diff --git a/apps/readest-app/src-tauri/src/lib.rs b/apps/readest-app/src-tauri/src/lib.rs
index 3e143e58..63a07e3b 100644
--- a/apps/readest-app/src-tauri/src/lib.rs
+++ b/apps/readest-app/src-tauri/src/lib.rs
@@ -77,7 +77,7 @@ async fn list_fonts() -> Result<Vec<String>, String> {
     let font_collection = font_enumeration::Collection::new().unwrap();
     let mut fonts = Vec::new();
     for font in font_collection.all() {
-        fonts.push(font.font_name.clone());
+        fonts.push(font.family_name.clone());
     }
     Ok(fonts)
 }
diff --git a/apps/readest-app/src/app/library/components/BookItem.tsx b/apps/readest-app/src/app/library/components/BookItem.tsx
index c266db1f..7c3ab18a 100644
--- a/apps/readest-app/src/app/library/components/BookItem.tsx
+++ b/apps/readest-app/src/app/library/components/BookItem.tsx
@@ -7,6 +7,7 @@ import { LiaCloudUploadAltSolid, LiaCloudDownloadAltSolid } from 'react-icons/li
 import { Book } from '@/types/book';
 import { useEnv } from '@/context/EnvContext';
 import { useResponsiveSize } from '@/hooks/useResponsiveSize';
+import { formatAuthors, formatTitle } from '@/utils/book';
 import ReadingProgress from './ReadingProgress';
 
 interface BookItemProps {
@@ -61,11 +62,13 @@ const BookItem: React.FC<BookItemProps> = ({
             )}
           >
             <div className='flex h-1/2 items-center justify-center'>
-              <span className='line-clamp-3 text-lg'>{book.title}</span>
+              <span className='line-clamp-3 text-lg'>{formatTitle(book.title)}</span>
             </div>
             <div className='h-1/6'></div>
             <div className='flex h-1/3 items-center justify-center'>
-              <span className='text-neutral-content/50 line-clamp-1 text-base'>{book.author}</span>
+              <span className='text-neutral-content/50 line-clamp-1 text-base'>
+                {formatAuthors(book.author)}
+              </span>
             </div>
           </div>
           {(selectedBooks.includes(book.hash) || clickedBookHash === book.hash) && (
diff --git a/apps/readest-app/src/app/library/components/GroupItem.tsx b/apps/readest-app/src/app/library/components/GroupItem.tsx
index 416b7056..ce64cd11 100644
--- a/apps/readest-app/src/app/library/components/GroupItem.tsx
+++ b/apps/readest-app/src/app/library/components/GroupItem.tsx
@@ -1,5 +1,6 @@
 import Image from 'next/image';
 import { BooksGroup } from '@/types/book';
+import { formatAuthors, formatTitle } from '@/utils/book';
 import ReadingProgress from './ReadingProgress';
 
 interface GroupItemProps {
@@ -21,8 +22,10 @@ const GroupItem: React.FC<GroupItemProps> = ({ group }) => {
             />
           </figure>
           <div className='card-body p-4'>
-            <h3 className='card-title line-clamp-2 text-sm'>{book.title}</h3>
-            <p className='text-neutral-content line-clamp-1 text-xs'>{book.author}</p>
+            <h3 className='card-title line-clamp-2 text-sm'>{formatTitle(book.title)}</h3>
+            <p className='text-neutral-content line-clamp-1 text-xs'>
+              {formatAuthors(book.author)}
+            </p>
             <ReadingProgress book={book} />
           </div>
         </div>
diff --git a/apps/readest-app/src/app/reader/components/settings/FontDropDown.tsx b/apps/readest-app/src/app/reader/components/settings/FontDropDown.tsx
index f77deef1..547b861d 100644
--- a/apps/readest-app/src/app/reader/components/settings/FontDropDown.tsx
+++ b/apps/readest-app/src/app/reader/components/settings/FontDropDown.tsx
@@ -25,7 +25,7 @@ const FontDropdown: React.FC<DropdownProps> = ({
   const _ = useTranslation();
   const iconSize16 = useResponsiveSize(16);
   const defaultIconSize = useDefaultIconSize();
-  const selectedOption = options.find((option) => option.option === selected)!;
+  const selectedOption = options.find((option) => option.option === selected) || options[0]!;
   return (
     <div className='dropdown dropdown-top'>
       <button
diff --git a/apps/readest-app/src/app/reader/components/sidebar/BookCard.tsx b/apps/readest-app/src/app/reader/components/sidebar/BookCard.tsx
index 4b7af661..905bcfdd 100644
--- a/apps/readest-app/src/app/reader/components/sidebar/BookCard.tsx
+++ b/apps/readest-app/src/app/reader/components/sidebar/BookCard.tsx
@@ -30,7 +30,7 @@ const BookCard = ({ book }: { book: Book }) => {
       />
       <div className='min-w-0 flex-1'>
         <h4 className='line-clamp-2 w-[90%] text-sm font-semibold'>{formatTitle(title)}</h4>
-        <p className='text-neutral-content truncate text-xs'>{formatAuthors(undefined, author)}</p>
+        <p className='text-neutral-content truncate text-xs'>{formatAuthors(author)}</p>
       </div>
       <button
         className='btn btn-ghost hover:bg-base-300 h-6 min-h-6 w-6 rounded-full p-0 transition-colors'
diff --git a/apps/readest-app/src/components/BookDetailModal.tsx b/apps/readest-app/src/components/BookDetailModal.tsx
index a115ce06..12926dda 100644
--- a/apps/readest-app/src/components/BookDetailModal.tsx
+++ b/apps/readest-app/src/components/BookDetailModal.tsx
@@ -115,7 +115,7 @@ const BookDetailModal = ({ book, isOpen, onClose }: BookDetailModalProps) => {
                     {formatTitle(book.title) || _('Untitled')}
                   </p>
                   <p className='text-neutral-content line-clamp-1'>
-                    {formatAuthors(bookMeta.language, book.author) || _('Unknown')}
+                    {formatAuthors(book.author, bookMeta.language) || _('Unknown')}
                   </p>
                 </div>
                 {window.innerWidth >= 400 && (
diff --git a/apps/readest-app/src/services/appService.ts b/apps/readest-app/src/services/appService.ts
index 765abc36..08767924 100644
--- a/apps/readest-app/src/services/appService.ts
+++ b/apps/readest-app/src/services/appService.ts
@@ -156,7 +156,7 @@ export abstract class BaseAppService implements AppService {
         hash,
         format,
         title: formatTitle(loadedBook.metadata.title),
-        author: formatAuthors(loadedBook.metadata.language, loadedBook.metadata.author),
+        author: formatAuthors(loadedBook.metadata.author, loadedBook.metadata.language),
         createdAt: existingBook ? existingBook.createdAt : Date.now(),
         uploadedAt: existingBook ? existingBook.uploadedAt : null,
         downloadedAt: Date.now(),
diff --git a/apps/readest-app/src/utils/book.ts b/apps/readest-app/src/utils/book.ts
index 84b4f641..f2fbd24b 100644
--- a/apps/readest-app/src/utils/book.ts
+++ b/apps/readest-app/src/utils/book.ts
@@ -64,8 +64,8 @@ export const getBookLangCode = (lang: string | string[] | undefined) => {
 };
 
 export const formatAuthors = (
-  bookLang: string | string[] | undefined,
   contributors: string | Contributor | [string | Contributor],
+  bookLang?: string | string[],
 ) => {
   const langCode = getBookLangCode(bookLang);
   return Array.isArray(contributors)
diff --git a/apps/readest-app/src/utils/font.ts b/apps/readest-app/src/utils/font.ts
index 5c12e379..2f761e0b 100644
--- a/apps/readest-app/src/utils/font.ts
+++ b/apps/readest-app/src/utils/font.ts
@@ -17,7 +17,7 @@ export const getSysFontsList = async (): Promise<string[]> => {
     const osPlatform = getOSPlatform();
     if (FONT_ENUM_SUPPORTED_OS_PLATFORMS.includes(osPlatform)) {
       const fonts = await invoke<string[]>('list_fonts');
-      cachedSysFonts = fonts.filter((font) => !isSymbolicFontName(font)).sort();
+      cachedSysFonts = [...new Set(fonts.filter((font) => !isSymbolicFontName(font)))].sort();
       console.log('Fetched font list:', cachedSysFonts);
       return cachedSysFonts;
     } else {