const yzhanbg = new YZhanBG()
yzhanbg.run([{
  url: './bg/1.mp4',
  weather: {
    type: 'firefly', // Options: sakura | snow | firefly | rain | butterfly 
    maxDuration: 10 // Default: 10s, this option can determine the speed of animations
  },
  text: '©ナルトMinh'
},{
  url: './bg/2.jpg',
  duration: 3, // Default: undefined. Units: seconds. If video duration < this, it ends early
  weather: {
    type: 'sakura',
    maxDuration: 5
  },
  text: '©narumilk'
},{
  url: './bg/3.mp4',
  weather: {
    type: 'butterfly',
    maxDuration: 5
  },
  text: '©DeRanK'
}])