gulp fails bitcore-lib

[anoder]

>gulp test:browser
[04:14:06] Using gulpfile ~\Desktop\Projects\bitcorelib\bitcore-lib\gulpfile.js
[04:14:06] Starting 'test:browser'...
[04:14:06] Starting '<anonymous>'...
'.' is not recognized as an internal or external command,
operable program or batch file.
[04:14:06] '<anonymous>' errored after 34 ms
[04:14:06] Error in plugin "gulp-shell"
Message:
    Command `./node_modules/.bin/browserify --require ./index.js:bitcore-lib -o bitcore-lib.js` failed with exit code 1
[04:14:06] 'test:browser' errored after 42 ms

[Lbt777]

Have you solved the problem？ I had the same problem.