message: build(version): remove version in bundle
diff: @@ -8,7 +8,6 @@ const rimraf = require('rimraf')
  const typescript = require('rollup-plugin-typescript2')
  const uglify = require('rollup-plugin-uglify').uglify
  const execa = require('execa')
  -const semver = require('semver')
  const ora = require('ora')
  const spinner = ora({
  prefixText: `${chalk.green('\n[building tasks]')}`
  @@ -58,11 +57,9 @@ function PascalCase(str){
  }
  const generateBanner = (packageName) => {
  - let { version }= require(resolve(`packages/${packageName}/package.json`))
  - version = semver.inc(version, 'prerelease')
  let ret =
  '/*!\n' +
  - ' * better-scroll / ' + packageName + ' v' + version + '\n' +
  + ' * better-scroll / ' + packageName + '\n' +
  ' * (c) 2016-' + new Date().getFullYear() + ' ustbhuangyi\n' +
  ' * Released under the MIT License.\n' +
  ' */'
  