diff --git a/index.php b/index.php
index 6ce79fa..780db5e 100644
--- a/index.php
+++ b/index.php
@@ -1,23 +1,20 @@
 <?php
-$base_dir = '/o/';//以/即结束即可
-$user = array("admin1","admin2");// 用户名，可多个
-$pwd = array("chate.store1","chate.store2");// 密码，跟用户一一对应，请记得更换
-
+$base_dir = '/o/';// 以/结束
+$user = array("chate.store");// 用户名，可多个
+$pwd = array("123456");// 密码，跟用户对应，请记得更换
+if(isset($_GET['phpinfo'])){phpinfo();exit;}
 $authorization = false;
 $key = array_search($_SERVER['PHP_AUTH_USER'], $user);
-if($key !== false){
-  if($_SERVER['PHP_AUTH_PW'] ==$pwd[$key]){
-    $authorization = true;
-    }
-}
-if(!$authorization){
-  // 没登录成功，弹出要求输入用户名和密码窗口
+if($key !== false && $_SERVER['PHP_AUTH_PW'] ==$pwd[$key]){$auth = true;}
+
+if(!$auth){
+  // 没登录，弹出登录窗口
   header("WWW-Authenticate:Basic realm='Private'");
   header('HTTP/1.0 401 Unauthorized');
   exit;
 }
 
-// 处理文件上传
+// 处理上传
 if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
   $name = $_FILES['file']['name'];
   $file_tmp = $_FILES['file']['tmp_name'];
@@ -31,7 +28,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
 
   // 兼容跨平台路径
   $md5 = md5_file($file_tmp);
-  $upload_dir = getcwd() . $base_dir . substr($md5,0,1).'/'.substr($md5,1,1);
+  $up_dir = $base_dir . substr($md5,0,1).'/'.substr($md5,1,1);
+  $upload_dir = getcwd() . $up_dir;
   // 检查并创建目录
   if (!is_dir($upload_dir)) {
     if (!mkdir($upload_dir, 0777, true) && !is_dir($upload_dir)) {
@@ -40,7 +38,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
     }
     // 开始创建index.html
     file_put_contents($upload_dir .'/index.html', 'no access');
-    file_put_contents( getcwd() . $base_dir .  substr($md5,0,1). '/index.html', 'no access');
+    if(!file_exists(dirname($upload_dir) . '/index.html')){file_put_contents(dirname($upload_dir) . '/index.html', 'no access');}
+    if(!file_exists(dirname($upload_dir,2) . '/index.html')){file_put_contents(dirname($upload_dir,2) . '/index.html', 'no access');}
   }
 
   // 根据文件内容生成MD5文件名，这样可以排除重复上传
@@ -48,7 +47,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
   // 这里判断下重复文件不移动文件
   $target_file=$upload_dir . '/' .$FileName;
   if (file_exists($target_file) || move_uploaded_file($file_tmp, $target_file)) {
-    echo '{"upload_url":"http://'.$_SERVER['HTTP_HOST'] . $base_dir . substr($md5,0,1). '/' .substr($md5,1,1) .'/'. $FileName.'"}';
+    echo '{"upload_url":"http://'.$_SERVER['HTTP_HOST'] . dirname($_SERVER['SCRIPT_NAME']).$up_dir .'/'. $FileName.'"}';
   } else {
     echo '{"error":"写入失败，无法保存文件"}';
   }
@@ -209,8 +208,9 @@ async function setBackgroundImages() {
     var data = await response.json();
     var images = data.data.map(image => image.url);
     var backgroundDiv = document.getElementById('background');
-    if (images.length > 0) {
-        backgroundDiv.style.backgroundImage = 'url(https://www.bing.com/' + images[0] + ')';
+    var baseurl = 'https://www.bing.com/';
+	if (images.length > 0) {
+        backgroundDiv.style.backgroundImage = 'url(' + baseurl + images[0] + ')';
     }
     let index = 0;
     let currentBackgroundDiv = backgroundDiv;
@@ -218,7 +218,7 @@ async function setBackgroundImages() {
         const nextIndex = (index + 1) % images.length;
         const nextBackgroundDiv = document.createElement('div');
         nextBackgroundDiv.className = 'background next';
-        nextBackgroundDiv.style.backgroundImage = 'url(https://www.bing.com/' + images[nextIndex] + ')';
+        nextBackgroundDiv.style.backgroundImage = 'url(' + baseurl  + images[nextIndex] + ')';
         document.body.appendChild(nextBackgroundDiv);
         nextBackgroundDiv.style.opacity = 0;
         setTimeout(() => {
@@ -228,7 +228,7 @@ async function setBackgroundImages() {
             document.body.removeChild(currentBackgroundDiv);
             currentBackgroundDiv = nextBackgroundDiv;
             index = nextIndex;
-  if(index>10)index=0;// 只取前十张
+            if(index>10)index=0;// 只取前十张
         }, 1000);
     }, 5000);
 
@@ -482,4 +482,4 @@ $(document).ready(function () {
 });
 </script>
 </body>
-</html>
\ No newline at end of file
+</html>