diff --git a/api.go b/api.go
index 18fa0ce..71f94e0 100644
--- a/api.go
+++ b/api.go
@@ -5,3 +5,16 @@ type BaseResponse struct {
 	Code int    `json:"code"`
 	Msg  string `json:"msg"`
 }
+
+// I18NNames .
+type I18NNames struct {
+	ZhCN string `json:"zh_cn,omitempty"`
+	EnUS string `json:"en_us,omitempty"`
+	JaJP string `json:"ja_jp,omitempty"`
+}
+
+// WithUserIDType .
+func (bot *Bot) WithUserIDType(userIDType string) *Bot {
+	bot.userIDType = userIDType
+	return bot
+}
diff --git a/api_chat.go b/api_chat.go
index eca4879..b7606ff 100644
--- a/api_chat.go
+++ b/api_chat.go
@@ -7,6 +7,8 @@ import (
 
 const (
 	getChatURL          = "/open-apis/im/v1/chats/%s?user_id_type=%s"
+	listChatURL         = "/open-apis/im/v1/chats?user_id_type=%s&sort_type=%s&page_token=%s&page_size=%d"
+	searchChatURL       = "/open-apis/im/v1/chats/search?user_id_type=%s&query=%s&page_token=%s&page_size=%d"
 	updateChatURL       = "/open-apis/im/v1/chats/%s?user_id_type=%s"
 	createChatURL       = "/open-apis/im/v1/chats?user_id_type=%s"
 	deleteChatURL       = "/open-apis/im/v1/chats/%s"
@@ -26,13 +28,6 @@ type GetChatResponse struct {
 	Data ChatInfo `json:"data"`
 }
 
-// I18NNames .
-type I18NNames struct {
-	ZhCN string `json:"zh_cn,omitempty"`
-	EnUS string `json:"en_us,omitempty"`
-	JaJP string `json:"ja_jp,omitempty"`
-}
-
 // ChatInfo entity of a chat, not every field is available for every API.
 type ChatInfo struct {
 	ChatID                 string    `json:"chat_id,omitempty"`
@@ -56,6 +51,29 @@ type ChatInfo struct {
 	External               bool      `json:"external,omitempty"`
 }
 
+// ListChatResponse .
+type ListChatResponse struct {
+	BaseResponse
+
+	Data struct {
+		Items     []ChatListInfo `json:"items"`
+		PageToken string         `json:"page_token"`
+		HasMore   bool           `json:"has_more"`
+	} `json:"data"`
+}
+
+// ChatListInfo .
+type ChatListInfo struct {
+	ChatID      string `json:"chat_id,omitempty"`
+	Name        string `json:"name,omitempty"`
+	Avatar      string `json:"avatar,omitempty"`
+	Description string `json:"description,omitempty"`
+	OwnerIDType string `json:"owner_id_type,omitempty"`
+	OwnerID     string `json:"owner_id,omitempty"`
+	External    bool   `json:"external,omitempty"`
+	TenantKey   string `json:"tenant_key"`
+}
+
 // CreateChatRequest .
 type CreateChatRequest struct {
 	Name                   string    `json:"name,omitempty"`
@@ -184,12 +202,6 @@ type SetTopNoticeResponse = BaseResponse
 // DeleteTopNoticeResponse .
 type DeleteTopNoticeResponse = BaseResponse
 
-// WithUserIDType .
-func (bot *Bot) WithUserIDType(userIDType string) *Bot {
-	bot.userIDType = userIDType
-	return bot
-}
-
 // GetChat .
 func (bot Bot) GetChat(chatID string) (*GetChatResponse, error) {
 	var respData GetChatResponse
@@ -197,6 +209,30 @@ func (bot Bot) GetChat(chatID string) (*GetChatResponse, error) {
 	return &respData, err
 }
 
+// ListChat list chats
+// sortType: ByCreateTimeAsc/ByActiveTimeDesc
+func (bot Bot) ListChat(sortType string, pageToken string, pageSize int) (*ListChatResponse, error) {
+	var respData ListChatResponse
+	if sortType == "" {
+		sortType = "ByCreateTimeAsc"
+	}
+	err := bot.GetAPIRequest(
+		"ListChat",
+		fmt.Sprintf(listChatURL, bot.userIDType, sortType, pageToken, pageSize),
+		true, nil, &respData)
+	return &respData, err
+}
+
+// SearchChat search chat
+func (bot Bot) SearchChat(query string, pageToken string, pageSize int) (*ListChatResponse, error) {
+	var respData ListChatResponse
+	err := bot.GetAPIRequest(
+		"SearchChat",
+		fmt.Sprintf(searchChatURL, bot.userIDType, query, pageToken, pageSize),
+		true, nil, &respData)
+	return &respData, err
+}
+
 // CreateChat .
 func (bot Bot) CreateChat(req CreateChatRequest) (*CreateChatResponse, error) {
 	var respData CreateChatResponse
diff --git a/api_chat_test.go b/api_chat_test.go
index f6310c9..299392f 100644
--- a/api_chat_test.go
+++ b/api_chat_test.go
@@ -2,6 +2,7 @@ package lark
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 	"time"
 
@@ -21,6 +22,34 @@ func TestChatInfo(t *testing.T) {
 	}
 }
 
+func TestChatList(t *testing.T) {
+	bot.WithUserIDType(UIDOpenID)
+	assert.Equal(t, UIDOpenID, bot.userIDType)
+	resp, err := bot.ListChat("ByCreateTimeAsc", "", 10)
+	if assert.NoError(t, err) {
+		assert.Equal(t, 0, resp.Code)
+		assert.NotEmpty(t, resp.Data.Items)
+		t.Log(resp.Data.Items[0])
+	}
+}
+
+func TestChatSearch(t *testing.T) {
+	bot.WithUserIDType(UIDOpenID)
+	assert.Equal(t, UIDOpenID, bot.userIDType)
+	resp, err := bot.SearchChat("go-lark", "", 10)
+	if assert.NoError(t, err) {
+		assert.Equal(t, 0, resp.Code)
+		if assert.NotEmpty(t, resp.Data.Items) {
+			for _, item := range resp.Data.Items {
+				if !strings.Contains(item.Name, "go-lark") {
+					t.Error(item.Name, "does not contain go-lark")
+				}
+			}
+		}
+		t.Log(resp.Data.Items)
+	}
+}
+
 func TestChatCRUD(t *testing.T) {
 	bot.WithUserIDType(UIDOpenID)
 	resp, err := bot.CreateChat(CreateChatRequest{
diff --git a/api_message_test.go b/api_message_test.go
index 0a529ec..8c65ca6 100644
--- a/api_message_test.go
+++ b/api_message_test.go
@@ -409,13 +409,6 @@ func TestMessageCRUD(t *testing.T) {
 	if assert.NoError(t, err) {
 		t.Log(receipt.Data.ReadUsers)
 	}
-	// receipt read
-	receiptOld, err := bot.MessageReadReceipt(testMessageID)
-	if assert.NoError(t, err) {
-		// failed because the message ID will be outdated after tens of days
-		// assert.NotEmpty(t, receiptOld.Data.ReadUsers)
-		t.Log(receiptOld.Data.ReadUsers)
-	}
 }
 
 func TestIdempotentMessage(t *testing.T) {
@@ -437,12 +430,18 @@ func TestIdempotentMessage(t *testing.T) {
 }
 
 func TestPinMessages(t *testing.T) {
-	resp, err := bot.PinMessage(testMessageID)
+	msg := NewMsgBuffer(MsgText)
+	om := msg.BindEmail(testUserEmail).Text("hello, world").Build()
+	resp, err := bot.PostMessage(om)
 	if assert.NoError(t, err) {
-		assert.Equal(t, 0, resp.Code)
-		assert.Equal(t, testMessageID, resp.Data.Pin.MessageID)
-		unpinResp, err := bot.UnpinMessage(testMessageID)
-		assert.NoError(t, err)
-		assert.Equal(t, 0, unpinResp.Code)
+		messageID := resp.Data.MessageID
+		resp, err := bot.PinMessage(messageID)
+		if assert.NoError(t, err) {
+			assert.Equal(t, 0, resp.Code)
+			assert.Equal(t, messageID, resp.Data.Pin.MessageID)
+			unpinResp, err := bot.UnpinMessage(messageID)
+			assert.NoError(t, err)
+			assert.Equal(t, 0, unpinResp.Code)
+		}
 	}
 }
diff --git a/lark_test.go b/lark_test.go
index 8502574..d9cebfc 100644
--- a/lark_test.go
+++ b/lark_test.go
@@ -24,7 +24,6 @@ var (
 	testUserID          string
 	testUserUnionID     string
 	testGroupChatID     string
-	testMessageID       string
 	testWebhookV1       string
 	testWebhookV2       string
 	testWebhookV2Signed string
@@ -48,7 +47,6 @@ func newTestBot() *Bot {
 	testUserUnionID = os.Getenv("LARK_UNION_ID")
 	testUserOpenID = os.Getenv("LARK_OPEN_ID")
 	testGroupChatID = os.Getenv("LARK_CHAT_ID")
-	testMessageID = os.Getenv("LARK_MESSAGE_ID")
 	testWebhookV1 = os.Getenv("LARK_WEBHOOK_V1")
 	testWebhookV2 = os.Getenv("LARK_WEBHOOK_V2")
 	testWebhookV2Signed = os.Getenv("LARK_WEBHOOK_V2_SIGNED")
@@ -58,8 +56,7 @@ func newTestBot() *Bot {
 		len(testUserID) == 0 ||
 		len(testUserUnionID) == 0 ||
 		len(testUserOpenID) == 0 ||
-		len(testGroupChatID) == 0 ||
-		len(testMessageID) == 0 {
+		len(testGroupChatID) == 0 {
 		panic("insufficient test environment")
 	}
 	return NewChatBot(testAppID, testAppSecret)
diff --git a/msg_buf_test.go b/msg_buf_test.go
index 1af4820..9f54e65 100644
--- a/msg_buf_test.go
+++ b/msg_buf_test.go
@@ -39,8 +39,8 @@ func TestBindingUserIDs(t *testing.T) {
 	assert.Equal(t, "333444", msgUserID.UserID)
 
 	mb.Clear()
-	msgReplyID := mb.BindReply(testMessageID).Build()
-	assert.Equal(t, testMessageID, msgReplyID.RootID)
+	msgReplyID := mb.BindReply("om_f779ffe0ffa3d1b94fc1ef5fcb6f1063").Build()
+	assert.Equal(t, "om_f779ffe0ffa3d1b94fc1ef5fcb6f1063", msgReplyID.RootID)
 }
 
 func TestMsgShareChat(t *testing.T) {