add obs checker

src/components/SongPlayer.vue

@@ -3,14 +3,13 @@ import { SongFrom, SongsInfo } from '@/api/api-models'
 import { QueryGetAPI } from '@/api/query'
 import { SONG_API_URL } from '@/data/constants'
 import { NEmpty } from 'naive-ui'
-import { computed, ref, toRef, watch } from 'vue'
+import { computed, ref, watch } from 'vue'
 import APlayer from 'vue3-aplayer'
 
 const props = defineProps<{
   song: SongsInfo | undefined
   isLrcLoading?: string
 }>()
-const currentSong = toRef(props, 'song')
 const emits = defineEmits(['update:isLrcLoading'])
 
 const aplayerMusic = ref({