diff --git a/qyweixin/app_customer.go b/qyweixin/app_customer.go
index 69367ce..2e05adf 100644
--- a/qyweixin/app_customer.go
+++ b/qyweixin/app_customer.go
@@ -23,11 +23,11 @@ var (
 	EventTypeEnterSession  = "enter_session"
 	EventTypeSessionChange = "session_status_change"
 
-	CustomerStateEnterSession = 0
-	CustomerStateRobot        = 1
-	CustomerStateWaitPool     = 2
-	CustomerStateServicing    = 3
-	CustomerStateComplete     = 4
+	CustomerStateEnterSession = 0 //未处理，新会话，用户已发消息
+	CustomerStateRobot        = 1 //由智能助手接待
+	CustomerStateWaitPool     = 2 //待接入池排队中
+	CustomerStateServicing    = 3 //由人工接待
+	CustomerStateComplete     = 4 //已结束/未开始
 )
 
 type CustomerAccount struct {
@@ -110,7 +110,7 @@ func (a *AppCustomer) AccountList() ([]*CustomerAccount, error) {
 }
 
 func (a *AppCustomer) ServicerList(openKfid string) ([]*CustomerServicer, error) {
-	reqUrl := fmt.Sprintf("https://qyapi.weixin.qq.com/cgi-bin/kf/service_state/trans?access_token=%s&open_kfid=%s", a.GetToken(), openKfid)
+	reqUrl := fmt.Sprintf("https://qyapi.weixin.qq.com/cgi-bin/kf/servicer/list?access_token=%s&open_kfid=%s", a.GetToken(), openKfid)
 
 	rspBody, err := util.HttpGet(reqUrl, nil)
 	if err != nil {