diff --git a/cmd/gf/internal/consts/consts_gen_ctrl_template_sdk.go b/cmd/gf/internal/consts/consts_gen_ctrl_template_sdk.go
index 92177fbf2fc..09f3795e393 100644
--- a/cmd/gf/internal/consts/consts_gen_ctrl_template_sdk.go
+++ b/cmd/gf/internal/consts/consts_gen_ctrl_template_sdk.go
@@ -26,12 +26,6 @@ type implementer struct {
 }
 
 func New(config httpclient.Config) IClient {
-	if !gstr.HasPrefix(config.URL, "http") {
-		config.URL = fmt.Sprintf("http://%s", config.URL)
-	}
-	if config.Logger == nil {
-		config.Logger = g.Log()
-	}
 	return &implementer{
 		config: config,
 	}
diff --git a/contrib/sdk/httpclient/httpclient.go b/contrib/sdk/httpclient/httpclient.go
index d8117335b4c..99655679a8c 100644
--- a/contrib/sdk/httpclient/httpclient.go
+++ b/contrib/sdk/httpclient/httpclient.go
@@ -9,10 +9,12 @@ package httpclient
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 
 	"github.com/gogf/gf/v2/encoding/gurl"
 	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/net/gclient"
 	"github.com/gogf/gf/v2/net/ghttp"
 	"github.com/gogf/gf/v2/text/gregex"
@@ -25,7 +27,7 @@ import (
 // Client is an http client for SDK.
 type Client struct {
 	*gclient.Client
-	IHandler
+	Handler
 }
 
 // New creates and returns an http client for SDK.
@@ -34,13 +36,19 @@ func New(config Config) *Client {
 	if client == nil {
 		client = gclient.New()
 	}
+	if config.Logger == nil {
+		config.Logger = g.Log()
+	}
 	handler := config.Handler
 	if handler == nil {
 		handler = NewDefaultHandler(config)
 	}
+	if !gstr.HasPrefix(config.URL, "http") {
+		config.URL = fmt.Sprintf("http://%s", config.URL)
+	}
 	return &Client{
-		Client:   client.Prefix(config.URL),
-		IHandler: handler,
+		Client:  client.Prefix(config.URL),
+		Handler: handler,
 	}
 }
 
diff --git a/contrib/sdk/httpclient/httpclient_config.go b/contrib/sdk/httpclient/httpclient_config.go
index 8b3f8f67fcf..eccb45323fb 100644
--- a/contrib/sdk/httpclient/httpclient_config.go
+++ b/contrib/sdk/httpclient/httpclient_config.go
@@ -15,7 +15,7 @@ import (
 type Config struct {
 	URL     string          `v:"required"` // Service address. Eg: user.svc.local, http://user.svc.local
 	Client  *gclient.Client // Custom underlying client.
-	Handler IHandler        // Custom response handler.
+	Handler Handler         // Custom response handler.
 	Logger  *glog.Logger    // Custom logger.
 	RawDump bool            // Whether auto dump request&response in stdout.
 }
diff --git a/contrib/sdk/httpclient/handler.go b/contrib/sdk/httpclient/httpclient_handler.go
similarity index 71%
rename from contrib/sdk/httpclient/handler.go
rename to contrib/sdk/httpclient/httpclient_handler.go
index 1f598dcee00..848233a9d30 100644
--- a/contrib/sdk/httpclient/handler.go
+++ b/contrib/sdk/httpclient/httpclient_handler.go
@@ -1,3 +1,9 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
 package httpclient
 
 import (
@@ -11,7 +17,10 @@ import (
 	"github.com/gogf/gf/v2/os/glog"
 )
 
-type IHandler interface {
+// Handler is the interface for http response handling.
+type Handler interface {
+	// HandleResponse handles the http response and transforms its body to the specified object.
+	// The parameter `out` specifies the object that the response body is transformed to.
 	HandleResponse(ctx context.Context, res *gclient.Response, out interface{}) error
 }