diff --git a/index.php b/index.php
index 5da0ae2..6f50a47 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,18 @@
 <?php
-// 如存放在当前目录下直接/即可，如果选择其他目录前后都要/包含，如：/o/
-$base_dir='/o/';
+$base_dir='/o/';//以/即结束即可
+$user="chate.store";// 用户名
+$pwd="123456";// 密码，请记得频繁更换
+
+$authorization = false;
+if ($_SERVER['PHP_AUTH_USER'] == $user && $_SERVER['PHP_AUTH_PW'] == $pwd){
+    $authorization = true;
+}
+if(!$authorization){
+    // 没登录成功，弹出要求输入用户名和密码窗口
+    header("WWW-Authenticate:Basic realm='Private'");
+    header('HTTP/1.0 401 Unauthorized');
+    exit;
+}
 
 // 处理文件上传
 if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
@@ -178,14 +190,12 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
         <div id="fileList" class="file-list mt-3"></div>
         <div id="statusOutput" class="status-output"></div>
         <div class="link-output">
-          <button class="btn btn-info" id="directLinkBtn">直连代码</button>
-          <button class="btn btn-info" id="htmlCodeBtn">网页代码</button>
-          <button class="btn btn-info" id="forumCodeBtn">论坛代码</button>
-          <button class="btn btn-info" id="markDownCodeBtn">Markdown代码</button>
+          <button class="btn btn-info" id="directLinkBtn">直连</button>
+          <button class="btn btn-info" id="htmlCodeBtn">网页</button>
+          <button class="btn btn-info" id="forumCodeBtn">论坛</button>
+          <button class="btn btn-info" id="markDownCodeBtn">Markdown</button>
+          <button class="btn btn-success" id="copyAllBtn">复制所有链接</button>
           <textarea id="linkText" readonly></textarea>
-          <div class="copy-all-btn-container">
-            <button class="btn btn-success" id="copyAllBtn">复制所有链接</button>
-          </div>
         </div>
         <h6 id="formatHint" class="card-title text-center">支持格式: JPEG, PNG, GIF, WEBP, AVIF, BMP, SVG 最大上传：<?php echo ini_get('upload_max_filesize');?></h6>
       </div>