429 频率限制的情况，workerman如何提取状态码信息？

通过AsyncTcpConnection进行ws连接的时候，直接返回如下http频率限制信息。有没有哪些方法可以捕捉这信息进行相应的处理啊？

现在这种是直接输出，然后触发onclose，我想提取到429这种状态码。

Sec-WebSocket-Accept not found. Header:
HTTP/1.1 429 Too Many Requests
Date: Wed, 01 Sep 2021 01:01:16 GMT
Content-Type: application/json
Content-Length: 53
Connection: keep-alive
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