我的开发环境是Vagrant ScotchBox，节点6.6.2，Npm 3.9.5。
我正在尝试使用Mix编译Laravel项目的资产。
yarn install
yarn run dev
与yarn run dev我得到sh：1：跨环境：权限被拒绝
yarn install
yarn run dev
拜托，有人可以帮我吗？
问候
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也许我的package.json是错误的
sh: 1: cross-env: Permission denied
npm ERR! Linux 3.13.0-55-generic
npm ERR! argv "/home/vagrant/.nvm/versions/node/v6.2.2/bin/node" "/home/vagrant/.nvm/versions/node/v6.2.2/bin/npm" "run" "development"
npm ERR! node v6.2.2
npm ERR! npm v3.9.5
npm ERR! code ELIFECYCLE
npm ERR! @ development: `cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js`
npm ERR! Exit status 126
npm ERR!
npm ERR! Failed at the @ development script 'cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js …