diff --git a/internal/flaghttp/client.go b/internal/flaghttp/client.go
index 8d212e5..ee30ef8 100644
--- a/internal/flaghttp/client.go
+++ b/internal/flaghttp/client.go
@@ -1,6 +1,7 @@
 package flaghttp
 
 import (
+	"net"
 	"net/http"
 	"net/url"
 	"time"
@@ -34,8 +35,19 @@ type client struct {
 
 func NewClient() Client {
 	return &client{
-		header:    http.Header{},
-		transport: &http.Transport{},
+		header: http.Header{},
+		transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+			DialContext: (&net.Dialer{
+				Timeout:   30 * time.Second,
+				KeepAlive: 30 * time.Second,
+			}).DialContext,
+			ForceAttemptHTTP2:     true,
+			MaxIdleConns:          100,
+			IdleConnTimeout:       90 * time.Second,
+			TLSHandshakeTimeout:   10 * time.Second,
+			ExpectContinueTimeout: 1 * time.Second,
+		},
 	}
 }