修改语音矩阵样式问题

src/components/Adult/preview/VoiceMatrix.vue

@@ -25,7 +25,7 @@
         v-if="curQue.voiceMatrix.matrix.length > 0"
         class="matrix"
         :style="{
-          'grid-template': `40px repeat(${curQue.voiceMatrix.matrix[0].length}, auto) 1fr / 40px repeat(${curQue.voiceMatrix.matrix[0].length}, auto) 1fr`
+          'grid-template': `40px repeat(${curQue.voiceMatrix.matrix.length}, auto) 1fr / 40px repeat(${curQue.voiceMatrix.matrix[0].length}, auto) 1fr`
         }"
         @mouseleave="clearSelectCell"
       >