diff --git a/platformapi/dingdingapi/qrcode.go b/platformapi/dingdingapi/qrcode.go
index aff00f18..2c718228 100644
--- a/platformapi/dingdingapi/qrcode.go
+++ b/platformapi/dingdingapi/qrcode.go
@@ -33,9 +33,7 @@ type UserGetByUnionIdRsp struct {
 
 //根据union获取用户user_id
 func (a *API) GetByUnionID(unionID string) (userInfo *UserGetByUnionIdRsp, err error) {
-	result, err := a.AccessAPI("topapi/user/getbyunionid", nil, map[string]interface{}{
-		"unionid": unionID,
-	})
+	result, err := a.AccessAPI("topapi/user/getbyunionid", utils.Params2Map("unionid", unionID), nil)
 	globals.SugarLogger.Debug("result=================", result)
 	if err != nil {
 		globals.SugarLogger.Debug("err=================", err)