From 22b34ac0fc708a859ff5b1bb4238309c9c5e4530 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mr=C2=B7x?= <as2252258@163.com>
Date: Mon, 4 Jan 2021 18:41:26 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E5=90=8D?=
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---
 System/Pool/Connection.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/System/Pool/Connection.php b/System/Pool/Connection.php
index 88b791b3..89ae4a76 100644
--- a/System/Pool/Connection.php
+++ b/System/Pool/Connection.php
@@ -210,7 +210,7 @@ class Connection extends Pool
 			$this->newClient($config, $coroutineName);
 		}
 		[$time, $connections] = $this->get($coroutineName);
-		if ($connections instanceof PDO) {
+		if (!($connections instanceof PDO)) {
 			throw new Exception('Database exception.');
 		}
 		return Context::setContext($coroutineName, $connections);