修改

src/views/signup/SignUpLevel.vue

@@ -790,12 +790,13 @@ export default {
                 // 练习课 "PRACTICE"
                 if(this.practiceSongIdList) {  // 下拉选择
                     this.practiceSelectList.forEach(item => {
+                        console.log(item)
                         songJson.push({
                             id: item.id,
                             type: item.type,
                             songName: item.songName,
                             songAuthor: item.songAuthor,
-                            uploadUrl: item.fileUrlList.join(',')
+                            uploadUrl: item.fileUrlList
                         })
                     })
                 } else {  // 自选
@@ -817,12 +818,13 @@ export default {
                 // 演奏课 "PERFORM"
                 if(this.performSongIdList) {
                     this.performNumSelectList.forEach(item => {
+                         console.log(item)
                         songJson.push({
                             id: item.id,
                             type: item.type,
                             songName: item.songName,
                             songAuthor: item.songAuthor,
-                            uploadUrl: item.fileUrlList.join(',')
+                            uploadUrl: item.fileUrlList
                         })
                     })
                 } else {