diff --git a/pool/pool.go b/pool/pool.go
index 5f67e83..af597ad 100644
--- a/pool/pool.go
+++ b/pool/pool.go
@@ -69,7 +69,7 @@ func NewJsRuntimePool(mainScript string, useFileName string, staticPath string,
 		}()
 		for {
 			jrp.jsRuntimePool.PreparePool(jrp.ctx)
-			time.Sleep(time.Second / 5)
+			time.Sleep(time.Second * 2)
 		}
 	}
 	go preparePoolTask()
@@ -78,13 +78,13 @@ func NewJsRuntimePool(mainScript string, useFileName string, staticPath string,
 	useSrcTask = func() {
 		defer func() {
 			recover()
-			time.Sleep(time.Second)
+			time.Sleep(time.Second * 3)
 			useSrcTask()
 		}()
 		for {
 			raw, _ := ioutil.ReadFile(useFileName)
 			useSrc = string(raw)
-			time.Sleep(time.Second)
+			time.Sleep(time.Second * 3)
 		}
 	}
 	go useSrcTask()