fixed #1589 three_waves bug
fixed #1589 three_waves bug

cragod/hexo-theme-next,geekrainy/hexo-theme-next,mchsinx/hexo-theme-next,Austaras/hexo-theme-next,chaoskyme/hexo-theme-next,chaoskyme/hexo-theme-next,iissnan/hexo-theme-next