diff --git a/src/components/createPage/PostForm/index.tsx b/src/components/createPage/PostForm/index.tsx
index bb2c3c92..c2878ed3 100644
--- a/src/components/createPage/PostForm/index.tsx
+++ b/src/components/createPage/PostForm/index.tsx
@@ -141,16 +141,19 @@ const PostForm = ({ category }: PostFormProps) => {
 
   // 이미지 관련
   const [imageUrlsArray, setImageUrlsArray] = useState<{ activityImageUrl: string }[]>([]);
+  const [isImageUploadSuccess, setIsImageUploadSuccess] = useState(false);
 
   const { mutate: postFormImageMutation } = useMutation({
     mutationFn: (uploadedFiles: File[]) => Activities.createImage(uploadedFiles),
     onSuccess: (uploadedImageUrls) => {
       setImageUrlsArray(uploadedImageUrls);
+      setIsImageUploadSuccess(false);
     },
   });
 
   const handleUpdateFiles = (uploadedFiles: File[]) => {
     postFormImageMutation(uploadedFiles);
+    setIsImageUploadSuccess(true);
   };
 
   // 유저 데이터 관련
@@ -216,9 +219,9 @@ const PostForm = ({ category }: PostFormProps) => {
                     <InputField
                       name='title'
                       label='제목'
-                      placeholder='제목을 입력해 주세요 (20자 이내)'
+                      placeholder='제목을 입력해 주세요 (50자 이내)'
                       isLimited
-                      maxLength={20}
+                      maxLength={50}
                     />
                   </fieldset>
                   {recruitmentTypes.isOfflineOrOnline(price) && (
@@ -253,7 +256,7 @@ const PostForm = ({ category }: PostFormProps) => {
                       name='discord'
                       label='디스코드 링크'
                       placeholder='https://discord.gg/초대코드'
-                      maxLength={50}
+                      maxLength={30}
                     />
                   </fieldset>
                 )}
@@ -298,6 +301,7 @@ const PostForm = ({ category }: PostFormProps) => {
                   theme='fill'
                   size='medium'
                   color='purple'
+                  isDisabled={isImageUploadSuccess}
                   onClick={handleSubmit(handleEditFormData)}
                 >
                   등록
@@ -314,6 +318,7 @@ const PostForm = ({ category }: PostFormProps) => {
                   theme='fill'
                   size='large'
                   color='purple'
+                  isDisabled={isImageUploadSuccess}
                   onClick={handleSubmit(handleEditFormData)}
                 >
                   등록
diff --git a/src/components/editPage/EditForm/index.tsx b/src/components/editPage/EditForm/index.tsx
index 690a87a6..817cf1e5 100644
--- a/src/components/editPage/EditForm/index.tsx
+++ b/src/components/editPage/EditForm/index.tsx
@@ -187,16 +187,19 @@ const EditForm = ({ category, activityDetailData }: EditFormProps) => {
 
   // 이미지 관련
   const [imageUrlsArray, setImageUrlsArray] = useState<{ activityImageUrl: string }[]>([]);
+  const [isImageUploadSuccess, setIsImageUploadSuccess] = useState(false);
 
   const { mutate: postFormImageMutation } = useMutation({
     mutationFn: (uploadedFiles: File[]) => Activities.createImage(uploadedFiles),
     onSuccess: (uploadedImageUrls) => {
       setImageUrlsArray(uploadedImageUrls);
+      setIsImageUploadSuccess(false);
     },
   });
 
   const handleUpdateFiles = (uploadedFiles: File[]) => {
     postFormImageMutation(uploadedFiles);
+    setIsImageUploadSuccess(true);
   };
 
   // 수정 버튼 클릭 후 데이터 가공 관련
@@ -346,6 +349,7 @@ const EditForm = ({ category, activityDetailData }: EditFormProps) => {
                   theme='fill'
                   size='medium'
                   color='purple'
+                  isDisabled={isImageUploadSuccess}
                   onClick={handleSubmit(handleEditFormData)}
                 >
                   수정
@@ -362,6 +366,7 @@ const EditForm = ({ category, activityDetailData }: EditFormProps) => {
                   theme='fill'
                   size='large'
                   color='purple'
+                  isDisabled={isImageUploadSuccess}
                   onClick={handleSubmit(handleEditFormData)}
                 >
                   수정
@@ -374,9 +379,9 @@ const EditForm = ({ category, activityDetailData }: EditFormProps) => {
       <ConfirmModal
         openModal={isVisible}
         onClose={handleToggleClick}
-        title='모집 등록 완료'
+        title='모집 수정 완료'
         state='SUCCESS'
-        desc='정상적으로 등록되었습니다'
+        desc='정상적으로 수정되었습니다'
         renderButton={
           <ModalButton variant='success' onClick={handleModalConfirmButtonClick}>
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