diff --git a/pool.go b/pool.go
index 36fe5cb..52a16f1 100644
--- a/pool.go
+++ b/pool.go
@@ -224,7 +224,7 @@ func (p *Pool) putWorker(worker *Worker) {
 	worker.recycleTime = time.Now()
 	p.lock.Lock()
 	p.workers = append(p.workers, worker)
-	//通知有一个空闲的worker
+	// notify there is available worker
 	p.cond.Signal()
 	p.lock.Unlock()
 }
diff --git a/pool_func.go b/pool_func.go
index fbcbe9d..aff43cb 100644
--- a/pool_func.go
+++ b/pool_func.go
@@ -227,7 +227,7 @@ func (p *PoolWithFunc) putWorker(worker *WorkerWithFunc) {
 	worker.recycleTime = time.Now()
 	p.lock.Lock()
 	p.workers = append(p.workers, worker)
-	//通知有一个空闲的worker
+	// notify there is available worker
 	p.cond.Signal()
 	p.lock.Unlock()
 }