fix:bug

src/features/student/studentInspect/MarkBody.vue

@@ -813,7 +813,7 @@ function parseMode4Data(): SummaryItem[] {
       mainNumber: q.mainNumber,
       subNumber: q.subNumber,
       score: q.score,
-      markerName: q.trackList[0].userName,
+      markerName: q.trackList[0]?.userName,
     };
   });
 }