Why there's only one tick?

[ziyang2048]

[Sergey Golubev]

The daya/quotes/price is related to the broker you selected for your trading.
So, it is something about your broker or your connection to the broker's server.

[William Roeder]

Chart → Right-click → refresh

[ziyang2048]

Sergey Golubev #:
daya/报价/价格与您为交易选择的经纪商有关。
因此，这与您的代理或您与代理服务器的连接有关。

William Roeder #:
Chart → Right-click → refresh

thanks for answering.