Message in Chinese (Simplified) (中文(简体))
与当前 WebSocket 连接相关联的起始握手属性不可用。原因很可能是因为没有设置从自定义“<var>Y</var>”返回的“<var>X</var>”对象上的“<var>Property Name</var>”属性。
Unlocalized message
The opening handshake properties associated with the current WebSocket connection are not available. The most likely cause is that the property '<var>Property Name</var>' on the '<var>X</var>' object returned from the custom '<var>Y</var>' is not set.
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