diff --git a/admin/addapp.php b/admin/addapp.php
index e0e4799..29e27e8 100644
--- a/admin/addapp.php
+++ b/admin/addapp.php
@@ -123,6 +123,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_app'])) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/admin/index.php b/admin/index.php
index 285a487..f31ba52 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -72,6 +72,7 @@ if (!$resultApps) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/admin/login.php b/admin/login.php
index d62c68e..578dc84 100644
--- a/admin/login.php
+++ b/admin/login.php
@@ -49,6 +49,7 @@ if (!isset($_SESSION['admin'])) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/admin/manage_developers.php b/admin/manage_developers.php
index a3ade78..149387e 100644
--- a/admin/manage_developers.php
+++ b/admin/manage_developers.php
@@ -21,6 +21,7 @@ if (isset($_GET['logout'])) {
 ?>
 <nav class="navbar navbar-expand-lg navbar-light blur-bg">
     <div class="container mt-4">
+        <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
         <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
         <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
             <span class="navbar-toggler-icon"></span>
diff --git a/admin/review_apps.php b/admin/review_apps.php
index da91948..f231896 100644
--- a/admin/review_apps.php
+++ b/admin/review_apps.php
@@ -154,6 +154,7 @@ if (!($conn instanceof mysqli)) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/admin/system_info.php b/admin/system_info.php
index 6d5bcd2..b6cfffb 100644
--- a/admin/system_info.php
+++ b/admin/system_info.php
@@ -104,6 +104,7 @@
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light bg-light">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php">管理员面板</a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/app.php b/app.php
index a0d2e3e..b8b14f1 100644
--- a/app.php
+++ b/app.php
@@ -155,6 +155,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['rating'])) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/developer/login.php b/developer/login.php
index 736a8da..7b6fdef 100644
--- a/developer/login.php
+++ b/developer/login.php
@@ -13,6 +13,7 @@ echo '<style>
 // 导航栏
 echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
     <div class="container">
+        <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
         <a class="navbar-brand" href="../index.php">'. APP_STORE_NAME . '</a>
         <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
             <span class="navbar-toggler-icon"></span>
diff --git a/developer/register.php b/developer/register.php
index 8202a7d..11eb500 100644
--- a/developer/register.php
+++ b/developer/register.php
@@ -41,6 +41,7 @@ echo '<style>
 // 导航栏
 echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
     <div class="container">
+        <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
         <a class="navbar-brand" href="../index.php">'. APP_STORE_NAME . '</a>
         <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
             <span class="navbar-toggler-icon"></span>
diff --git a/developer/upload_app.php b/developer/upload_app.php
index 3048964..7d3464b 100644
--- a/developer/upload_app.php
+++ b/developer/upload_app.php
@@ -322,6 +322,7 @@ if (!($conn instanceof mysqli)) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/developer/verify_email.php b/developer/verify_email.php
index 26e0431..209ca0a 100644
--- a/developer/verify_email.php
+++ b/developer/verify_email.php
@@ -61,6 +61,7 @@ if (!isset($_GET['token']) || empty($_GET['token'])) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?= APP_STORE_NAME ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
                 <span class="navbar-toggler-icon"></span>
diff --git a/developer/version_control.php b/developer/version_control.php
index 217b97e..27e562e 100644
--- a/developer/version_control.php
+++ b/developer/version_control.php
@@ -235,6 +235,7 @@ if (!$verStmt) {
 <body>
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="../index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/developer_apps.php b/developer_apps.php
index 561685f..02392aa 100644
--- a/developer_apps.php
+++ b/developer_apps.php
@@ -70,6 +70,7 @@ $resultApps = $conn->query($sqlApps);
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/docs/app_review_standards.php b/docs/app_review_standards.php
index 1edde8c..b6f0c09 100644
--- a/docs/app_review_standards.php
+++ b/docs/app_review_standards.php
@@ -49,6 +49,7 @@
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg fixed-top">
         <div class="container">
+            <a href="/index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="/index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/docs/privacy_policy.php b/docs/privacy_policy.php
index 1169dc0..80b66c1 100644
--- a/docs/privacy_policy.php
+++ b/docs/privacy_policy.php
@@ -15,7 +15,8 @@ if (!isset($conn) || !$conn instanceof mysqli) {
     <link rel="stylesheet" href="../styles.css">
     <!-- Fluent Design 模糊效果 -->
     <!-- Bootstrap JS Bundle with Popper -->
-    <script src="../js/bootstrap.bundle.js"></script>    <style>        .blur-bg {            backdrop-filter: blur(10px);            background-color: rgba(255, 255, 255, 0.5);        }    </style></head><body class="page-transition">    <!-- 导航栏 -->    <nav class="navbar navbar-expand-lg navbar-light blur-bg">        <div class="container">            <a class="navbar-brand" href="#"><?php echo APP_STORE_NAME; ?></a>            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">                <span class="navbar-toggler-icon"></span>            </button>            <div class="collapse navbar-collapse" id="navbarNav">                <ul class="navbar-nav">                    <li class="nav-item">                        <a class="nav-link" href="../index.php">首页</a>                    </li>                    <?php if (isset($_SESSION['admin'])): ?>                        <li class="nav-item">                            <a class="nav-link" href="../admin/">管理</a>                        </li>                    <?php endif; ?>                    <li class="nav-item">                        <a class="nav-link" href="../tags.php">标签</a>                    </li>                    <?php if (isset($_SESSION['developer_id'])): ?>                    <li class="nav-item">                        <a class="nav-link" href="../developer/dashboard.php">进入面板</a>                    </li>                    <?php else: ?>                    <li class="nav-item">                        <a class="nav-link" href="../developer/register.php">开发者注册</a>                    </li>                    <li class="nav-item">                        <a class="nav-link" href="../developer/login.php">开发者登录</a>                    </li>                    <?php endif; ?>                </ul>            </div>        </div>    </nav>    <div class="container mt-4">
+    <script src="../js/bootstrap.bundle.js"></script>    <style>        .blur-bg {            backdrop-filter: blur(10px);            background-color: rgba(255, 255, 255, 0.5);        }    </style></head><body class="page-transition">    <!-- 导航栏 -->    <nav class="navbar navbar-expand-lg navbar-light blur-bg">        <div class="container">            <a href="../index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
+            <a class="navbar-brand" href="#"><?php echo APP_STORE_NAME; ?></a>            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">                <span class="navbar-toggler-icon"></span>            </button>            <div class="collapse navbar-collapse" id="navbarNav">                <ul class="navbar-nav">                    <li class="nav-item">                        <a class="nav-link" href="../index.php">首页</a>                    </li>                    <?php if (isset($_SESSION['admin'])): ?>                        <li class="nav-item">                            <a class="nav-link" href="../admin/">管理</a>                        </li>                    <?php endif; ?>                    <li class="nav-item">                        <a class="nav-link" href="../tags.php">标签</a>                    </li>                    <?php if (isset($_SESSION['developer_id'])): ?>                    <li class="nav-item">                        <a class="nav-link" href="../developer/dashboard.php">进入面板</a>                    </li>                    <?php else: ?>                    <li class="nav-item">                        <a class="nav-link" href="../developer/register.php">开发者注册</a>                    </li>                    <li class="nav-item">                        <a class="nav-link" href="../developer/login.php">开发者登录</a>                    </li>                    <?php endif; ?>                </ul>            </div>        </div>    </nav>    <div class="container mt-4">
         <h1>隐私政策</h1>
         
         <h2>引言</h2>
diff --git a/index.php b/index.php
index 31aee3a..9cec3bf 100644
--- a/index.php
+++ b/index.php
@@ -44,6 +44,7 @@ if (!isset($conn) || !$conn instanceof mysqli) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="#"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/router.php b/router.php
index 591fd4f..7f52a74 100644
--- a/router.php
+++ b/router.php
@@ -13,6 +13,7 @@
     // 导航栏
     echo '<nav class="navbar navbar-expand-lg navbar-light bg-light fixed-top">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php">'. APP_STORE_NAME . '</a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/styles.css b/styles.css
index 14d90e8..fa8e3eb 100644
--- a/styles.css
+++ b/styles.css
@@ -118,6 +118,10 @@ body {
     border-radius: var(--border-radius);
 }
 
+* {
+    border-radius: var(--border-radius);
+}
+
 /* 年龄分级 SVG 样式 */
 .age-rating {
     display: inline-flex;
diff --git a/tags.php b/tags.php
index cd79ba0..00dad74 100644
--- a/tags.php
+++ b/tags.php
@@ -88,6 +88,7 @@ $tagResult = $conn->query("SELECT id, name FROM tags ORDER BY name");
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light blur-bg">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>
diff --git a/version_list.php b/version_list.php
index 167908d..f3d1d14 100644
--- a/version_list.php
+++ b/version_list.php
@@ -79,6 +79,7 @@ while ($row = $result->fetch_assoc()) {
     <!-- 导航栏 -->
     <nav class="navbar navbar-expand-lg navbar-light bg-light">
         <div class="container">
+            <a href="index.php"><img src="/favicon.jpeg" alt="Logo" style="height: 30px; margin-right: 10px; border-radius: var(--border-radius);"></a>
             <a class="navbar-brand" href="index.php"><?php echo APP_STORE_NAME; ?></a>
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                 <span class="navbar-toggler-icon"></span>