---
title: "MetaTrader 5 Client Terminal build 321 - 更新历史"
description: "发布说明: Terminal: Fixed and optimized synchronization of price history between the terminal and the server. - 更新历史"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
url: "https://www.metatrader5.com/zh/releasenotes/terminal/321"
---

# MetaTrader 5 Client Terminal build 321

## 发布说明: Terminal: Fixed and optimized synchronization of price history between the terminal and the server

8 九月 2010

1. Terminal: Fixed and optimized synchronization of price history between the terminal and the server.
2. Terminal: Fixed "freezing" of the LiveUpdate window after clicking "Refresh" on slow computers.
3. Terminal: Fixed synchronization of price history between the terminal and the server.
4. Tester: Added saving of optimization charts as an image and in a clipboard.
5. Tester: Added protection from endless cycles with the Sleep function.
6. Tester: Fixed the display of results of optimization by the profit factor.
7. Tester: Fixed writing of the profit factor in the file cache of optimization.
8. Tester: Fixed setting of a deal ticker in the MqlTradeResult structure.
9. Tester: Added a submenu for viewing logs of local testing agents.
10. Tester: Significantly accelerated testing using pending orders with a specified expiration date.
11. MQL5: Fixed display of trade request error description in the MqlTradeResult structure.
12. MQL5: Fixed operation of the OrderCheck function.
13. MetaEditor: Fixed crash when replacing all occurrences of a symbol in a document.
14. Fixed errors reported on the forum and in crash logs.

**请参阅前面的新闻：**

- [MetaTrader 5 Client Terminal build 319](https://www.metatrader5.com/zh/releasenotes/terminal/319)
- [MetaTrader 5 Client Terminal build 316](https://www.metatrader5.com/zh/releasenotes/terminal/316)
- [MetaTrader 5 Client Terminal build 314](https://www.metatrader5.com/zh/releasenotes/terminal/314)
- [MetaTrader 5 Client Terminal build 313](https://www.metatrader5.com/zh/releasenotes/terminal/313)
- [MetaTrader 5 Client Terminal build 306](https://www.metatrader5.com/zh/releasenotes/terminal/306)