBotRequestEvent : OneBotBotEvent, RequestEvent {
+    override val sourceEvent: OBSourceRequestEvent
 }
diff --git a/simbot-component-onebot-v11/simbot-component-onebot-v11-event/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/event/meta/LifecycleEvent.kt b/simbot-component-onebot-v11/simbot-component-onebot-v11-event/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/event/meta/LifecycleEvent.kt
index b6e02216..eb437679 100644
--- a/simbot-component-onebot-v11/simbot-component-onebot-v11-event/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/event/meta/LifecycleEvent.kt
+++ b/simbot-component-onebot-v11/simbot-component-onebot-v11-event/src/commonMain/kotlin/love/forte/simbot/component/onebot/v11/event/meta/LifecycleEvent.kt
@@ -32,7 +32,7 @@ import love.forte.simbot.component.onebot.v11.event.ExpectEventType
  * 只有正向 WebSocket 和反向 WebSocket 可以收到 `connect`。
  */
 @Serializable
-@ExpectEventType(postType = MetaEvent.POST_TYPE, subType = "private")
+@ExpectEventType(postType = MetaEvent.POST_TYPE, subType = "lifecycle")
 public data class LifecycleEvent(
     override val time: Long,
     @SerialName("self_id")