diff --git a/packages/bydauto/views/mail/testdrive.blade.php b/packages/bydauto/views/mail/testdrive.blade.php
index 40efd14..cc837f0 100644
--- a/packages/bydauto/views/mail/testdrive.blade.php
+++ b/packages/bydauto/views/mail/testdrive.blade.php
@@ -8,7 +8,7 @@
     <tr bgcolor="#ffffff">
         <td>{{ $sn + 1 }}</td>
         <td>{{ $item->name }}</td>
-        <td>{{ $item->mobile }}</td>
+        <td style="font-family: monospace">{{ $item->mobile }}</td>
     </tr>
     @endforeach
 </table>