diff --git a/pool.go b/pool.go
index 7224e3d..ee14834 100644
--- a/pool.go
+++ b/pool.go
@@ -117,6 +117,8 @@ func (p *Pool) ReSize(size int) {
 		for i := 0; i < diff; i++ {
 			p.getWorker().stop()
 		}
+	} else if size == p.Cap() {
+		return
 	}
 	atomic.StoreInt32(&p.capacity, int32(size))
 }
diff --git a/pool_func.go b/pool_func.go
index f8354d0..aac9889 100644
--- a/pool_func.go
+++ b/pool_func.go
@@ -122,6 +122,8 @@ func (p *PoolWithFunc) ReSize(size int) {
 		for i := 0; i < diff; i++ {
 			p.getWorker().stop()
 		}
+	} else if size == p.Cap(){
+		return
 	}
 	atomic.StoreInt32(&p.capacity, int32(size))
 }