unexpected character 编译错误，求解决？

unexpected character 编译错误，求解决

 unexpected character `

`

  61 |     <!–弹出框开始–>

  62 |         <swiper indicator-dots=true autoplay=false circular=true vertical=true interval=2000 duration=500 previous-margin=‘0px’ next-margin=‘0px’ style=‘width:100%;height:100%;’>

> 63 |         <block wx:for=‘{{tan_pic}}’>

     | ^

  64 |         <swiper-item>

  65 |         

  66 |         </swiper-item>

console.error @ VM26:1

(anonymous) @ VM40:2

<!--弹出框开始-->     <swiper indicator-dots=true autoplay=false circular=true vertical=true interval=2000 duration=500 previous-margin='0px' next-margin='0px' style='width:100%;height:100%;'>     <block wx:for='{{tan_pic}}'>     <swiper-item>     <image src='https://excelpark.cn/cash_imgs/{{item}}' mode='aspectFit' class='zhezhao_pic'></image>     </swiper-item>     </block>     </swiper> <!--弹出框结束-->