我的gulp安裝失敗，使用cnpm也是失敗，怎么回事呀？npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issuenpm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issuenpm WARN deprecated graceful-fs@1.2.3: graceful-fs v3.0.0 and before will fail on node releases >= v7.0. Please update to graceful-fs@^4.0.0 as soon as possible. Use 'npm ls graceful-fs' to find it in the tree.C:UsersmyhomeAppDataRoamingnpmgulp -> C:UsersmyhomeAppDataRoamingnpmnode_modulesgulpbingulp.jsC:UsersmyhomeAppDataRoamingnpm`-- gulp@3.9.1