message: fix better-scroll url
diff: <router-view class="view"></router-view>
  </transition>
  <footer class="site-footer">
  - <span class="site-footer-owner"><a href="https://github.com/ustbhuangyi/picker">BetterScroll</a> is maintained by <a
  + <span class="site-footer-owner"><a href="https://github.com/ustbhuangyi/better-scroll">BetterScroll</a> is maintained by <a
  href="https://github.com/ustbhuangyi">ustbhuangyi</a>.</span>
  </footer>
  </section>
  