diff --git a/qyweixin/app_customer.go b/qyweixin/app_customer.go
index ef70e84..6d3635f 100644
--- a/qyweixin/app_customer.go
+++ b/qyweixin/app_customer.go
@@ -93,6 +93,8 @@ type CustomerEvent struct {
 	ChangeType        int    `json:"change_type"`
 	OldServicerUserid string `json:"old_servicer_userid"`
 	NewServicerUserid string `json:"new_servicer_userid"`
+	MsgCode           string `json:"msg_code"`
+	WelcomeCode       string `json:"welcome_code"`
 }
 
 type CustomerInfo struct {
@@ -263,6 +265,26 @@ func (a *AppCustomer) SendCustomerFile(openKfId, toUser, mediaId string) error {
 	})
 }
 
+func (a *AppCustomer) SendCustomerWelcome(code, message string) error {
+	reqUrl := fmt.Sprintf("https://qyapi.weixin.qq.com/cgi-bin/kf/send_msg_on_event?access_token=?access_token=%s", a.GetToken())
+	params := make(map[string]interface{})
+	params["code"] = code
+
+	params["text"] = map[string]interface{}{
+		"content": message,
+	}
+	reqBody, _ := json.Marshal(params)
+	rspBody, err := util.HttpPostJson(reqUrl, nil, reqBody)
+	if err != nil {
+		return err
+	}
+	_, err = a.GetResult(rspBody)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func (a *AppCustomer) sendCustomerMessage(openKfId, toUser, msgtype string, data interface{}) error {
 	reqUrl := fmt.Sprintf("https://qyapi.weixin.qq.com/cgi-bin/kf/send_msg?access_token=%s", a.GetToken())
 	params := make(map[string]interface{})