diff --git a/assets/pasted-20260219-011659-0f2b767b.png b/assets/pasted-20260219-011659-0f2b767b.png
new file mode 100644
index 0000000..b6a3891
Binary files /dev/null and b/assets/pasted-20260219-011659-0f2b767b.png differ
diff --git a/auth/login.php b/auth/login.php
index d1d4c4d..8d9cb5e 100644
--- a/auth/login.php
+++ b/auth/login.php
@@ -42,7 +42,7 @@ include __DIR__ . '/../includes/header.php';
             <div class="card bg-dark border-0 shadow-lg p-4 p-md-5" style="border-radius: 30px; background: #161a1e !important; border: 1px solid var(--border) !important;">
                 <div class="text-center mb-5">
                     <div class="logo-container d-inline-flex mb-4">
-                        <img src="/assets/images/logo.png" height="50" alt="BYRO">
+                        <img src="<?= $site_logo ?>" height="50" alt="<?= $site_name ?>">
                     </div>
                     <h2 class="fw-bold text-white mb-2"><?= __('login') ?></h2>
                     <p class="text-muted"><?= __('welcome_back') ?></p>
diff --git a/auth/register.php b/auth/register.php
index 4071852..9aae5f4 100644
--- a/auth/register.php
+++ b/auth/register.php
@@ -170,7 +170,7 @@ include __DIR__ . '/../includes/header.php';
             <div class="card register-card p-4 p-md-5">
                 <div class="text-center mb-5">
                     <div class="logo-container d-inline-flex mb-4">
-                        <img src="/assets/images/logo.png" height="50" alt="BYRO">
+                        <img src="<?= $site_logo ?>" height="50" alt="<?= $site_name ?>">
                     </div>
                     <h2 class="fw-bold text-white mb-2" style="font-size: 28px;"><?= __('register') ?></h2>
                     <p class="text-muted" style="font-size: 15px;"><?= __('join_secure') ?></p>
diff --git a/includes/footer.php b/includes/footer.php
index 509f3a3..402b4c0 100644
--- a/includes/footer.php
+++ b/includes/footer.php
@@ -3,7 +3,7 @@
         <div class="row g-4 mb-5">
             <div class="col-lg-4 col-md-12">
                 <div class="logo-container mb-3">
-                    <img src="<?= $site_logo ?>" height="40" alt="BYRO">
+                    <img src="<?= $site_logo ?>" height="40" alt="<?= $site_name ?>">
                 </div>
                 <p class="text-muted small mb-4">
                     <?= __('footer_desc') ?>
diff --git a/includes/header.php b/includes/header.php
index ca2fd33..f92e67c 100644
--- a/includes/header.php
+++ b/includes/header.php
@@ -333,7 +333,7 @@ if (!function_exists('getSetting')) {
 <body>
 <header>
     <a href="/" class="logo-container">
-        <img src="<?= $site_logo ?>" alt="BYRO">
+        <img src="<?= $site_logo ?>" alt="<?= $site_name ?>">
     </a>
     <nav>
         <a href="/"><?= __('home') ?></a>
diff --git a/includes/lang.php b/includes/lang.php
index da08b5e..c69cf72 100644
--- a/includes/lang.php
+++ b/includes/lang.php
@@ -216,6 +216,13 @@ $translations = [
         'no_account' => '没有账号？',
         'invalid_account_pwd' => '账号或密码错误',
         'account' => '账号 / 邮箱',
+        'password' => '密码',
+        'mobile_number' => '手机号码',
+        'confirm_password' => '确认密码',
+        'send_code' => '发送验证码',
+        'email' => '电子邮箱',
+        'email_placeholder' => '请输入电子邮箱',
+        'registration_verify' => '注册验证',
         'mobile_reg' => '手机注册',
         'email_reg' => '邮箱注册',
         'uploading' => '正在上传...',
diff --git a/index.php b/index.php
index 3df7c2e..e02ee68 100644
--- a/index.php
+++ b/index.php
@@ -5,7 +5,7 @@ require_once __DIR__ . '/includes/header.php';
 
 <link rel="stylesheet" href="assets/css/index.css?v=<?php echo time(); ?>">
 
-<main class="container py-5" style="margin-top: 0px; padding-top: 150px !important;">
+<main class="container pb-5" style="margin-top: 0px; padding-top: 80px !important;">
     <!-- Hero Carousel -->
     <div id="heroCarousel" class="carousel slide mb-5 shadow-lg" data-bs-ride="carousel" style="min-height: 550px; border-radius: 24px; overflow: hidden;">
         <div class="carousel-indicators">
@@ -92,7 +92,7 @@ require_once __DIR__ . '/includes/header.php';
         
         @media (max-width: 768px) {
             main.container {
-                padding-top: 80px !important;
+                padding-top: 70px !important;
             }
             #heroCarousel, .carousel-content {
                 height: 300px !important;
diff --git a/install.sql b/install.sql
index 3afab31..2ef50ee 100644
--- a/install.sql
+++ b/install.sql
@@ -384,7 +384,7 @@ INSERT INTO `system_settings` VALUES
 ('mail_from_email',''),
 ('mail_from_name','Byro Exchange'),
 ('service_link',''),
-('site_logo',''),
+('site_logo','/assets/pasted-20260219-011659-0f2b767b.png'),
 ('site_name','Byro'),
 ('smtp_host',''),
 ('smtp_pass',''),
