开发工具模拟器，我不知道微信应该是什么版本。 数据： tstd: {       keys: ['k1', 'k2'],       valuess: [         [           { pic:'https://7465-test-b4d6da-1258259003.tcb.qcloud.la/1/ques1.png?sign=1d5d7059f6c2d66104142a6c35657000&t=1546570793'},           { pic: 'https://7465-test-b4d6da-1258259003.tcb.qcloud.la/1/ques1.png?sign=1d5d7059f6c2d66104142a6c35657000&t=1546570793' }         ],         [{ pic: 'https://7465-test-b4d6da-1258259003.tcb.qcloud.la/1/ques1.png?sign=1d5d7059f6c2d66104142a6c35657000&t=1546570793' }]       ],       length: 2     }, wxml： <swiper class='slider' indicator-dots='true' style='height:{{sliderHeight}}px' current='0'>     <block wx:for='tstd.valuess[0].length'>         <swiper-item>         <text>{{tstd.valuess[0].length}}</text>           <image class='sliderImage' src='{{tstd.valuess[0][index].pic}}' mode='aspectFit'/>         </swiper-item>       </block>     </swiper> 或者 <block wx:for='tstd.valuess[0]'>         <swiper-item>         <text>{{index}}</text>           <image class='sliderImage' src='{{item.pic}}' mode='aspectFit'/>         </swiper-item>       </block> [图片] 蓝线这里，太多的swiper-item了，哪里来的呢？一共22个。