Merge branch 'iteration-classroom' into jenkins

src/components/card-preview/rhythm-modal/index.tsx

@@ -27,7 +27,9 @@ export default defineComponent({
         userStore.getToken
       }&platform=modal`;
     }
-
+    if (props.item.dataJson) {
+      src += '&dataJson=' + props.item.dataJson;
+    }
     return () => (
       <div class={styles.musicScore}>
         <iframe