diff --git a/url.go b/url.go
index 72260a9..2605705 100755
--- a/url.go
+++ b/url.go
@@ -4,6 +4,7 @@
 package network
 
 import (
+	"bytes"
 	"crypto/md5"
 	"encoding/hex"
 	"errors"
@@ -45,6 +46,33 @@ func FnPost(url, param string) ([]byte, error) {
 	return body, nil
 }
 
+/**
+ * post 请求
+ */
+func PostJson(url string, param []byte) ([]byte, error) {
+	httpClient := &http.Client{}
+
+	req, err := http.NewRequest("POST", url, bytes.NewBuffer(param))
+	if err != nil {
+		return []byte(""), err
+	}
+
+	req.Header.Set("Content-Type", "application/json")
+
+	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
+}
+
 /**
  * 取本地IP
  */