Update SignUpLevel.vue

src/views/signup/SignUpLevel.vue

@@ -707,7 +707,6 @@ export default {
                     return
                 }
             } else if(songUpload.indexName == "performNum") {
-                if(this.performNumUpload[songUpload.index] && this.performNumUpload[songUpload.index][0].url) {
                 if(this.performNumUpload[songUpload.index] && this.performNumUpload[songUpload.index].length > 0 && this.performNumUpload[songUpload.index][0].url) {
                     this.performNumSelect[songUpload.index] = nameAuthor
                     this.performNumSelectUploadList[songUpload.index] = JSON.parse(JSON.stringify(songUpload))