猫王博物馆 修复已知bug

src/pages/museum/detail.vue

@@ -39,7 +39,7 @@ export default {
   onLoad(e) {
     this.list = listJson[e.id - 1]
     this.img = `../../static/museum/detail/${Number(e.id)}.png`
-    if (this.list.img.length > 0) {
+    if (this.list.img && this.list.img.length > 0) {
       this.options.loop = this.list.img.length > 2 ? true : false
     }
   },