Error reporting description
After running NPM run serve, the interface has been called in the network: http:// * * */sockjs node/info?t=***
Error reporting reason
Sockjs node is a JavaScript library that provides cross browser JavaScript APIs and creates a low latency, full duplex communication channel between browsers and web servers.
There are related calls in the dependent source code
Solution
CTRL + P open file node_modules\sockjs-client\dist\sockjs.JS
Ctrl + G jump to line 1611
refer to the figure below, comment out the call of line 1611, and restart the project