diff --git a/http.go b/http.go
index b1180c3..d448f49 100755
--- a/http.go
+++ b/http.go
@@ -84,3 +84,43 @@ func SendHttp(method, url string, param map[string]string, header ...map[string]
 
 	return body, nil
 }
+
+/**
+ * send xml
+ */
+func SendXml(method, url string, requestxml interface{}, header ...map[string]string) ([]byte, error) {
+
+	bytexml, err := xml.Marshal(&requestxml)
+	if err != nil {
+		return []byte(""), err
+	}
+
+	httpClient := &http.Client{}
+
+	req, err := http.NewRequest(method, url, bytes.NewBuffer(param))
+	if err != nil {
+		return []byte(""), err
+	}
+
+	req.Header.Add("Content-Type", "application/xml; charset=utf-8")
+
+	if len(header) > 0 {
+		for _, item := range header {
+			for k, v := range item {
+				req.Header.Add(k, v)
+			}
+		}
+	}
+	resp, err := httpClient.Do(req)
+	if err != nil {
+		return []byte(""), err
+	}
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return []byte(""), err
+	}
+
+	return body, nil
+}
diff --git a/url.go b/url.go
index 09a43c4..b5dd246 100755
--- a/url.go
+++ b/url.go
@@ -100,7 +100,7 @@ func PostJsonData(url string, param interface{}, header ...map[string]string) ([
 	if len(header) > 0 {
 		for _, item := range header {
 			for k, v := range item {
-				req.Header.Set(k, v)
+				req.Header[k] = []string{v}
 			}
 		}
 	}