text: let currentImg = null;
  let Imgs = document.getElementsByClassName('rightPannel');
  
  
  if (Imgs.length > 0) {
      currentImg = Imgs[0];
  }
  console.log(currentImg)
  Show(currentImg);
  // currentImg.style.left = '1320px';
  
  
  function Show(Img) {
      Img.style.animation = 'Join 1s forwards';
  }
  
  
  function HideCurrentImg() {
      currentImg.style.animation = 'Leave 1s';
  
  }
  
  function btn01_clicked() {
      HideCurrentImg();
      Show(Imgs[0]);
      currentImg = Imgs[0];
  
  
  }
  
  function btn02_clicked() {
      HideCurrentImg();
      Show(Imgs[0]);
      currentImg = Imgs[0];
  }
  
  function btn03_clicked() {
      HideCurrentImg();
      Show(Imgs[1]);
      currentImg = Imgs[1];
  }
  
  function btn04_clicked() {
      HideCurrentImg();
      Show(Imgs[2]);
      currentImg = Imgs[2];
  }
  
  function btn05_clicked() {
      HideCurrentImg();
      Show(Imgs[3]);
      currentImg = Imgs[3];
  }
  
  function btn06_clicked() {
      HideCurrentImg();
      Show(Imgs[3]);
      currentImg = Imgs[3];
  }
  
  function btn07_clicked() {
      HideCurrentImg();
      Show(Imgs[5]);
      currentImg = Imgs[5];
  }
  
  function btn08_clicked() {
      HideCurrentImg();
      Show(Imgs[6]);
      currentImg = Imgs[6];
  }
  
  
  //获取8个图像，并打印出来