nowa 1.2.1 uninstall Windows 错误

[ywzhaiqi]

运行命令 npm uninstall -g nowa，结果错误

> nowa@1.2.1 preuninstall C:\Users\XXX\AppData\Roaming\npm\node_modules\nowa
> node ./uninstall.js

C:\Users\XXX\.nowa\install\.bin\rimraf:2
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
          ^^^^^^^

SyntaxError: missing ) after argument list
    at createScript (vm.js:74:10)
    at Object.runInThisContext (vm.js:116:10)
    at Module._compile (module.js:537:28)
    at Object.Module._extensions..js (module.js:584:10)
    at Module.load (module.js:507:32)
    at tryModuleLoad (module.js:470:12)
    at Function.Module._load (module.js:462:3)
    at Function.Module.runMain (module.js:609:10)
    at startup (bootstrap_node.js:158:16)
    at bootstrap_node.js:598:3
child_process.js:634
    throw err;
    ^

Error: Command failed: node C:\Users\XXX\.nowa\install\.bin\rimraf ../nowa-* C:\Users\XXX\.nowa\install\*
C:\Users\XXX\.nowa\install\.bin\rimraf:2
basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')")
          ^^^^^^^

SyntaxError: missing ) after argument list

只好手动运行 C:\Users\XXX\.nowa\install\.bin\rimraf.cmd ../nowa-* C:\Users\XXX\.nowa\install\*

[gbk]

是用 cmd 执行的么？
可否用 bash 来跑？