卡住老半天了，解决不了。。。
lichdeMacBook-Pro:syFront lichking2015$ cnpm i webpack-dev-server --save-dev ✖ Install fail! Error: [[email protected] › [email protected] › @webassemblyjs/[email protected] › @webassemblyjs/helper-buf [email protected]] Can't find package @webassemblyjs/helper-buffer's version: 1.4.2 Error: [[email protected] › [email protected] › @webassemblyjs/[email protected] › @webassemblyjs/[email protected]] Can't find package @webassemblyjs/helper-buffer's version: 1.4.2 at resolve (/usr/local/lib/node_modules/cnpm/node_modules/npminstall/lib/download/npm.js:91:11) at resolve.next (<anonymous>) at onFulfilled (/usr/local/lib/node_modules/cnpm/node_modules/co/index.js:65:19) at <anonymous> at process._tickCallback (internal/process/next_tick.js:118:7) npminstall version: 3.5.0 npminstall args: /usr/local/bin/node /usr/local/lib/node_modules/cnpm/node_modules/npminstall/bin/install.js --fix-bug-versio ns --china --userconfig=/Users/lichking2015/.cnpmrc --disturl=https://npm.taobao.org/mirrors/node --registry=https://registry .npm.taobao.org webpack-dev-server --save-dev