update post

utils/post.go

 package utils
 
 import (
-	"github.com/astaxie/beego/httplib"
+	"bytes"
+	"net/http"
 )
 
 func Post(url string, data []byte) error {
-	_, err := httplib.Post(url).Body(data).Response()
+	tr := &http.Transport{
+		DisableKeepAlives: true,
+	}
+	client := &http.Client{Transport: tr}
+
+	resp, err := client.Post(url, "raw", bytes.NewBuffer(data))
 	if err != nil {
 		return err
 	}
+	defer resp.Body.Close()
 	return nil
 }