diff --git a/src/Mysql/Columns.php b/src/Mysql/Columns.php
index f23f888..2d7f8a2 100644
--- a/src/Mysql/Columns.php
+++ b/src/Mysql/Columns.php
@@ -305,6 +305,7 @@ class Columns extends Component
 	private function structure($table): array|static
 	{
 		if (!isset($this->columns[$table]) || empty($this->columns[$table])) {
+			var_dump(SqlBuilder::builder(null)->columns($table));
 			$column = $this->db->createCommand(SqlBuilder::builder(null)->columns($table))->all();
 			if (empty($column)) {
 				throw new Exception("The table " . $table . " not exists.");