diff --git a/frontend/public/locales/de/common.json b/frontend/public/locales/de/common.json
index e1d1e35..cf36b47 100644
--- a/frontend/public/locales/de/common.json
+++ b/frontend/public/locales/de/common.json
@@ -42,7 +42,7 @@
   "Deletion failed": "Löschen fehlgeschlagen",
   "Close": "Schließen",
   "Login successful": "Anmeldung erfolgreich",
-  "Login failed: Invalid password": "Anmeldung fehlgeschlagen: Ungültiges Passwort",
+  "Invalid password": "Ungültiges Passwort",
   "Login failed": "Anmeldung fehlgeschlagen",
   "Email created successfully": "E-Mail erfolgreich erstellt",
   "Emails deleted successfully": "E-Mails erfolgreich gelöscht",
diff --git a/frontend/public/locales/en/common.json b/frontend/public/locales/en/common.json
index 5b3bd7e..7910289 100644
--- a/frontend/public/locales/en/common.json
+++ b/frontend/public/locales/en/common.json
@@ -45,7 +45,7 @@
   "Deletion failed": "Deletion failed",
   "Close": "Close",
   "Login successful": "Login successful",
-  "Login failed: Invalid password": "Login failed: Invalid password",
+  "Invalid password": "Invalid password",
   "Login failed": "Login failed",
   "Email created successfully": "Email created successfully",
   "Emails deleted successfully": "Emails deleted successfully",
diff --git a/frontend/public/locales/fr/common.json b/frontend/public/locales/fr/common.json
index 6602601..25f3fab 100644
--- a/frontend/public/locales/fr/common.json
+++ b/frontend/public/locales/fr/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "Échec de la suppression",
   "Close": "Fermer",
   "Login successful": "Connexion réussie",
-  "Login failed: Invalid password": "Échec de la connexion : Mot de passe invalide",
+  "Invalid password": "Mot de passe invalide",
   "Login failed": "Échec de la connexion",
   "Email created successfully": "E-mail créé avec succès",
   "Emails deleted successfully": "E-mails supprimés avec succès",
diff --git a/frontend/public/locales/hi/common.json b/frontend/public/locales/hi/common.json
index 983393a..5115d63 100644
--- a/frontend/public/locales/hi/common.json
+++ b/frontend/public/locales/hi/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "हटाना विफल रहा",
   "Close": "बंद करें",
   "Login successful": "लॉगिन सफल",
-  "Login failed: Invalid password": "लॉगिन विफल: अमान्य पासवर्ड",
+  "Invalid password": "अमान्य पासवर्ड",
   "Login failed": "लॉगिन विफल",
   "Email created successfully": "ईमेल सफलतापूर्वक बनाया गया",
   "Emails deleted successfully": "ईमेल सफलतापूर्वक हटा दिए गए",
diff --git a/frontend/public/locales/it/common.json b/frontend/public/locales/it/common.json
index 2b1e14f..1f4fa17 100644
--- a/frontend/public/locales/it/common.json
+++ b/frontend/public/locales/it/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "Eliminazione non riuscita",
   "Close": "Chiudi",
   "Login successful": "Accesso riuscito",
-  "Login failed: Invalid password": "Accesso non riuscito: password non valida",
+  "Invalid password": "password non valida",
   "Login failed": "Accesso non riuscito",
   "Email created successfully": "Email creata con successo",
   "Emails deleted successfully": "Email eliminate con successo",
diff --git a/frontend/public/locales/ja/common.json b/frontend/public/locales/ja/common.json
index e69aa06..6293f1d 100644
--- a/frontend/public/locales/ja/common.json
+++ b/frontend/public/locales/ja/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "削除に失敗しました",
   "Close": "閉じる",
   "Login successful": "ログインに成功しました",
-  "Login failed: Invalid password": "ログインに失敗しました：パスワードが無効です",
+  "Invalid password": "パスワードが無効です",
   "Login failed": "ログインに失敗しました",
   "Email created successfully": "メールの作成に成功しました",
   "Emails deleted successfully": "メールの削除に成功しました",
diff --git a/frontend/public/locales/ko/common.json b/frontend/public/locales/ko/common.json
index 9000855..fb63f10 100644
--- a/frontend/public/locales/ko/common.json
+++ b/frontend/public/locales/ko/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "삭제 실패",
   "Close": "닫기",
   "Login successful": "로그인 성공",
-  "Login failed: Invalid password": "로그인 실패: 잘못된 비밀번호",
+  "Invalid password": "잘못된 비밀번호",
   "Login failed": "로그인 실패",
   "Email created successfully": "이메일이 성공적으로 생성되었습니다",
   "Emails deleted successfully": "이메일이 성공적으로 삭제되었습니다",
diff --git a/frontend/public/locales/pt/common.json b/frontend/public/locales/pt/common.json
index c5d1e44..2b999a0 100644
--- a/frontend/public/locales/pt/common.json
+++ b/frontend/public/locales/pt/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "Falha na exclusão",
   "Close": "Fechar",
   "Login successful": "Login bem-sucedido",
-  "Login failed: Invalid password": "Falha no login: Senha inválida",
+  "Invalid password": "Senha inválida",
   "Login failed": "Falha no login",
   "Email created successfully": "E-mail criado com sucesso",
   "Emails deleted successfully": "E-mails excluídos com sucesso",
diff --git a/frontend/public/locales/ru/common.json b/frontend/public/locales/ru/common.json
index b310842..968e856 100644
--- a/frontend/public/locales/ru/common.json
+++ b/frontend/public/locales/ru/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "Ошибка удаления",
   "Close": "Закрыть",
   "Login successful": "Вход выполнен успешно",
-  "Login failed: Invalid password": "Ошибка входа: неверный пароль",
+  "Invalid password": "неверный пароль",
   "Login failed": "Ошибка входа",
   "Email created successfully": "Письмо успешно создано",
   "Emails deleted successfully": "Письма успешно удалены",
diff --git a/frontend/public/locales/tr/common.json b/frontend/public/locales/tr/common.json
index 10cbc07..33db8d2 100644
--- a/frontend/public/locales/tr/common.json
+++ b/frontend/public/locales/tr/common.json
@@ -41,7 +41,7 @@
   "Deletion failed": "Silme işlemi başarısız oldu",
   "Close": "Kapat",
   "Login successful": "Giriş başarılı",
-  "Login failed: Invalid password": "Giriş başarısız: Geçersiz parola",
+  "Invalid password": "Geçersiz parola",
   "Login failed": "Giriş başarısız",
   "Email created successfully": "E-posta başarıyla oluşturuldu",
   "Emails deleted successfully": "E-postalar başarıyla silindi",
diff --git a/frontend/public/locales/zh-TW/common.json b/frontend/public/locales/zh-TW/common.json
index e461ee9..78a2135 100644
--- a/frontend/public/locales/zh-TW/common.json
+++ b/frontend/public/locales/zh-TW/common.json
@@ -42,7 +42,7 @@
   "Deletion failed": "刪除失敗",
   "Close": "關閉",
   "Login successful": "登入成功",
-  "Login failed: Invalid password": "登入失敗：密碼無效",
+  "Invalid password": "密碼無效",
   "Login failed": "登入失敗",
   "Email created successfully": "郵件創建成功",
   "Emails deleted successfully": "郵件刪除成功",
diff --git a/frontend/public/locales/zh/common.json b/frontend/public/locales/zh/common.json
index 8f4c4a4..80753e8 100644
--- a/frontend/public/locales/zh/common.json
+++ b/frontend/public/locales/zh/common.json
@@ -45,7 +45,7 @@
   "Deletion failed": "删除失败",
   "Close": "关闭",
   "Login successful": "登录成功",
-  "Login failed: Invalid password": "登录失败：密码无效",
+  "Invalid password": "密码无效",
   "Login failed": "登录失败",
   "Email created successfully": "邮箱创建成功",
   "Emails deleted successfully": "邮件删除成功",
diff --git a/frontend/src/components/CopyButton.tsx b/frontend/src/components/CopyButton.tsx
index 91c0375..53755c1 100644
--- a/frontend/src/components/CopyButton.tsx
+++ b/frontend/src/components/CopyButton.tsx
@@ -54,4 +54,5 @@ export function CopyButton({ text, className }: CopyButtonProps) {
       )}
     </button>
   );
-}
\ No newline at end of file
+}
+
diff --git a/frontend/src/components/icons/vmail.tsx b/frontend/src/components/icons/vmail.tsx
index fe04dc4..38f368c 100644
--- a/frontend/src/components/icons/vmail.tsx
+++ b/frontend/src/components/icons/vmail.tsx
@@ -62,4 +62,4 @@ export function VmailLogo() { // 名称与 Header.tsx 中的导入匹配
       </svg>
     </svg>
   );
-}
+}
\ No newline at end of file
diff --git a/frontend/src/components/icons/waiting-email.tsx b/frontend/src/components/icons/waiting-email.tsx
index 13b2104..d3bedaf 100644
--- a/frontend/src/components/icons/waiting-email.tsx
+++ b/frontend/src/components/icons/waiting-email.tsx
@@ -62,4 +62,4 @@ export function WaitingEmail() { // 名称与 MailList.tsx 中的导入匹配
       </svg>
     </svg>
   );
-}
+}
\ No newline at end of file
diff --git a/frontend/src/components/password.tsx b/frontend/src/components/password.tsx
index 0bf7e7a..5dda892 100644
--- a/frontend/src/components/password.tsx
+++ b/frontend/src/components/password.tsx
@@ -120,4 +120,4 @@ export function usePasswordModal() {
     }),
     [setShowPasswordModal, PasswordModalCallback, showPasswordModal]
   );
-}
+}
\ No newline at end of file
diff --git a/frontend/src/pages/Home.tsx b/frontend/src/pages/Home.tsx
index 6ceb6c9..0d6c68e 100644
--- a/frontend/src/pages/Home.tsx
+++ b/frontend/src/pages/Home.tsx
@@ -67,7 +67,7 @@ export function Home() {
     toast(
       (toastInstance) => (
         // 优化：为弹窗添加独立的标题栏和关闭按钮，并调整整体样式
-        <div className="w-full max-w-md p-4 bg-slate-800 text-white rounded-lg shadow-lg border border-slate-700">
+        <div className="w-full max-w-lg p-4 bg-slate-800 text-white rounded-lg shadow-lg border border-slate-700">
             {/* 标题栏：包含图标、标题和关闭按钮 */}
             <div className="flex items-center justify-between pb-2 mb-3 border-b border-slate-700">
                 <div className="flex items-center gap-2">
@@ -205,7 +205,8 @@ export function Home() {
       setShowPasswordModal(false); // 关闭模态框
       toast.success(t("Login successful"));
     } catch (error: any) {
-      toast.error(`${t("Login failed")}: ${error.message}`);
+      // fix: 使用 i18n 翻译错误信息
+      toast.error(`${t("Login failed")}: ${t(error.message)}`);
     } finally {
       setIsLoggingIn(false);
     }