修正二进制类型的附件

@@ -60,6 +60,7 @@ class Attachment {
                     list($t,$e) = explode(' ',$item,2);
                     list($t,$e) = explode(' ',$item,2);
                     $e = trim($e);
                     $e = trim($e);
                     $e = explode(' ',$e)[0];
                     $e = explode(' ',$e)[0];
+                    if($e=='bin'){break;}
                     if($e){
                     if($e){
                         $this->extension = $e;
                         $this->extension = $e;
                         return $e;
                         return $e;