如果你遇到以下情况说明你来对地方了
进入/node_modules/dist/sockjs.-client/dist/sockjs.js 将1606行的self.xhr.send(payload)注释
进入/node_modules/dist/sockjs.-client/dist/sockjs.js
将1606行的self.xhr.send(payload)注释
OK,结束
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