原有的项目，升级了开发工具到最新，依赖版本也是2.3， 在项目根目录下执行npm build --production , 然后在开发工具上选择：工具-》构建npm， 执行失败：错误信息如下：

发生错误
SyntaxError: Unexpected character '#' (1:0)SyntaxError: Unexpected character '#' (1:0)
at Parser.pp$4.raise (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:2610:13)
at Parser.pp$8.getTokenFromCode (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:3252:8)
at Parser.pp$8.readToken (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:2975:15)
at Parser.pp$8.nextToken (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:2966:15)
at Parser.parse (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:542:8)
at Proxy.parse (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/node_modules/acorn/dist/acorn.js:3669:37)
at i (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/js/bc2b895ee57942c71d19191b1e204b79.js:1:1177)
at j (/Applications/wechatwebdevtools.app/Contents/Resources/package.nw/js/bc2b895ee57942c71d19191b1e204b79.js:1:5677)
at <anonymous>