    result = searchItem.query(location);
                                if(result.length>10){
                                    result = 10;
                                }
                                return result;
                            }
                            return [];
                        }
                    });
                });

                // 行政区划历史查询
                $.getJSON('https://passer-by.com/data_location/history.json',function(map){
           