diff --git a/pkg/apiutil/apiutil.go b/pkg/apiutil/apiutil.go
index e0ea437daff9..12e6d6f0577b 100644
--- a/pkg/apiutil/apiutil.go
+++ b/pkg/apiutil/apiutil.go
@@ -37,7 +37,7 @@ var (
 =======
 	// ComponentSignatureKey is used for http request header key
 	// to identify component signature
-	ComponentSignatureKey = "ti-component"
+	ComponentSignatureKey = "component"
 	// ComponentAnonymousValue identify anonymous request source
 	ComponentAnonymousValue = "anonymous"
 >>>>>>> baa5163b (close #4490: add teset)
diff --git a/tools/pd-ctl/pdctl/command/global.go b/tools/pd-ctl/pdctl/command/global.go
index 8c145895db74..a9c19ee7e443 100644
--- a/tools/pd-ctl/pdctl/command/global.go
+++ b/tools/pd-ctl/pdctl/command/global.go
@@ -37,9 +37,17 @@ import (
 )
 
 var (
+<<<<<<< HEAD
 	pdControllerComponentName = "pdctl"
 	dialClient                = &http.Client{
 		Transport: apiutil.NewComponentSignatureRoundTripper(http.DefaultTransport, &pdControllerComponentName),
+=======
+	dialClient = &http.Client{
+		Transport: &apiutil.UserSignatureRoundTripper{
+			Component: "pdctl",
+			Proxied:   http.DefaultTransport,
+		},
+>>>>>>> 377c854c (close #4490: fix transport and change component key)
 	}
 	pingPrefix = "pd/api/v1/ping"
 )