Update upload.php

upload.php

@@ -39,13 +39,13 @@ if ($_FILES) {
     if (strpos($fileType, 'image') !== false) {
         // 处理图片上传
         $ext = pathinfo($filename, PATHINFO_EXTENSION);
-        $newFilename = 'Image_' . time() . '.' . $ext;
+        $newFilename = 'Image_' . time() . sprintf('%03d', rand(0, 999)) . '.' . $ext;
         $uploadFilePath = $imageDir . $newFilename;
         $urlPath = $baseUrl . $imageDir . $newFilename;
     } elseif (strpos($fileType, 'video') !== false) {
         // 处理视频上传
         $ext = pathinfo($filename, PATHINFO_EXTENSION);
-        $newFilename = 'Video_' . time() . '.' . $ext;
+        $newFilename = 'Video_' . time() . sprintf('%03d', rand(0, 999)) . '.' . $ext;
         $uploadFilePath = $videoDir . $newFilename;
         $urlPath = $baseUrl . $videoDir . $newFilename;
     } else {