运行gulp的时候出错

[sun_shine_wei]

E:\python\untitled\health\front>gulp
E:\python\untitled\health\front\node_modules\gulp-cache\lib\index.js:60
async _processFileAsync(inputFile, signals = new EventEmitter()) {
^^^^^^^^^^^^^^^^^
SyntaxError: Unexpected identifier
at Object.exports.runInThisContext (vm.js:76:16)
at Module._compile (module.js:528:28)
at Object.Module._extensions..js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
at Function.Module._load (module.js:424:3)
at Module.require (module.js:483:17)
at require (internal/module.js:20:19)
at Object.<anonymous> (E:\python\untitled\health\front\gulpfile.js:6:13)
at Module._compile (module.js:556:32)
出现这样的错误是为什么？是因为包安装的时候没有安装完全还是怎么回事

[子午]

gulp-cache这个包有问题，可以尝试在gulpfile.js中注释掉var cache = require('gulp-cache'); 在运行试一下