diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 43188700..834671db 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -98,4 +98,5 @@ jobs:
           title: 'update: mirai-api-http ${{ steps.tag.outputs.tag }}'
           branch: create-pull-request/mah-update-version
           delete-branch: true
+          path: ./mirai-repo-mirror
           base: master
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b8457eec..7e5ea45a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,12 @@
 # 更新日志
 
 
-## \[2.9.0\] - 2023-3-2
+## \[2.9.1\] - 2023-3-2
 
 ### 修复
 
 + websocket 异常断开时连接无法释放
++ ForwardMessage 的 `display` 字段中属性可空 @ProgramRipper
 
 ### 新增
 
diff --git a/docs/api/EventType.md b/docs/api/EventType.md
index 907b4cdc..c54e7bbd 100644
--- a/docs/api/EventType.md
+++ b/docs/api/EventType.md
@@ -145,6 +145,49 @@
 
 
 
+### 添加好友
+
+```json5
+{
+  "type": "FriendAddEvent",
+  "friend": {
+    "id": 123123,
+    "nickname": "nick",
+    "remark": "remark"
+  },
+  "stranger": true
+}
+```
+
+| 名字       | 类型   | 说明                                                                            |
+|----------| ------ |-------------------------------------------------------------------------------|
+| id       | Long   | 好友 QQ 号码                                                                      |
+| nickname | String | 好友昵称(值不确定)                                                                    |
+| remark   | String | 好友备注                                                                          |
+| stranger | String | 是否为陌生人添加，若为 `true` 对应为 `StrangerRelationChangeEvent.Friended` 的 mirai 事件，否则为 `FriendAddEvent` |
+
+
+### 好友删除
+
+```json5
+{
+  "type": "FriendDeleteEvent",
+  "friend": {
+    "id": 123123,
+    "nickname": "nick",
+    "remark": "remark"
+  }
+}
+```
+
+| 名字             | 类型   | 说明                                          |
+| ---------------- | ------ | --------------------------------------------- |
+| id               | Long   | 好友 QQ 号码     |
+| nickname         | String | 好友昵称(值不确定)     |
+| remark           | String | 好友备注                          |
+
+
+
 
 ## 群事件
 
diff --git a/gradle.properties b/gradle.properties
index 037ce682..344ec453 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ kotlin.incremental.multiplatform=true
 org.gradle.parallel=true
 
 # build
-httpVersion=2.9.0
+httpVersion=2.9.1
 
 # kotlin
 kotlinVersion=1.8.10
diff --git a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/convertor/event.kt b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/convertor/event.kt
index 60cecbac..85c4e57d 100644
--- a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/convertor/event.kt
+++ b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/convertor/event.kt
@@ -132,6 +132,9 @@ internal suspend fun BotEvent.convertBotEvent() = when (this) {
         member = if (sender.user != null && sender.user is Member) { MemberDTO(sender.user as Member) } else { null },
         args = args.toDTO { it != UnknownMessageDTO }
     )
+    is FriendAddEvent -> FriendAddEventDTO(QQDTO(friend), false)
+    is FriendDeleteEvent -> FriendDeleteEventDTO(QQDTO(friend))
+    is StrangerRelationChangeEvent.Friended -> FriendAddEventDTO(QQDTO(friend), true)
     else -> {
         if(MahContextHolder.debug) {
             MahContextHolder.debugLog.debug { "Unknown event: ${this.javaClass.simpleName}" }
diff --git a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/event.kt b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/event.kt
index 54599800..3d6f7726 100644
--- a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/event.kt
+++ b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/event.kt
@@ -258,6 +258,19 @@ internal data class FriendInputStatusChangedEventDTO(
     val inputting: Boolean,
 ) : BotEventDTO()
 
+@Serializable
+@SerialName("FriendAddEvent")
+internal data class FriendAddEventDTO(
+    val friend: QQDTO,
+    val stranger: Boolean
+) : BotEventDTO()
+
+@Serializable
+@SerialName("FriendDeleteEvent")
+internal data class FriendDeleteEventDTO(
+    val friend: QQDTO
+) : BotEventDTO()
+
 @Serializable
 @SerialName("FriendNickChangedEvent")
 internal data class FriendNickChangedEventDTO(
diff --git a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/message.kt b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/message.kt
index 8156cdc6..72663609 100644
--- a/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/message.kt
+++ b/mirai-api-http/src/main/kotlin/net/mamoe/mirai/api/http/adapter/internal/dto/message.kt
@@ -345,7 +345,7 @@ internal data class MusicShareDTO(
 @Serializable
 @SerialName("Forward")
 internal data class ForwardMessageDTO(
-    val display: ForwardMessageDisplayDTO?,
+    val display: ForwardMessageDisplayDTO? = null,
     val nodeList: List<ForwardMessageNode>,
 ) : MessageDTO() {
     @OptIn(ConsoleExperimentalApi::class)
@@ -372,11 +372,11 @@ internal data class ForwardMessageDTO(
 
 @Serializable
 internal data class ForwardMessageDisplayDTO(
-    val brief: String?,
-    val preview: List<String>?,
-    val source: String?,
-    val summary: String?,
-    val title: String?,
+    val brief: String? = null,
+    val preview: List<String>? = null,
+    val source: String? = null,
+    val summary: String? = null,
+    val title: String? = null,
 ) : ForwardMessage.DisplayStrategy {
     override fun generateBrief(forward: RawForwardMessage) = brief ?: super.generateBrief(forward)
     override fun generatePreview(forward: RawForwardMessage) = preview ?: super.generatePreview(forward)
diff --git a/mirai-api-http/src/main/resources/plugin.yml b/mirai-api-http/src/main/resources/plugin.yml
index f9735f96..18912a5a 100644
--- a/mirai-api-http/src/main/resources/plugin.yml
+++ b/mirai-api-http/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 id: net.mamoe.mirai-api-http
 name: mirai-api-http
 main: net.mamoe.mirai.api.http.HttpApiPluginBase
-version: 2.9.0
+version: 2.9.1
 author: ryoii
 info: Mirai HTTP API Server Plugin
\ No newline at end of file