diff --git a/bank.php b/bank.php
new file mode 100644
index 0000000..c8bc5a1
--- /dev/null
+++ b/bank.php
@@ -0,0 +1,8 @@
+<?php require_once 'header.php'; ?>
+
+<div class="container">
+    <h1>Bank</h1>
+    <p>This is the bank. You can manage your money here.</p>
+</div>
+
+<?php require_once 'footer.php'; ?>
\ No newline at end of file
diff --git a/header.php b/header.php
index 2db619b..ac67a6f 100644
--- a/header.php
+++ b/header.php
@@ -39,6 +39,14 @@
                     <li class="nav-item">
                         <a class="nav-link" href="chat.php">Chat</a>
                     </li>
+                    <?php if (isset($_SESSION['user_id'])): ?>
+                        <li class="nav-item">
+                            <a class="nav-link" href="work.php">Work</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link" href="bank.php">Bank</a>
+                        </li>
+                    <?php endif; ?>
                     <li class="nav-item">
                         <a class="nav-link" href="cart.php">
                             <i class="bi bi-cart"></i> Cart
diff --git a/work.php b/work.php
new file mode 100644
index 0000000..83e6e33
--- /dev/null
+++ b/work.php
@@ -0,0 +1,8 @@
+<?php require_once 'header.php'; ?>
+
+<div class="container">
+    <h1>Work System</h1>
+    <p>This is the work system. You can work here to earn money.</p>
+</div>
+
+<?php require_once 'footer.php'; ?>
\ No newline at end of file