fix sms sender name validation rule

pages/parameters/sms.vue

@@ -63,7 +63,7 @@ const { data: parameters } = fetch(
  */
 const rules = () => [
   (smsSenderName: string | null) =>
-    (smsSenderName !== null && /^[a-zA-Z0-9]{1,11}$/.test(smsSenderName)) ||
+    (smsSenderName !== null && /^\w{3,11}$/.test(smsSenderName)) ||
     i18n.t('please_enter_a_value_for_the_sms_sender_name'),
 ]
 </script>