$ npm i egg-sftp2 --save
or
$ pnpm add egg-sftp2
// {app_root}/config/plugin.js
exports.sftp = {
enable: true,
package: 'egg-sftp',
};
// {app_root}/config/config.default.js
exports.sftp = {
};
see config/config.default.js for more detail.
Please open an issue here.