优化附件下载文件名称

app/command/Zm.php

@@ -117,6 +117,7 @@ class Zm extends Command
                             }
                             
                             foreach($class_details['data']['classSection']['allEnclosure'] as $enclosure){
+                                $enclosure['url'] = urldecode($enclosure['url']);
                                 $parts = explode("{$class_id}/", $enclosure['url']);
 
                                 $path = parse_url($enclosure['url'], PHP_URL_PATH);
@@ -218,7 +219,6 @@ class Zm extends Command
     }
     protected function download($downloadurl,$dir,$filename)
     {
-        return;
         $result = $this->checkfile($downloadurl,$dir . '/' . $filename);
         
         if($result === true){