The K-line data obtained by using websocket is inconsistent with the real K-line data

Websocket
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The 4 values ​​of the candle chart do not correspond

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Hi, which stream was subscribed in the screenshot on right?

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btcusdt@kline_1s

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你好，我发现我订阅到的是先货网格的数据，所以参数应该是什么样子，我才能订阅到合约网格的数据呢，api文档里面也没写

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ok ,I found that I should use this parameter btcusdt_perpetual@continuousKline_1m