fix: #8716 bug修复

src/helpers/formateMusic.ts

@@ -356,7 +356,7 @@ export const onlyVisible = (xml: string, partIndex: number): string => {
 	const detailId = state.examSongId + "";
 	const xmlParse = new DOMParser().parseFromString(xml, "text/xml");
 	const partList = xmlParse.getElementsByTagName("part-list")?.[0]?.getElementsByTagName("score-part") || [];
-	const partListNames = Array.from(partList).map((item) => item.getElementsByTagName("part-name")?.[0].textContent || "");
+	const partListNames = Array.from(partList).map((item) => item.getElementsByTagName("part-name")?.[0]?.textContent || "");
 	const parts: any = xmlParse.getElementsByTagName("part");
 	// const firstTimeInfo = parts[0]?.getElementsByTagName('metronome')[0]?.parentElement?.parentElement?.cloneNode(true)
 	const firstMeasures = [...parts[0]?.getElementsByTagName("measure")];

src/page-instrument/view-detail/index.module.less

@@ -45,8 +45,9 @@
     #cursorImg-0 {
         width: 2PX !important;
         min-height: 58PX;
+        height: 58PX;
         content: url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7);
-        margin-top: -14PX;
+        margin-top: -13PX;
         border-radius: 4Px;
         background-color: rgba(25, 140, 254, 0.7);
         opacity: var(--corsor-opacity);

src/view/selection/index.module.less

@@ -93,12 +93,14 @@
     height: 120%;
     background-color: rgba(25, 140, 254, 0.7);
     min-height: 58PX;
+    height: 58PX;
+    top: 50%;
     // width: 14PX;
     width: 2PX !important;
-    margin-top: -17PX;
+    // margin-top: -17PX;
     border-radius: 4Px;
-    opacity: var(--corsor-opacity);   
-    transform: translateX(4Px);
+    opacity: var(--corsor-opacity);
+    transform: translate(4PX, -50%);
 }
 
 .lineStaff {