fix

src/pages/detail/helpers.ts

@@ -235,7 +235,7 @@ export const getAllNodes = (osmd: any) => {
       for (const v of voiceEntries) {
         // 始终只取第一个声部中第一个音符的时间
         let note: any = v.notes[0]
-        if (['Piano'].includes(state.activeDetail?.code)) {
+        if (['Piano'].includes(state.activeDetail?.code) || state.activeDetail?.musicSheetType == 'CONCERT') {
           let _notes = []
           try {
             _notes = iterator.currentVoiceEntries

src/subpages/colexiu/index.tsx

@@ -401,7 +401,7 @@ export default defineComponent({
           {!renderLoading.value && <UnitTest />}
 
           {/* 切换曲谱 */}
-          {!search.lessonTrainingId && !search.questionId && detailState.activeDetail?.background?.length > 2 && (
+          {!search.lessonTrainingId && !search.questionId &&  detail.value.musicSheetType == 'CONCERT' && (
             <ToggleMusicSheet />
           )}
         </>