报错：

λ gulp serve [18:22:40] Working directory changed to F:\new-gulp-test [18:22:41] Using gulpfile F:\new-gulp-test\gulpfile.js [18:22:41] Starting 'scss'... [18:22:41] 'scss' errored after 7.01 ms [18:22:41] ReferenceError: scss is not defined at Gulp. (F:\new-gulp-test\gulpfile.js:58:15) at module.exports (F:\new-gulp-test\node_modules\.npminstall\orchestrator\0.3.7\orchestrator\lib\runTask.js:34:7) at Gulp.Orchestrator._runTask (F:\new-gulp-test\node_modules\.npminstall\orchestrator\0.3.7\orchestrator\index.js:273:3) at Gulp.Orchestrator._runStep (F:\new-gulp-test\node_modules\.npminstall\orchestrator\0.3.7\orchestrator\index.js:214:10) at Gulp.Orchestrator.start (F:\new-gulp-test\node_modules\.npminstall\orchestrator\0.3.7\orchestrator\index.js:134:8) at C:\Users\Administrator\AppData\Roaming\npm\node_modules\.gulp_npminstall\gulp\3.9.1\gulp\bin\gulp.js:129:20 at nextTickCallbackWith0Args (node.js:420:9) at process._tickCallback (node.js:349:13) at Function.Module.runMain (module.js:443:11) at startup (node.js:139:18)

node_modules目录

gulpfile.js配置

var minifycss = require('gulp-minify-css'),// CSS压缩 uglify = require('gulp-uglify'),// js压缩 concat = require('gulp-concat'),// 合并文件 rename = require('gulp-rename'),// 重命名 clean = require('gulp-clean');//清空文件夹 var gulp = require('gulp'), sass = require('gulp-ruby-sass'); notify = require('gulp-notify'), plumber = require('gulp-plumber'); browserSync = require('browser-sync').create(), reload = browserSync.reload; gulp.task('serve', ['scss'], function() { browserSync.init({ server: "./stc" }); gulp.watch("stc/**/*.scss", ['scss']); gulp.watch("stc/*.html").on('change', reload); }); gulp.task('scss', function() { return gulp.src(['stc/scss/*.scss','!stc/scss/extend/{reset,test}.scss']) .pipe(plumber({errorHandler: notify.onError('Error: <%= error.message %>')})) .pipe(scss()) .pipe(gulp.dest("stc/css")) .pipe(reload({stream: true})); }); gulp.task('default', ['serve']);