乱码 Invalid value of RSV while no Extension Negotiated

[okdelphi]

这些日子把 websocket加入到实际应用中，客户端是.net的websocket，中间有交互发送，根据一个类型判断，刚开始还好，数据都是json数据，可是运行一段时间后，出现乱码情况，主要是，后来我用sgc的websocket客户端连接 websocket服务端，运行一段时间后，也会出现乱码情况，主要表现为服务端向客户端wssend方法，客户端的日志如下：
[13:11:57.074][19156][DEBUG]:recv:{"resultCode":"201","token":"","gatherTime":"2022-06-11T13:12:07.736","uID":"CEF8237DE580448CAE8282A01E4A98F9","reason":"Success","errorCode":0}
[13:11:57.896][19156][DEBUG]:recv:�~� {"resultCode":"201","token":"","gatherTime":"2022-06-11T13:12:08.361","uID":"cb2c845cd6474bf0a2f0d4370e5ca919","reason":"Success","errorCode
[13:11:57.906][19156][DEBUG]:#disconnected (0)
[13:11:57.912][19156][DEBUG]:#exception: Invalid value of RSV while no Extension Negotiated
附件为.net 客户端接收到乱码的截图