From 3a9711b6ab5d2e38e746f026009c6ee98242e536 Mon Sep 17 00:00:00 2001
From: xcg <bccai2010@qq.com>
Date: Thu, 23 May 2019 10:33:50 +0800
Subject: [PATCH] fix bug

---
 src/Pool/AbstractPool.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Pool/AbstractPool.php b/src/Pool/AbstractPool.php
index 04d8215..2daa5ac 100644
--- a/src/Pool/AbstractPool.php
+++ b/src/Pool/AbstractPool.php
@@ -182,7 +182,7 @@ public function intervalCheck()
     public function keepMin(?int $num = null): int
     {
         if($this->createdNum < $num){
-            $left = $num = $this->createdNum;
+            $left = $num - $this->createdNum;
             while ($left > 0 ){
                 $this->initObject();
                 $left--;