diff --git a/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantDetailPage/ApplicantDetailPage.tsx b/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantDetailPage/ApplicantDetailPage.tsx
index 39f46ca0a..099c2b04c 100644
--- a/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantDetailPage/ApplicantDetailPage.tsx
+++ b/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantDetailPage/ApplicantDetailPage.tsx
@@ -1,4 +1,4 @@
-import React, { useEffect, useMemo, useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { useNavigate, useParams } from 'react-router-dom';
 import NextApplicantButton from '@/assets/images/icons/next_applicant.svg';
 import PrevApplicantButton from '@/assets/images/icons/prev_applicant.svg';
@@ -79,8 +79,7 @@ const ApplicantDetailPage = () => {
   }, [applicant, applicant?.status, applicant?.memo]);
 
   const updateApplicantDetail = (memo: string, status: ApplicationStatus) => {
-    if (typeof memo !== 'string') return;
-    if (!isApplicationStatus(status)) return;
+    if (!questionId) return;
 
     updateApplicant(
       [
@@ -125,9 +124,10 @@ const ApplicantDetailPage = () => {
   };
 
   const handleStatusChange = (e: React.ChangeEvent<HTMLSelectElement>) => {
-    const newStatus = e.target.value as ApplicationStatus;
-    setApplicantStatus(newStatus);
-    updateApplicantDetail(applicantMemo, newStatus);
+    const rawStatus = e.target.value;
+    if (!isApplicationStatus(rawStatus)) return;
+    setApplicantStatus(rawStatus);
+    updateApplicantDetail(applicantMemo, rawStatus);
   };
 
   const previousApplicant = () => {
diff --git a/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantsListTab/ApplicantsListTab.tsx b/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantsListTab/ApplicantsListTab.tsx
index 4dc3ddeac..30a820207 100644
--- a/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantsListTab/ApplicantsListTab.tsx
+++ b/frontend/src/pages/AdminPage/tabs/ApplicantsTab/ApplicantsListTab/ApplicantsListTab.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useRef, useState } from 'react';
+import React, { useEffect, useRef, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import styled from 'styled-components';
 import expandArrow from '@/assets/images/icons/ExpandArrow.svg';
diff --git a/frontend/src/pages/AdminPage/validation/validateApplicationForm.ts b/frontend/src/pages/AdminPage/validation/validateApplicationForm.ts
index 34a725a80..63e017b15 100644
--- a/frontend/src/pages/AdminPage/validation/validateApplicationForm.ts
+++ b/frontend/src/pages/AdminPage/validation/validateApplicationForm.ts
@@ -2,7 +2,7 @@ import { ApplicationFormData, ApplicationFormMode } from '@/types/application';
 
 const ALLOWED_EXTERNAL_URLS = [
   'https://forms.gle/',
-  'https://docs.google.com/forms',
+  'https://docs.google.com/forms/',
   'https://form.naver.com/',
   'https://naver.me/',
   'https://everytime.kr/',