From 17e51b789854215d1ac9717011dc0c6ad3db8e41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=91=E6=9E=97?= <as2252258@163.com>
Date: Wed, 8 Feb 2023 17:33:07 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8F=98=E6=9B=B4?=
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---
 SqlBuilder.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/SqlBuilder.php b/SqlBuilder.php
index acf3465..8561351 100644
--- a/SqlBuilder.php
+++ b/SqlBuilder.php
@@ -191,6 +191,9 @@ class SqlBuilder extends Component
 	 */
 	private function resolveParams(string $key, mixed $value, int $order, array $params, array $keys): array
 	{
+		if (is_null($value)) {
+			return [$keys, $params];
+		}
 		if (
 			str_starts_with($value, '+ ') ||
 			str_starts_with($value, '- ')