diff --git a/http.go b/http.go
index d448f49..c4cde0f 100755
--- a/http.go
+++ b/http.go
@@ -1,6 +1,8 @@
 package network
 
 import (
+	"bytes"
+	"encoding/xml"
 	"io/ioutil"
 	"net/http"
 	"strings"
@@ -97,7 +99,7 @@ func SendXml(method, url string, requestxml interface{}, header ...map[string]st
 
 	httpClient := &http.Client{}
 
-	req, err := http.NewRequest(method, url, bytes.NewBuffer(param))
+	req, err := http.NewRequest(method, url, bytes.NewBuffer(bytexml))
 	if err != nil {
 		return []byte(""), err
 	}