diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3bb3a4f7..87a34e0b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # developing
 
 - Add http client and option func. [4455](https://github.com/beego/beego/issues/4455)
+- Add: Convenient way to generate mock object [4620](https://github.com/beego/beego/issues/4620)
 - Infra: use dependabot to update dependencies. [4623](https://github.com/beego/beego/pull/4623)
 - Lint: use golangci-lint. [4619](https://github.com/beego/beego/pull/4619)
 - Chore: format code. [4615](https://github.com/beego/beego/pull/4615)
diff --git a/client/httplib/client_option.go b/client/httplib/client_option.go
index db81ec50..f970e67d 100644
--- a/client/httplib/client_option.go
+++ b/client/httplib/client_option.go
@@ -21,8 +21,10 @@ import (
 	"time"
 )
 
-type ClientOption func(client *Client)
-type BeegoHTTPRequestOption func(request *BeegoHTTPRequest)
+type (
+	ClientOption           func(client *Client)
+	BeegoHTTPRequestOption func(request *BeegoHTTPRequest)
+)
 
 // WithEnableCookie will enable cookie in all subsequent request
 func WithEnableCookie(enable bool) ClientOption {
diff --git a/client/httplib/httpclient.go b/client/httplib/httpclient.go
index 45916a40..32ab4d6c 100644
--- a/client/httplib/httpclient.go
+++ b/client/httplib/httpclient.go
@@ -30,9 +30,9 @@ type Client struct {
 	Setting BeegoHTTPSettings
 }
 
-// HTTPResponseCarrier If value implement HTTPResponseCarrier. http.Response will pass to SetHttpResponse
+// HTTPResponseCarrier If value implement HTTPResponseCarrier. http.Response will pass to SetHTTPResponse
 type HTTPResponseCarrier interface {
-	SetHttpResponse(resp *http.Response)
+	SetHTTPResponse(resp *http.Response)
 }
 
 // HTTPBodyCarrier If value implement HTTPBodyCarrier. http.Response.Body will pass to SetReader
@@ -52,7 +52,7 @@ type HTTPStatusCarrier interface {
 }
 
 // HttpHeaderCarrier If value implement HttpHeaderCarrier. http.Response.Header will pass to SetHeader
-type HttpHeadersCarrier interface {
+type HTTPHeadersCarrier interface {
 	SetHeader(header map[string][]string)
 }
 
@@ -91,6 +91,7 @@ func (c *Client) handleResponse(value interface{}, req *BeegoHTTPRequest) error
 // handleCarrier set http data to value
 func (c *Client) handleCarrier(value interface{}, req *BeegoHTTPRequest) error {
 	resp, err := req.Response()
+	defer resp.Body.Close()
 	if err != nil {
 		return err
 	}
@@ -104,7 +105,7 @@ func (c *Client) handleCarrier(value interface{}, req *BeegoHTTPRequest) error {
 			return err
 		}
 		resp.Body = ioutil.NopCloser(bytes.NewReader(b))
-		carrier.SetHttpResponse(resp)
+		carrier.SetHTTPResponse(resp)
 	}
 	if carrier, ok := value.(HTTPBodyCarrier); ok {
 		b, err := req.Bytes()
@@ -124,7 +125,7 @@ func (c *Client) handleCarrier(value interface{}, req *BeegoHTTPRequest) error {
 	if carrier, ok := value.(HTTPStatusCarrier); ok {
 		carrier.SetStatusCode(resp.StatusCode)
 	}
-	if carrier, ok := value.(HttpHeadersCarrier); ok {
+	if carrier, ok := value.(HTTPHeadersCarrier); ok {
 		carrier.SetHeader(resp.Header)
 	}
 	return nil
diff --git a/client/httplib/httpclient_test.go b/client/httplib/httpclient_test.go
index e13bdf74..6437e534 100644
--- a/client/httplib/httpclient_test.go
+++ b/client/httplib/httpclient_test.go
@@ -41,7 +41,7 @@ type slideShowResponse struct {
 	Slideshow slideshow `json:"slideshow" yaml:"slideshow"`
 }
 
-func (r *slideShowResponse) SetHttpResponse(resp *http.Response) {
+func (r *slideShowResponse) SetHTTPResponse(resp *http.Response) {
 	r.Resp = resp
 }
 
diff --git a/client/httplib/httplib.go b/client/httplib/httplib.go
index be4f388e..6a78e13b 100644
--- a/client/httplib/httplib.go
+++ b/client/httplib/httplib.go
@@ -49,7 +49,6 @@ import (
 	"strings"
 	"time"
 
-	xrv "github.com/mattermost/xml-roundtrip-validator"
 	"gopkg.in/yaml.v2"
 
 	"github.com/beego/beego/v2/core/berror"
@@ -639,10 +638,6 @@ func (b *BeegoHTTPRequest) ToXML(v interface{}) error {
 	if err != nil {
 		return err
 	}
-	if err := xrv.Validate(bytes.NewReader(data)); err != nil {
-		return err
-	}
-
 	return berror.Wrap(xml.Unmarshal(data, v),
 		UnmarshalXMLResponseToObjectFailed, "unmarshal xml body to object failed.")
 }
@@ -668,6 +663,7 @@ func (b *BeegoHTTPRequest) ToValue(value interface{}) error {
 	}
 
 	resp, err := b.Response()
+	defer resp.Body.Close()
 	if err != nil {
 		return err
 	}
diff --git a/go.mod b/go.mod
index abef3a2b..99b24947 100644
--- a/go.mod
+++ b/go.mod
@@ -23,7 +23,6 @@ require (
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/ledisdb/ledisdb v0.0.0-20200510135210-d35789ec47e6
 	github.com/lib/pq v1.10.2
-	github.com/mattermost/xml-roundtrip-validator v0.1.0
 	github.com/mattn/go-sqlite3 v1.14.7
 	github.com/mitchellh/mapstructure v1.4.1
 	github.com/opentracing/opentracing-go v1.2.0
diff --git a/go.sum b/go.sum
index a60bd832..91616ec7 100644
--- a/go.sum
+++ b/go.sum
@@ -226,8 +226,6 @@ github.com/lib/pq v1.10.2/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-bc2310a04743/go.mod h1:qklhhLq1aX+mtWk9cPHPzaBjWImj5ULL6C7HFJtXQMM=
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
-github.com/mattermost/xml-roundtrip-validator v0.1.0 h1:RXbVD2UAl7A7nOTR4u7E3ILa4IbtvKBHw64LDsmu9hU=
-github.com/mattermost/xml-roundtrip-validator v0.1.0/go.mod h1:qccnGMcpgwcNaBnxqpJpWWUiPNr5H3O8eDgGV9gT5To=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=