diff --git a/wo.client.go b/wo.client.go
index 28785ef..436dab3 100644
--- a/wo.client.go
+++ b/wo.client.go
@@ -6,7 +6,16 @@ import (
 	"log"
 )
 
-func SendWoSms(cpcode, key string, msg, mobiles string, excode, templetId string, url ...string) (map[string]interface{}, error) {
+/**
+ * 发送联通融合通信短信
+ * @cpcode 商户编号
+ * @key accessKey
+ * @excode 扩展码
+ * @mobiles 手机号，多个用逗号隔开
+ * @templetId 模板id
+ * @msg 模板中变量的值，如果包含多个参数，以半角英文逗号分隔
+ */
+func SendWoSms(cpcode, key string, excode, mobiles string, templetId, msg string, url ...string) (map[string]interface{}, error) {
 
 	if cpcode == "" || key == "" {
 		return nil, errors.New("参数错误")