diff --git a/base.go b/base.go
new file mode 100644
index 0000000..47f0397
--- /dev/null
+++ b/base.go
@@ -0,0 +1,4 @@
+package aliyunx
+
+// type 
+
diff --git a/smsx/smsx.go b/smsx/smsx.go
index f8ce7ba..d7e1e09 100644
--- a/smsx/smsx.go
+++ b/smsx/smsx.go
@@ -1,8 +1,8 @@
 package smsx
 
 import (
+	"encoding/json"
 	"errors"
-	"fmt"
 
 	"github.com/aliyun/alibaba-cloud-sdk-go/services/dysmsapi"
 )
@@ -21,18 +21,19 @@ func NewSms(endPoint string, accessKeyId string, accessKeySecret string) *sms {
 	}
 }
 
-func (s *sms) Send(phone, code, signName, templateCode string) error {
+func (s *sms) Send(phone, signName, templateCode string, params map[string]interface{}) error {
 	client, err := dysmsapi.NewClientWithAccessKey(s.endPoint, s.accessKeyId, s.accessKeySecret)
 	if err != nil {
 		return err
 	}
+	paramBy, _ := json.Marshal(params)
 
 	req := dysmsapi.CreateSendSmsRequest()
 	req.Scheme = "https"
 	req.PhoneNumbers = phone
 	req.SignName = signName
 	req.TemplateCode = templateCode
-	req.TemplateParam = fmt.Sprintf(`{"code":"%s"}`, code)
+	req.TemplateParam = string(paramBy)
 	resp, err := client.SendSms(req)
 	// fmt.Printf("sms send: resp:%+v err:%+v", resp, err)