From b6055e6fcd2dede8fe479eebe06b4c7be5fdcc84 Mon Sep 17 00:00:00 2001
From: Jeong Ha Seung <88266129+HA-SEUNG-JEONG@users.noreply.github.com>
Date: Fri, 23 Jan 2026 11:15:37 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20=EC=88=AB=EC=9E=90=20=EC=9E=85=EB=A0=A5?=
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---
 src/components/modals/create-mission-modal.tsx | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/components/modals/create-mission-modal.tsx b/src/components/modals/create-mission-modal.tsx
index ad1bc783..ec1c78d7 100644
--- a/src/components/modals/create-mission-modal.tsx
+++ b/src/components/modals/create-mission-modal.tsx
@@ -1,7 +1,7 @@
 import { zodResolver } from '@hookform/resolvers/zod';
 import dayjs from 'dayjs';
 import { Plus, XIcon } from 'lucide-react';
-import { useState } from 'react';
+import { ChangeEvent, useState } from 'react';
 import { Controller, FormProvider, useForm } from 'react-hook-form';
 import { z } from 'zod';
 import Button from '@/components/ui/button';
@@ -155,6 +155,13 @@ function CreateMissionForm({
     );
   };
 
+  const handlePreventInvalidValue = (event: ChangeEvent<HTMLInputElement>) => {
+    event.currentTarget.value = event.currentTarget.value.replace(
+      /[^0-9]/g,
+      '',
+    );
+  };
+
   return (
     <FormProvider {...methods}>
       <Modal.Body className="flex flex-col gap-400 px-400 py-300">
@@ -196,6 +203,7 @@ function CreateMissionForm({
             <BaseInput
               type="number"
               min={0}
+              onInput={handlePreventInvalidValue}
               id="weekNum"
               placeholder="커리큘럼 미션인 경우 주차를 입력해 주세요. (예: 1)"
             />