MVC 中视图返回Code码到控制器中获取不到

dd.runtime.permission.requestAuthCode({
        corpId: _config.corpId,
        onSuccess: function (result) {

                                            logger.i('authcode: = ' + result["code"]);
                                                //location.href="/MESExceptionManager/Details?code="+info["code"];
                                                    $.ajax({
                                                      url: '/MESExceptionManager/Details',
                                                            type: "POST",
                                                            data: { "code": result["code"], "id": '@Model.LngMESExceptionID' },
                                                            dataType:'join',
                                                            timeout:900,
                                                            success:function(data, status, xhr){
                                                                                                  var info = JSON.parse(data);
                                                                                                  if (info.errcode === 0)
                                                                                                  {
                                                                                                    logger.i('user id:' + info.userid);
                                                                                                    dd.userid = info.userid;
                                                                                                  }
                                                                                                  else
                                                                                                  {
                                                                                                    logger.e('auth error:' + data);
                                                                                                  }
                                                                                              },
                                                            error: function(xhr, errorType, error){
                                                                                                    logger.e(errorType +',' + error);
                                                                                                  }
                                                          });