修改逻辑

src/views/co-ai/index.module.less

@@ -585,6 +585,7 @@
 
     .iframeSection {
       flex: 1 auto;
+      height: 100%;
 
       iframe {
         height: 100%;

src/views/co-ai/index.tsx

@@ -380,7 +380,6 @@ export default defineComponent({
             musicPdfUrl = selectItem.musicPdfUrl
           }
         }
-        
       }
       data.musicPdfUrl = musicPdfUrl
       if(musicPdfUrl) {
@@ -402,6 +401,7 @@ export default defineComponent({
       
 
       console.log('地址', data.iframeSrc);
+      console.log(data.musicPdfUrl, !isMusicImg.value)
     };
 
     const setSearchBox = () => {
@@ -996,7 +996,7 @@ export default defineComponent({
                 {!data.musicPdfUrl && <div class={styles['right-musicName']}>
                   {data.musics[data.musicIndex]?.musicSheetName}
                 </div>}
-                {data.iframeSrc && (isEnsemble.value || !isMusicImg.value) ? (
+                {data.iframeSrc && (isEnsemble.value || data.musicPdfUrl || !isMusicImg.value) ? (
                   <div class={styles.iframeSection}>
                     <>
                       {data.musics[data.musicIndex]?.id ? data.musicPdfUrl ? (