diff --git a/src/components/common/LoadingSpinner.tsx b/src/components/common/LoadingSpinner.tsx
index cc69312c..99b4bf6a 100644
--- a/src/components/common/LoadingSpinner.tsx
+++ b/src/components/common/LoadingSpinner.tsx
@@ -24,6 +24,10 @@ const LoadingSpinner = ({
 const Container = styled.div<{ fullHeight: boolean }>`
   display: flex;
   flex-direction: column;
+  width: 100%;
+  max-width: 767px;
+  min-width: 320px;
+  margin: 0 auto;
   justify-content: center;
   align-items: center;
   ${({ fullHeight }) =>
diff --git a/src/components/common/Post/PostBody.tsx b/src/components/common/Post/PostBody.tsx
index 59f44074..383434b2 100644
--- a/src/components/common/Post/PostBody.tsx
+++ b/src/components/common/Post/PostBody.tsx
@@ -9,6 +9,7 @@ const Container = styled.div`
   flex-direction: column;
   width: 100%;
   gap: 16px;
+  cursor: pointer;
 `;
 
 const PostContent = styled.div<{ hasImage: boolean }>`
@@ -82,9 +83,11 @@ const PostBody = ({
   }, [contentBody]);
 
   return (
-    <Container>
-      <BookInfoCard bookTitle={bookTitle} bookAuthor={bookAuthor} isbn={isbn} />
-      <PostContent hasImage={hasImage} onClick={() => handlePostClick(feedId)}>
+    <Container onClick={() => handlePostClick(feedId)}>
+      <div onClick={(e) => e.stopPropagation()}>
+        <BookInfoCard bookTitle={bookTitle} bookAuthor={bookAuthor} isbn={isbn} />
+      </div>
+      <PostContent hasImage={hasImage}>
         <div className="content" ref={contentRef}>
           {contentBody}
         </div>
diff --git a/src/components/common/Post/PostFooter.tsx b/src/components/common/Post/PostFooter.tsx
index 7132ee41..418d9671 100644
--- a/src/components/common/Post/PostFooter.tsx
+++ b/src/components/common/Post/PostFooter.tsx
@@ -52,6 +52,7 @@ interface PostFooterProps {
   isLiked?: boolean;
   isPublic?: boolean;
   isDetail?: boolean;
+  onSaveToggle?: (feedId: number, newSaveState: boolean) => void;
 }
 
 const PostFooter = ({
@@ -63,6 +64,7 @@ const PostFooter = ({
   isLiked = false,
   isPublic = true,
   isDetail = false,
+  onSaveToggle,
 }: PostFooterProps) => {
   const [liked, setLiked] = useState(isLiked);
   const [likeCount, setLikeCount] = useState<number>(initialLikeCount);
@@ -90,9 +92,15 @@ const PostFooter = ({
       const response = await postSaveFeed(feedId, !saved);
 
       if (response.isSuccess) {
+        const newSaveState = response.data?.isSaved ?? !saved;
         // 성공 시 상태 업데이트
-        setSaved(response.data?.isSaved ?? !saved);
-        console.log('저장 상태 변경 성공:', response.data?.isSaved);
+        setSaved(newSaveState);
+        console.log('저장 상태 변경 성공:', newSaveState);
+        
+        // 부모 컴포넌트에 알림
+        if (onSaveToggle) {
+          onSaveToggle(feedId, newSaveState);
+        }
       } else {
         console.error('저장 상태 변경 실패:', response.message);
       }
diff --git a/src/components/feed/FeedPost.tsx b/src/components/feed/FeedPost.tsx
index 8d421eb0..28d3105a 100644
--- a/src/components/feed/FeedPost.tsx
+++ b/src/components/feed/FeedPost.tsx
@@ -26,13 +26,13 @@ const BorderBottom = styled.div`
   background: #1c1c1c;
 `;
 
-const FeedPost = ({ showHeader, isLast, isMyFeed, ...postData }: FeedPostProps) => {
+const FeedPost = ({ showHeader, isLast, isMyFeed, onSaveToggle, ...postData }: FeedPostProps) => {
   return (
     <>
       <Container>
         {showHeader && <PostHeader {...postData} />}
         <PostBody {...postData} />
-        <PostFooter isMyFeed={!!isMyFeed} {...postData} />
+        <PostFooter isMyFeed={!!isMyFeed} onSaveToggle={onSaveToggle} {...postData} />
       </Container>
       {!isLast && <BorderBottom />}
     </>
diff --git a/src/components/feed/UserProfileItem.tsx b/src/components/feed/UserProfileItem.tsx
index bc8694ba..50641d80 100644
--- a/src/components/feed/UserProfileItem.tsx
+++ b/src/components/feed/UserProfileItem.tsx
@@ -17,13 +17,18 @@ const UserProfileItem = ({
   userId,
   isLast,
   type,
+  isMyself,
 }: UserProfileItemProps) => {
   const navigate = useNavigate();
   const [followed, setFollowed] = useState(isFollowing);
   const { openPopup } = usePopupStore();
 
   const handleProfileClick = () => {
-    navigate(`/otherfeed/${userId}`);
+    if (isMyself) {
+      navigate(`/myfeed/${userId}`);
+    } else {
+      navigate(`/otherfeed/${userId}`);
+    }
   };
 
   const toggleFollow = async (e: React.MouseEvent) => {
@@ -62,7 +67,7 @@ const UserProfileItem = ({
             </div>
           </div>
         </div>
-        {type === 'followlist' && (
+        {type === 'followlist' && !isMyself && (
           <div className="followbutton" onClick={toggleFollow}>
             {followed ? '띱 취소' : '띱 하기'}
           </div>
diff --git a/src/components/group/Modal.styles.ts b/src/components/group/Modal.styles.ts
index 0d1665bd..84ce7760 100644
--- a/src/components/group/Modal.styles.ts
+++ b/src/components/group/Modal.styles.ts
@@ -4,11 +4,14 @@ import styled from '@emotion/styled';
 export const Overlay = styled.div<{ $whiteBg?: boolean }>`
   display: flex;
   justify-content: center;
-  align-items: flex-start;
+  align-items: center;
   position: fixed;
   top: 0;
-  left: 0;
-  width: 100vw;
+  left: 50%;
+  transform: translateX(-50%);
+  width: 100%;
+  max-width: 767px;
+  min-width: 320px;
   height: 100vh;
   background: ${({ $whiteBg }) => ($whiteBg ? 'white' : colors.black.main)};
   z-index: 110;
diff --git a/src/pages/feed/FollowerListPage.tsx b/src/pages/feed/FollowerListPage.tsx
index 69931a95..c4129f26 100644
--- a/src/pages/feed/FollowerListPage.tsx
+++ b/src/pages/feed/FollowerListPage.tsx
@@ -135,6 +135,7 @@ const FollowerListPage = () => {
             type={type as UserProfileType}
             isFollowing={user.isFollowing}
             isLast={index === userList.length - 1}
+            isMyself={user.isMyself}
           />
         ))}
       </UserProfileList>
@@ -156,7 +157,9 @@ const Wrapper = styled.div`
 const TotalBar = styled.div`
   position: fixed;
   top: 0;
-  width: 727px;
+  width: 94.8%;
+  max-width: 727px;
+  min-width: 320px;
   padding: 76px 0px 4px 0px;
   border-bottom: 1px solid var(--color-darkgrey-dark);
   background-color: var(--color-black-main);
diff --git a/src/pages/mypage/SavePage.tsx b/src/pages/mypage/SavePage.tsx
index 54ac2391..12530160 100644
--- a/src/pages/mypage/SavePage.tsx
+++ b/src/pages/mypage/SavePage.tsx
@@ -11,6 +11,7 @@ import { colors, typography } from '@/styles/global/global';
 import { getSavedBooksInMy, type SavedBookInMy } from '@/api/books/getSavedBooksInMy';
 import { getSavedFeedsInMy, type SavedFeedInMy } from '@/api/feeds/getSavedFeedsInMy';
 import { postSaveBook } from '@/api/books/postSaveBook';
+
 import LoadingSpinner from '@/components/common/LoadingSpinner';
 
 const tabs = ['피드', '책'];
@@ -38,7 +39,17 @@ const SavePage = () => {
     navigate('/mypage');
   };
 
-  // 저장된 피드 로드
+  // 저장된 책 목록 로드 함수
+  const loadSavedBooks = useCallback(async () => {
+    try {
+      const response = await getSavedBooksInMy();
+      setSavedBooks(response.data.bookList);
+    } catch (error) {
+      console.error('저장된 책 목록 로드 실패:', error);
+    }
+  }, []);
+
+  // 저장된 피드 목록 로드 함수
   const loadSavedFeeds = useCallback(async (cursor: string | null = null) => {
     try {
       setFeedLoading(true);
@@ -61,7 +72,7 @@ const SavePage = () => {
     }
   }, []);
 
-  // 페이지 진입 시 모든 데이터 로드
+  // 페이지 진입 시 모든 데이터 로드 (한 번만 실행)
   useEffect(() => {
     const loadAllData = async () => {
       try {
@@ -88,7 +99,7 @@ const SavePage = () => {
     };
 
     loadAllData();
-  }, []); // 한 번만 실행
+  }, []); // 빈 의존성 배열로 변경
 
   // Intersection Observer 설정 (피드)
   useEffect(() => {
@@ -122,10 +133,15 @@ const SavePage = () => {
       const newSaveState = !currentBook.isSaved;
       await postSaveBook(isbn, newSaveState);
 
-      // 로컬 상태 업데이트
-      setSavedBooks(prev =>
-        prev.map(book => (book.isbn === isbn ? { ...book, isSaved: newSaveState } : book)),
-      );
+      // 저장 취소인 경우 저장된 책 목록을 다시 불러옴
+      if (!newSaveState) {
+        await loadSavedBooks();
+      } else {
+        // 저장인 경우 로컬 상태만 업데이트
+        setSavedBooks(prev =>
+          prev.map(book => (book.isbn === isbn ? { ...book, isSaved: newSaveState } : book)),
+        );
+      }
 
       console.log('저장 토글:', isbn, newSaveState);
     } catch (error) {
@@ -133,6 +149,19 @@ const SavePage = () => {
     }
   };
 
+  // 피드 저장 토글 처리
+  const handleFeedSaveToggle = async (feedId: number, newSaveState: boolean) => {
+    try {
+      if (!newSaveState) {
+        // 저장 취소인 경우 리스트에서 제거
+        setSavedFeeds(prev => prev.filter(feed => feed.feedId !== feedId));
+        console.log('피드 저장 취소 완료:', feedId);
+      }
+    } catch (error) {
+      console.error('피드 저장 상태 변경 실패:', error);
+    }
+  };
+
   return (
     <Wrapper>
       <TitleHeader
@@ -153,6 +182,7 @@ const SavePage = () => {
                   showHeader={true}
                   isMyFeed={false}
                   isLast={index === savedFeeds.length - 1}
+                  onSaveToggle={handleFeedSaveToggle}
                   {...feed}
                 />
               ))}
@@ -258,8 +288,9 @@ const EmptyState = styled.div`
 const BookList = styled.div`
   display: flex;
   flex-direction: column;
+  width: 100%;
   min-width: 320px;
-  max-width: 540px;
+  max-width: 767px;
   padding-top: 32px;
   margin: 0 auto;
   width: 100%;
diff --git a/src/pages/searchBook/SearchBook.tsx b/src/pages/searchBook/SearchBook.tsx
index f6b8e42a..ff362416 100644
--- a/src/pages/searchBook/SearchBook.tsx
+++ b/src/pages/searchBook/SearchBook.tsx
@@ -238,7 +238,7 @@ const SearchBook = () => {
 
   if (isLoading || error || !bookDetail) {
     if (isLoading) {
-      return <LoadingSpinner fullHeight={true} />;
+      return <LoadingSpinner fullHeight={true} size="large" message="책 정보 불러오는 중..." />;
     }
     return (
       <Wrapper>
diff --git a/src/types/follow.ts b/src/types/follow.ts
index c1183b99..3fd5f735 100644
--- a/src/types/follow.ts
+++ b/src/types/follow.ts
@@ -6,4 +6,5 @@ export interface FollowData {
   aliasColor?: string;
   followerCount?: number;
   isFollowing?: boolean;
+  isMyself?: boolean;
 }
diff --git a/src/types/post.ts b/src/types/post.ts
index f275a192..a329791e 100644
--- a/src/types/post.ts
+++ b/src/types/post.ts
@@ -31,6 +31,7 @@ export interface FeedPostProps extends PostData {
   isMyFeed?: boolean;
   isTotalFeed?: boolean;
   isLast?: boolean;
+  onSaveToggle?: (feedId: number, newSaveState: boolean) => void;
 }
 
 export type PostBodyProps = Pick<
diff --git a/src/types/user.ts b/src/types/user.ts
index 5a05c8b6..dd08b47f 100644
--- a/src/types/user.ts
+++ b/src/types/user.ts
@@ -10,4 +10,5 @@ export interface UserProfileItemProps {
   userId: number;
   isLast?: boolean;
   type?: UserProfileType;
+  isMyself?: boolean;
 }