diff --git a/api_sns.go b/api_sns.go
index d096f40..2c690ee 100644
--- a/api_sns.go
+++ b/api_sns.go
@@ -47,23 +47,33 @@ type SnsUserResponse struct {
 }
 
 //SnsUserInfo 获取用户授权的个人信息详情
-func (c *DingTalkClient) SnsUserInfo(unionid string) (*SnsUserInfoResponse, error) {
-	var udata struct {
+func (c *DingTalkClient) SnsUserInfo(userid string) (*SnsUserInfoResponse, error) {
+
+	var data SnsUserInfoResponse
+	params := url.Values{}
+	params.Add("userid", userid)
+	err := c.httpRPC("user/get", params, nil, &data)
+	if err != nil {
+		return nil, err
+	}
+	return &data, err
+
+}
+
+// SnsUserid 获取用户ID
+func (c *DingTalkClient) SnsUserID(unionid string) (*string, error) {
+	var data struct {
 		OAPIResponse
 		UserID string `json:"userid"`
 	}
 
-	uparams := url.Values{}
-	uparams.Add("unionid", unionid)
-	err := c.httpRPC("user/getUseridByUnionid", uparams, nil, &udata)
+	params := url.Values{}
+	params.Add("unionid", unionid)
+	err := c.httpRPC("user/getUseridByUnionid", params, nil, &data)
 	if err != nil {
 		return nil, err
 	}
-	var userdata SnsUserInfoResponse
-	params := url.Values{}
-	params.Add("userid", udata.UserID)
-	err = c.httpRPC("user/get", params, nil, &userdata)
-	return &userdata, err
+	return &data.UserID, nil
 
 }
 
diff --git a/api_sns_test.go b/api_sns_test.go
index 0f18b00..89b4c14 100644
--- a/api_sns_test.go
+++ b/api_sns_test.go
@@ -6,7 +6,7 @@ import (
 )
 
 func TestSnsUserInfo(t *testing.T) {
-	userinfo, err := c.SnsUserInfo("rCn0WRcRdrnWRBsDyWEQKwiEiE")
+	userinfo, err := c.SnsUserInfo("351313653629177902")
 	if err != nil {
 		t.Fatal(err.Error())
 	}
@@ -20,3 +20,11 @@ func TestSnsUser(t *testing.T) {
 	}
 	fmt.Println(user)
 }
+
+func TestSnsUserID(t *testing.T) {
+	userid, err := c.SnsUserID("rCn0WRcRdrnWRBsDyWEQKwiEiE")
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	fmt.Println(userid)
+}