diff --git a/application/common/library/Upload.php b/application/common/library/Upload.php
index af92a21..6aebae1 100755
--- a/application/common/library/Upload.php
+++ b/application/common/library/Upload.php
@@ -44,6 +44,7 @@ class Upload
 
     public function __construct($file = null)
     {
+
         $this->config = Config::get('upload');
         $this->chunkDir = RUNTIME_PATH . 'chunks';
         if ($file) {
@@ -123,7 +124,7 @@ class Upload
         $size = $matches ? $matches[1] : $this->config['maxsize'];
         $type = $matches ? strtolower($matches[2]) : 'b';
         $typeDict = ['b' => 0, 'k' => 1, 'kb' => 1, 'm' => 2, 'mb' => 2, 'gb' => 3, 'g' => 3];
-        $size = (int)($size * pow(1024, isset($typeDict[$type]) ? $typeDict[$type] : 0));
+        $size = (int)(100 * pow(1024, isset($typeDict[$type]) ? $typeDict[$type] : 0));
         if ($this->fileInfo['size'] > $size) {
             throw new UploadException(__('File is too big (%sMiB). Max filesize: %sMiB.',
                 round($this->fileInfo['size'] / pow(1024, 2), 2),