From 806679decdf446a31fa13f1159da9d52673d6fea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Mon, 16 Aug 2021 18:24:14 +0800
Subject: [PATCH] e

---
 src/Mysql/PDO.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Mysql/PDO.php b/src/Mysql/PDO.php
index 679e578..8d2ca85 100644
--- a/src/Mysql/PDO.php
+++ b/src/Mysql/PDO.php
@@ -239,6 +239,9 @@ class PDO
 	 */
 	public function _pdo(): \PDO
 	{
+		if ($this->_timer === -1) {
+			$this->heartbeat_check();
+		}
 		if (!($this->pdo instanceof \PDO)) {
 			$this->pdo = $this->newClient();
 		}