修复SAE引擎上传类生成缩略图报错时的bug

Author: luofei614

Extend/Engine/Sae/Lib/Extend/Library/ORG/Net/UploadFile_sae.class.php

@@ -172,7 +172,7 @@ private function save($file) {
                     $img->resize($width, $height);
                     $new_data = $img->exec();
                     if (!$s->write($domain, $thumbPath . $thumbname.'.'.$thumbExt, $new_data)) {
-                        $this->error = '生成缩略图失败！'.$this->errmsg();
+                        $this->error = '生成缩略图失败！'.$s->errmsg();
                         return false;
                     }
                 }