diff --git a/client.go b/client.go
index 4d9a3ab..9b3e333 100644
--- a/client.go
+++ b/client.go
@@ -194,7 +194,11 @@ func (obj *Client) SetGetProxy(getProxy func(ctx context.Context, url *url.URL)
 }
 
 // 关闭客户端
+func (obj *Client) CloseIdleConnections() {
+	obj.transport.CloseIdleConnections()
+}
 func (obj *Client) Close() {
+	obj.CloseIdleConnections()
 	obj.cnl()
 }
 
diff --git a/roundTripper.go b/roundTripper.go
index 3b0bce7..8a3e87a 100644
--- a/roundTripper.go
+++ b/roundTripper.go
@@ -113,9 +113,10 @@ func (obj *RoundTripper) newConnPool(key string, conn *connecotr) *connPool {
 	go pool.rwMain(conn)
 	return pool
 }
-func (obj *RoundTripper) delConnPool(key string) {
+func (obj *RoundTripper) delConnPool(key string, pool *connPool) {
 	obj.connsLock.Lock()
 	defer obj.connsLock.Unlock()
+	pool.Close()
 	delete(obj.connPools, key)
 }
 func (obj *RoundTripper) getConnPool(key string) *connPool {
@@ -303,13 +304,14 @@ func (obj *connPool) rwMain(conn *connecotr) {
 	conn.ctx, conn.cnl = context.WithCancel(obj.ctx)
 	defer func() {
 		if obj.total.Load() == 0 {
-			obj.rt.delConnPool(obj.key)
+			obj.rt.delConnPool(obj.key, obj)
 		}
 	}()
 	defer obj.total.Add(-1)
 	defer conn.Close()
 	wait := time.NewTimer(0)
 	defer wait.Stop()
+	defer conn.cnl()
 	go func() {
 		defer conn.cnl()
 		for {
@@ -460,6 +462,12 @@ func (obj *RoundTripper) poolRoundTrip(task *reqTask, key string) (bool, error)
 	}
 	return false, nil
 }
+
+func (obj *RoundTripper) CloseIdleConnections() {
+	for key, pool := range obj.connPools {
+		obj.delConnPool(key, pool)
+	}
+}
 func (obj *RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
 	ctxData := req.Context().Value(keyPrincipalID).(*reqCtxData)
 	if ctxData.requestCallBack != nil {