diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..71c62bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+
+o/*
diff --git a/index.php b/index.php
index 8455a92..7109126 100644
--- a/index.php
+++ b/index.php
@@ -23,7 +23,8 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
     $file_tmp = $_FILES['file']['tmp_name'];
     $error = $_FILES['file']['error'];
  
-    // 获取当前年月
+    // 获取当前年月，为防止报错，先设置时区
+    date_default_timezone_set('Asia/Shanghai');
     $year_month = date('Y/m');
     $upload_dir = $base_upload_dir . $year_month;
  
@@ -223,7 +224,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
                 <form id="uploadForm" enctype="multipart/form-data">
                     <div class="mb-3">
                         <label for="files" class="form-label"></label>
-                        <input type="file" class="form-control" id="files" name="files[]" multiple accept="image/jpeg, image/png, image/gif, image/webp, image/bmp, image/svg+xml" required>
+                        <input type="file" class="form-control" id="files" name="files[]" multiple accept="image/jpeg, image/png, image/gif, image/webp, image/avif, image/bmp, image/svg+xml" required>
                     </div>
                     <button type="submit" class="btn btn-primary w-100" style="font-weight: bold;">开始上传</button>
                 </form>
@@ -238,7 +239,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
                         <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, BMP, SVG</h6>
+                <h6 id="formatHint" class="card-title text-center">支持格式: JPEG, PNG, GIF, WEBP, AVIF, BMP, SVG</h6>
                 </div>
             </div>
         </div>
@@ -274,7 +275,7 @@ $(document).ready(function () {
         clearOutput();
         var files = this.files;
         // 允许的文件类型
-        var validFormats = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/bmp', 'image/svg']; 
+        var validFormats = ['image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif',  'image/bmp', 'image/svg']; 
         var validFiles = Array.from(files).filter(file => validFormats.includes(file.type));
          
         if (validFiles.length === 0) {