fix: StudentReport Page 리포트카드 안나오는거 수정 시험 한번도 안 본 상태에서 접근 시 에러 안나게 변경

frontend/src/pages/StudentReportPage/StudentReportPage.jsx

@@ -9,11 +9,10 @@ export default function StudentReportPage() {
   const { lectureId } = useParams();
   const { data } = useStudentReports(lectureId);
   const reports = data?.data;
-  console.log(reports);
 
   const totalCounts = reports.reduce?.(
     (acc, report) => {
-      if (acc.allCount > 0) {
+      if (report.allCount > 0) {
         acc.correctCount += report.correctCount;
         acc.allCount += report.allCount;
       }
@@ -27,6 +26,7 @@ export default function StudentReportPage() {
       title="퀴즈 성적"
       canCreate={false}
     >
+      {totalCounts && (
         <div className={styles.wrapper}>
           <div className={styles.LinksContainer}>
             {reports.map?.((report) => (
@@ -45,6 +45,7 @@ export default function StudentReportPage() {
             />
           </div>
         </div>
+      )}
     </ArticleBoard>
   );
 }