diff --git a/src/Pool/AbstractPool.php b/src/Pool/AbstractPool.php
index 7ff0bb0..4d7dca6 100644
--- a/src/Pool/AbstractPool.php
+++ b/src/Pool/AbstractPool.php
@@ -30,7 +30,9 @@ public function __construct($maxNum = 10,$intervalCheckTime = 30*1000,$idleGCTim
         $this->max = $maxNum;
         $this->intervalCheckTime = $intervalCheckTime;
         $this->idleGCTime = $idleGCTime;
-        swoole_timer_tick($intervalCheckTime,[$this,'intervalCheck']);
+        if($intervalCheckTime > 0){
+            swoole_timer_tick($intervalCheckTime,[$this,'intervalCheck']);
+        }
     }
 
     /*