remote debugger can't work fine

In stable 112 version, remote debugger can't work fine!
I used cmd .\msedge.exe --headless=true --remote-debugging-port=0 https://www.baidu.com to open an browser. Then I in another browser to open http://127.0.0.1:4340/json ,choosed page's devtoolsFrontendUrl opened.
But it happend an error:

webSocket disconnected!!!
What can I do for this?