diff --git a/dto/enter_aio.go b/dto/enter_aio.go
new file mode 100644
index 0000000..6aebcdd
--- /dev/null
+++ b/dto/enter_aio.go
@@ -0,0 +1,7 @@
+package dto
+
+// EnterAIO 进入aio的事件
+type EnterAIO struct {
+	UserOpenid string `json:"user_openid,omitempty"` // 用户openid
+	FromSource string `json:"from_source,omitempty"` // 进入aio的来源
+}
diff --git a/dto/keyboard/keyboard.go b/dto/keyboard/keyboard.go
index d9a5693..71c5283 100644
--- a/dto/keyboard/keyboard.go
+++ b/dto/keyboard/keyboard.go
@@ -37,7 +37,13 @@ type MessageKeyboard struct {
 
 // CustomKeyboard 自定义 Keyboard
 type CustomKeyboard struct {
-	Rows []*Row `json:"rows,omitempty"` // 行数组
+	Rows  []*Row         `json:"rows,omitempty"`  // 行数组
+	Style *KeyboardStyle `json:"style,omitempty"` // 按钮样式
+}
+
+// KeyboardStyle 键盘样式
+type KeyboardStyle struct {
+	FontSize string `json:"font_size,omitempty"` // 字体大小
 }
 
 // Row 每行结构
diff --git a/dto/message_create.go b/dto/message_create.go
index b1a27a6..bf14a6d 100644
--- a/dto/message_create.go
+++ b/dto/message_create.go
@@ -71,6 +71,7 @@ type MessageToCreate struct {
 	PromptKeyboard   *PromptKeyboard           `json:"prompt_keyboard,omitempty"` // 消息扩展信息
 	ActionButton     *ActionButton             `json:"action_button,omitempty"`   // 消息操作结构
 	Stream           *Stream                   `json:"stream,omitempty"`          // 流式消息信息
+	FeatureID        uint                      `json:"feature_id,omitempty"`      // 控制消息发送
 }
 
 // Stream 流式消息信息
@@ -128,6 +129,13 @@ type Markdown struct {
 	CustomTemplateID string            `json:"custom_template_id"` // 自定义模板id
 	Params           []*MarkdownParams `json:"params"`             // 模版参数
 	Content          string            `json:"content"`            // 原生 markdown
+	Style            *MarkdownStyle    `json:"style"`              // markdown样式
+}
+
+// MarkdownStyle markdown 样式
+type MarkdownStyle struct {
+	MainFontSize string `json:"main_font_size"` // 正文字体大小 small middle large
+	Layout       string `json:"layout"`         // hide_avatar_and_center 隐藏头像并居中
 }
 
 // MarkdownParams markdown 模版参数 键值对
diff --git a/dto/websocket_event.go b/dto/websocket_event.go
index 0f35879..4414a8e 100644
--- a/dto/websocket_event.go
+++ b/dto/websocket_event.go
@@ -43,6 +43,7 @@ const (
 	EventSubscribeMsgStatus    EventType = "SUBSCRIBE_MESSAGE_STATUS"
 	EventC2CFriendAdd          EventType = "FRIEND_ADD"
 	EventC2CFriendDel          EventType = "FRIEND_DEL"
+	EventEnterAIO              EventType = "ENTER_AIO"
 )
 
 // intentEventMap 不同 intent 对应的事件定义
@@ -66,6 +67,7 @@ var intentEventMap = map[Intent][]EventType{
 		EventForumPostDelete, EventForumReplyCreate, EventForumReplyDelete, EventForumAuditResult,
 	},
 	IntentInteraction: {EventInteractionCreate},
+	IntentEnterAIO:    {EventEnterAIO},
 }
 
 var eventIntentMap = transposeIntentEventMap(intentEventMap)
diff --git a/dto/websocket_intent.go b/dto/websocket_intent.go
index d5903fa..4566823 100644
--- a/dto/websocket_intent.go
+++ b/dto/websocket_intent.go
@@ -43,6 +43,8 @@ const (
 	IntentDirectMessageReactions
 	IntentDirectMessageTyping
 
+	IntentEnterAIO Intent = 1 << 23 // 进入aio事件
+
 	// IntentGroupMessages 群消息事件
 	// - GROUP_AT_MESSAGE_CREATE // 群中@机器人时的消息
 	IntentGroupMessages Intent = 1 << 25 // 群消息事件
diff --git a/dto/websocket_payload.go b/dto/websocket_payload.go
index 58f1ab1..9aabd36 100644
--- a/dto/websocket_payload.go
+++ b/dto/websocket_payload.go
@@ -127,3 +127,6 @@ type WSC2CFriendData C2CFriendData
 
 // WSSubscribeMsgStatus 订阅消息模板授权状态变更事件
 type WSSubscribeMsgStatus SubscribeMessageStatusData
+
+// WSEnterAIOData 进入aio事件
+type WSEnterAIOData EnterAIO
diff --git a/event/event.go b/event/event.go
index 1c5994b..31cb5d7 100644
--- a/event/event.go
+++ b/event/event.go
@@ -60,6 +60,7 @@ var eventParseFuncMap = map[dto.OPCode]map[dto.EventType]eventParseFunc{
 		dto.EventSubscribeMsgStatus:   subscribeStatusHandler,
 		dto.EventC2CFriendAdd:         c2cFriendAddHandler,
 		dto.EventC2CFriendDel:         c2cFriendDelHandler,
+		dto.EventEnterAIO:             enterAIOHandler,
 	},
 }
 
@@ -342,3 +343,14 @@ func interactionHandler(payload *dto.WSPayload, message []byte) error {
 	}
 	return nil
 }
+
+func enterAIOHandler(payload *dto.WSPayload, message []byte) error {
+	data := &dto.WSEnterAIOData{}
+	if err := ParseData(message, data); err != nil {
+		return err
+	}
+	if DefaultHandlers.EnterAIO != nil {
+		return DefaultHandlers.EnterAIO(payload, data)
+	}
+	return nil
+}
diff --git a/event/register.go b/event/register.go
index 5849475..0949e2a 100644
--- a/event/register.go
+++ b/event/register.go
@@ -36,6 +36,8 @@ var DefaultHandlers struct {
 	C2CMessage         C2CMessageEventHandler
 	SubscribeMsgStatus SubscribeMsgStatusEventHandler
 	C2CFriend          C2CFriendEventHandler
+
+	EnterAIO EnterAIOEventHandler
 }
 
 // ReadyHandler 可以处理 ws 的 ready 事件
@@ -117,6 +119,9 @@ type C2CFriendEventHandler func(event *dto.WSPayload, data *dto.WSC2CFriendData)
 // SubscribeMsgStatusEventHandler 订阅消息模板授权状态变更事件 handler
 type SubscribeMsgStatusEventHandler func(event *dto.WSPayload, data *dto.WSSubscribeMsgStatus) error
 
+// EnterAIOEventHandler 进入AIO事件 handler
+type EnterAIOEventHandler func(event *dto.WSPayload, data *dto.WSEnterAIOData) error
+
 // RegisterHandlers 注册事件回调，并返回 intent 用于 websocket 的鉴权
 func RegisterHandlers(handlers ...interface{}) dto.Intent {
 	var i dto.Intent
@@ -143,6 +148,9 @@ func RegisterHandlers(handlers ...interface{}) dto.Intent {
 		case C2CFriendEventHandler:
 			DefaultHandlers.C2CFriend = handle
 			i = i | dto.EventToIntent(dto.EventC2CFriendAdd)
+		case EnterAIOEventHandler:
+			DefaultHandlers.EnterAIO = handle
+			i = i | dto.EventToIntent(dto.EventEnterAIO)
 		default:
 		}
 	}