diff --git a/cos.go b/cos.go
index a6596e8..f13a238 100644
--- a/cos.go
+++ b/cos.go
@@ -22,7 +22,7 @@ import (
 
 const (
 	// Version current go sdk version
-	Version               = "0.7.18"
+	Version               = "0.7.19"
 	userAgent             = "cos-go-sdk-v5/" + Version
 	contentTypeXML        = "application/xml"
 	defaultServiceBaseURL = "http://service.cos.myqcloud.com"
diff --git a/costesting/ci_test.go b/costesting/ci_test.go
index bc5c905..84823ea 100644
--- a/costesting/ci_test.go
+++ b/costesting/ci_test.go
@@ -907,6 +907,52 @@ func (s *CosTestSuite) TestAccelerate() {
 	assert.Equal(s.T(), opt.Type, res.Type, "GetAccelerate Failed")
 }
 
+func (s *CosTestSuite) TestMultiCopy() {
+	u := "http://" + kRepBucket + "-" + s.Appid + ".cos." + kRepRegion + ".myqcloud.com"
+	iu, _ := url.Parse(u)
+	ib := &cos.BaseURL{BucketURL: iu}
+	c := cos.NewClient(ib, &http.Client{
+		Transport: &cos.AuthorizationTransport{
+			SecretID:  os.Getenv("COS_SECRETID"),
+			SecretKey: os.Getenv("COS_SECRETKEY"),
+		},
+	})
+
+	opt := &cos.BucketPutOptions{
+		XCosACL: "public-read",
+	}
+
+	// Notice in intranet the bucket host sometimes has i/o timeout problem
+	r, err := c.Bucket.Put(context.Background(), opt)
+	if err != nil && r.StatusCode == 409 {
+		fmt.Println("BucketAlreadyOwnedByYou")
+	} else if err != nil {
+		assert.Nil(s.T(), err, "PutBucket Failed")
+	}
+
+	source := "test/objectMove1" + time.Now().Format(time.RFC3339)
+	expected := "test"
+	f := strings.NewReader(expected)
+
+	r, err = c.Object.Put(context.Background(), source, f, nil)
+	assert.Nil(s.T(), err, "PutObject Failed")
+
+	time.Sleep(3 * time.Second)
+	// Copy file
+	soruceURL := fmt.Sprintf("%s/%s", iu.Host, source)
+	dest := "test/objectMove1" + time.Now().Format(time.RFC3339)
+	_, _, err = s.Client.Object.MultiCopy(context.Background(), dest, soruceURL, nil)
+	assert.Nil(s.T(), err, "MultiCopy Failed")
+
+	// Check content
+	resp, err := s.Client.Object.Get(context.Background(), dest, nil)
+	assert.Nil(s.T(), err, "GetObject Failed")
+	bs, _ := ioutil.ReadAll(resp.Body)
+	resp.Body.Close()
+	result := string(bs)
+	assert.Equal(s.T(), expected, result, "MultiCopy Failed, wrong content")
+}
+
 // End of api test
 
 // All methods that begin with "Test" are run as tests within a
diff --git a/object.go b/object.go
index e9b07cb..3b2bddb 100644
--- a/object.go
+++ b/object.go
@@ -35,7 +35,9 @@ type ObjectGetOptions struct {
 	XCosSSECustomerKey    string `header:"x-cos-server-side-encryption-customer-key,omitempty" url:"-" xml:"-"`
 	XCosSSECustomerKeyMD5 string `header:"x-cos-server-side-encryption-customer-key-MD5,omitempty" url:"-" xml:"-"`
 
-	XCosTrafficLimit int `header:"x-cos-traffic-limit,omitempty" url:"-" xml:"-"`
+	//兼容其他自定义头部
+	XOptionHeader    *http.Header `header:"-,omitempty" url:"-" xml:"-"`
+	XCosTrafficLimit int          `header:"x-cos-traffic-limit,omitempty" url:"-" xml:"-"`
 
 	// 下载进度, ProgressCompleteEvent不能表示对应API调用成功，API是否调用成功的判断标准为返回err==nil
 	Listener ProgressListener `header:"-" url:"-" xml:"-"`
@@ -355,9 +357,10 @@ func (s *ObjectService) Delete(ctx context.Context, name string, opt ...*ObjectD
 type ObjectHeadOptions struct {
 	IfModifiedSince string `url:"-" header:"If-Modified-Since,omitempty"`
 	// SSE-C
-	XCosSSECustomerAglo   string `header:"x-cos-server-side-encryption-customer-algorithm,omitempty" url:"-" xml:"-"`
-	XCosSSECustomerKey    string `header:"x-cos-server-side-encryption-customer-key,omitempty" url:"-" xml:"-"`
-	XCosSSECustomerKeyMD5 string `header:"x-cos-server-side-encryption-customer-key-MD5,omitempty" url:"-" xml:"-"`
+	XCosSSECustomerAglo   string       `header:"x-cos-server-side-encryption-customer-algorithm,omitempty" url:"-" xml:"-"`
+	XCosSSECustomerKey    string       `header:"x-cos-server-side-encryption-customer-key,omitempty" url:"-" xml:"-"`
+	XCosSSECustomerKeyMD5 string       `header:"x-cos-server-side-encryption-customer-key-MD5,omitempty" url:"-" xml:"-"`
+	XOptionHeader         *http.Header `header:"-,omitempty" url:"-" xml:"-"`
 }
 
 // Head Object请求可以取回对应Object的元数据，Head的权限与Get的权限一致