请问怎么用query_history这个函数来查询k线数据呢？ 完全找不到教程。写代码一直报错。

[Richardggm]

from vnpy_evo.event import EventEngine
from vnpy_evo.trader.engine import MainEngine
from vnpy_binance import BinanceSpotGateway, BinanceLinearGateway, BinanceInverseGateway
from vnpy.trader.object import HistoryRequest,Interval
from vnpy.trader.constant import Interval
from datetime import datetime, timedelta
from vnpy_evo.trader.constant import Exchange


# 初始化事件引擎和主引擎
event_engine = EventEngine()
main_engine = MainEngine(event_engine)

# 加载 Binance 网关
main_engine.add_gateway(BinanceSpotGateway)
main_engine.add_gateway(BinanceLinearGateway)
main_engine.add_gateway(BinanceInverseGateway)

gateway_names = main_engine.get_all_gateway_names()
print(gateway_names)

# 设置 Binance 的 REST 和 WebSocket 地址
main_engine.connect({
    "apiKey": "",
    "secretKey": "",
    "sessionCount": 3,
    "server": "REAL",  # 或 "TEST" 用于测试环境
    "proxy_host": "127.0.0.1",  # 代理服务器地址
    "proxy_port": 7890,     # 代理服务器端口
    "base_url": "https://api.binance.com" 
}, "BINANCE")


# 定义查询条件
history_req = HistoryRequest(
    symbol="BTC-USDT",       # 合约代码
    exchange=Exchange.BINANCE,   # 交易所代码
    start=datetime(2024, 12, 1),  # 开始时间
    end=datetime(2024, 12, 31),  # 结束时间
    interval=Interval.MINUTE      # 时间间隔
)

bardatalist = main_engine.query_history(history_req, gateway_name="BINANCE_SPOT")


print(bardatalist)。

报错：
发生异常: MissingSchema
Invalid URL '/api/v3/klines': No scheme supplied. Perhaps you meant https:///api/v3/klines?
File "D:\1-编程学习\3-自己做的任务\5.2vnpy国际版2025-2-25\test_vnpy2-重点.py", line 43, in
bardatalist = main_engine.query_history(history_req, gateway_name="BINANCE_SPOT")
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
requests.exceptions.MissingSchema: Invalid URL '/api/v3/klines': No scheme supplied. Perhaps you meant https:///api/v3/klines?