[BUG] 获取K线接口超时后，网格交易无法自动重试

[Iridescent-5]

01-27 15:56:16 [INFO] trader/binance_order_sync.go:79   📋 COMMISSION symbols found: 0 - []

01-27 15:56:16 [INFO] trader/binance_futures.go:177 🔄 Cache expired, calling Binance API to get position information...
01-27 15:56:16 [INFO] market/data.go:296 ⚠️ Failed to get ETHUSDT 4h K-line from CoinAnk: CoinAnk API error: Get "https://api.coinank.com/api/kline/list/open?exchange=Binance&interval=4h&side=to&size=200&symbol=ETHUSDT&ts=1769500566967": net/http: TLS handshake timeout
01-27 15:56:16 [INFO] trader/auto_trader.go:457 ❌ Grid execution failed: failed to build grid context: failed to get market data: Primary timeframe 5m K-line data is empty
01-27 15:56:16 [INFO] trader/auto_trader.go:485 ⏹ Automatic trading system stopped

使用的是日本服务器，前期可以正常启动，过段时间后，就没反应了，删除机器人，重新创建后（或者直接重启机器人）又可以正常运行一段时间后，但还是会复现
建议如果某次调用API失败后，间隔多少秒再次循环触发，直到可以正常响应为止