diff --git a/plugin/think-library/src/helper/PageHelper.php b/plugin/think-library/src/helper/PageHelper.php
index b9dd40588..79f0de76c 100644
--- a/plugin/think-library/src/helper/PageHelper.php
+++ b/plugin/think-library/src/helper/PageHelper.php
@@ -163,7 +163,7 @@ class PageHelper extends Helper
         if ($total === true || is_numeric($total)) return $total;
         [$query, $options] = [clone $query, $query->getOptions()];
         if (isset($options['order'])) $query->removeOption('order');
-        Library::$sapp->db->trigger('before_page_count', $query);
+        Library::$sapp->db->trigger('think_before_page_count', $query);
         if (empty($options['union'])) return $query->count();
         $table = [$query->buildSql() => '_union_count_'];
         return $query->newQuery()->table($table)->count();