使用这个 ts-node-dev --poll src/index.ts 已经解决，现在正常了，感谢。

收到，使用这个 ts-node-dev --poll src/index.ts 已经解决，现在正常了，感谢。

我的版本是 v14.17.0 如果可以还是想把这个后端弄起来。

老师不好意思，我已经 yarn install 了可还是不行，数据库已经安装完毕了，麻烦您在帮满看一下。
(base) kaiyi@L490_Dev:~/Desktop/antdpro/antdprov5-server-maste$ yarn install
yarn install v1.22.10
[1/4] Resolving packages...
success Already up-to-date.
Done in 0.34s.
(base) kaiyi@L490_Dev:~/Desktop/antdpro/antdprov5-server-maste$ yarn start
yarn run v1.22.10
$ ts-node-dev --respawn src/index.ts
Using ts-node version 8.4.1, typescript version 3.6.4
TypeError [ERR_FEATURE_UNAVAILABLE_ON_PLATFORM]: The feature watch recursively is unavailable on the current platform, which is being used to run Node.js
at Object.watch (fs.js:1521:11)
at add (/home/kaiyi/Desktop/antdpro/antdprov5-server-maste/node_modules/filewatcher/index.js:74:34)
at /home/kaiyi/Desktop/antdpro/antdprov5-server-maste/node_modules/filewatcher/index.js:93:5
at FSReqCallback.oncomplete (fs.js:184:5)
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.