Can not Start

[Core2002]

PS D:\_Code\chat> npm start

> start
> dora --plugins "proxy?watchDirs=./mock,webpack,webpack-hmr"

          proxy: load rule from proxy.config.js
(node:17420) Warning: Accessing non-existent property 'VERSION' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
D:\_Code\chat\node_modules\dora\lib\plugin.js:157
          throw new Error(err);
                ^

Error: Error: ReferenceError: util is not defined
    at D:\_Code\chat\node_modules\dora\lib\plugin.js:157:17
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
PS D:\_Code\chat> npm -v
8.1.0
PS D:\_Code\chat> node -v
v16.13.0
PS D:\_Code\chat>