diff --git a/frontend/src/pages/admin/AdminStudentAssignment.jsx b/frontend/src/pages/admin/AdminStudentAssignment.jsx
index 3ff03d3..ee2bffd 100644
--- a/frontend/src/pages/admin/AdminStudentAssignment.jsx
+++ b/frontend/src/pages/admin/AdminStudentAssignment.jsx
@@ -14,17 +14,19 @@ import {
 
 const AdminStudentAssignment = () => {
   const { studentId, week } = useParams();
-  if (!studentId || !week) {
-    console.warn("studentId 또는 week 없음", { studentId, week });
-    return <div>잘못된 접근입니다.</div>; // 또는 로딩 UI
-  }
   const [studentInfo, setStudentInfo] = useState(null);
   const [weeks, setWeeks] = useState([]);
   const [highlightCard, setHighlightCard] = useState(null);
   const [selectedWeekLabel, setSelectedWeekLabel] = useState(null);
 
   useEffect(() => {
-    fetchStudentInfo(studentId).then((res) => {
+    const id = Number(studentId);
+    if (!id || isNaN(id)) {
+      console.warn("❗ 잘못된 studentId:", studentId);
+      return;
+    }
+
+    fetchStudentInfo(id).then((res) => {
       setStudentInfo(res.data.data);
     });
 
diff --git a/frontend/src/pages/admin/AdminStudentAttendance.jsx b/frontend/src/pages/admin/AdminStudentAttendance.jsx
index 9bdc211..5e75e02 100644
--- a/frontend/src/pages/admin/AdminStudentAttendance.jsx
+++ b/frontend/src/pages/admin/AdminStudentAttendance.jsx
@@ -14,6 +14,11 @@ const AdminStudentAttendance = () => {
   const [selectedDate, setSelectedDate] = useState(null);
 
   useEffect(() => {
+    const id = Number(studentId);
+    if (!id || isNaN(id)) {
+      console.warn("❗ 잘못된 studentId:", studentId);
+      return;
+    }
     const fetchData = async () => {
       try {
         const studentRes = await getStudentBasicInfo(studentId);