Update index.tsx

src/views/music/music-detail/index.tsx

@@ -1000,7 +1000,7 @@ export default defineComponent({
                         (i: any) => i.track === item?.track
                       )
                       musicBuy(musicDetail.value, () => {}, {
-                        'part-index': staffData.partIndex || 0,
+                        'part-index': index || 0,
                         sett: staff.radio
                       })
                     }}