优化

@@ -2,7 +2,6 @@
 
 namespace Controller;
 
-use Lib\Imap\Fun;
 use Lib\Mail\Mail;
 use Lib\Mail\MailFun;
 use Lib\UploadFile;
@@ -911,7 +910,6 @@ class Home extends Base {
             $data['uuid'] = get_email_uuid($data['subject'],$data['udate'],$data['from'],$data['to'],$data['size']);
 
             $data['description'] = @html_entity_decode($data['description']??'', ENT_COMPAT, 'UTF-8');
-            $data['description'] = Fun::mb_convert_encoding($data['description'],'utf-8');
 
             $data['to_name'] = $data['to_name'] ? json_decode($data['to_name'],true) : [];
             $data['cc'] = $data['cc'] ? json_decode($data['cc'],true) : [];