diff --git a/Database/Connection.php b/Database/Connection.php
index 4fb708dc..ce3b022e 100644
--- a/Database/Connection.php
+++ b/Database/Connection.php
@@ -272,8 +272,8 @@ class Connection extends Component
             'UPDATE' => preg_replace('/UPDATE\s+(\w+)\s+SET/', 'UPDATE `' . $this->database . '`.$1 SET', $sql),
             'DELETE' => preg_replace('/DELETE FROM\s+(\w+)\s+/', 'DELETE FROM `' . $this->database . '`.$1', $sql),
             'INSERT' => preg_replace('/INSERT INTO\s+(\w+)\s+/', 'INSERT INTO `' . $this->database . '`.$1', $sql),
+            default => throw new Exception('database error')
         };
-
         $command = new Command(['db' => $this, 'sql' => $sql]);
         return $command->bindValues($attributes);
     }