文物鉴赏-二维文物：最多显示3张图

src/components/RelicDetail.vue

@@ -167,7 +167,7 @@ export default {
       if (this.$route.query.imgNum === 1) {
         this.imageList = [`${this.$cdnPath}2D/${this.$route.query.bs}.jpg`]
       } else {
-        for (let index = 0; index < this.$route.query.imgNum; index++) {
+        for (let index = 0; index < this.$route.query.imgNum && index < 3; index++) {
           this.imageList.push(`${this.$cdnPath}2D/${this.$route.query.bs} (${index + 1}).jpg`)
         }
         console.log(this.imageList)