diff --git a/lib/CMTD/Helpers.pm b/lib/CMTD/Helpers.pm
index ba0ff3e..994f25c 100644
--- a/lib/CMTD/Helpers.pm
+++ b/lib/CMTD/Helpers.pm
@@ -70,7 +70,31 @@ sub register {
   });
   $app->helper(comments_by_pid => sub {
     my ($c, $pid) = @_;
-    return $self->app->db->select('comments', '*', {pid => $sid}, 'seq')->hashes;
+    return $self->app->db->select('comments', '*', {pid => $pid}, 'seq')->hashes;
+  });
+  $app->helper(add_page => sub {
+    my ($c, $sid, $page) = @_;
+    $self->app->db->insert('pages', {
+      sid  => $sid,
+      hash => $page->{hash},
+      path => $page->{path},
+    });
+  });
+  $app->helper(add_comment => sub {
+    my ($c, $pid, $cm) = @_;
+    my $table = 'comments';
+    $self->app->db->begin;
+    my $seq = $self->app->db->select($table, 'max(seq)', {pid => $pid})->list;
+    $self->app->db->insert($table, {
+      pid  => $pid,
+      seq  => $seq,
+      date => time(),
+      name  => $cm->{name},
+      reply => $cm->{reply},
+      email => $cm->{mail} || '',
+      text  => b64_encode($cm->{text}),
+    });
+    $self->app->db->commit;
   });
 }