diff --git a/.travis.yml b/.travis.yml
index 350c38de..ce031ee1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,4 +17,5 @@ install:
   - go install ./mu
 script:
   - cd mu && go build
+  - go test -cover ./...
 sudo: required
diff --git a/mu/boot.go b/mu/boot.go
index 684a87a8..2ef9235c 100644
--- a/mu/boot.go
+++ b/mu/boot.go
@@ -71,6 +71,12 @@ func boot() {
 				if err != nil {
 					Log.Error(err)
 				}
+
+				err = client.UpdateNodeInfo()
+				if err != nil {
+					Log.Error(err)
+				}
+
 			}()
 			time.Sleep(muconfig.Conf.Base.SyncTime * time.Second)
 		}
diff --git a/mu/flag.go b/mu/flag.go
index 4404baec..42a0eadd 100644
--- a/mu/flag.go
+++ b/mu/flag.go
@@ -5,13 +5,15 @@ import (
 )
 
 var (
-	debug   bool
-	logPath string
+	debug      bool
+	logPath    string
+	configPath string
 )
 
 func InitFlag() {
 	// flag.IntVar(&flagvar, "flagname", 1234, "help message for flagname")
 	flag.StringVar(&logPath, "log_path", "./ss.log", "log file path")
+	flag.StringVar(&configPath, "config_path", "./config.conf", "log file path")
 	flag.BoolVar(&debug, "debug", false, "debug")
 	flag.Parse()
 }
diff --git a/mu/log.go b/mu/log.go
index dbbc2c0c..0d5984bb 100644
--- a/mu/log.go
+++ b/mu/log.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/Sirupsen/logrus"
+	"github.com/orvice/shadowsocks-go/mu/log"
 	"io"
 	"os"
 )
@@ -22,5 +23,5 @@ func InitLog() {
 		Log.Level = logrus.DebugLevel
 		Log.Debug("debug on")
 	}
-
+	log.SetLogClient(Log)
 }
diff --git a/mu/log/client.go b/mu/log/client.go
new file mode 100644
index 00000000..6e270819
--- /dev/null
+++ b/mu/log/client.go
@@ -0,0 +1,11 @@
+package log
+
+import (
+	"github.com/orvice/shadowsocks-go/mu/user"
+)
+
+type Client interface {
+	Info(user user.User, args ...interface{})
+	Error(user user.User, args ...interface{})
+	Debug(user user.User, args ...interface{})
+}
diff --git a/mu/log/log.go b/mu/log/log.go
index d62509f9..cb5a5cc3 100644
--- a/mu/log/log.go
+++ b/mu/log/log.go
@@ -7,3 +7,7 @@ import (
 var (
 	Log = logrus.New()
 )
+
+func SetLogClient(client *logrus.Logger) {
+	Log = client
+}
diff --git a/mu/mysql/mysql.go b/mu/mysql/mysql.go
index 4d0c6204..fdbd2c2b 100644
--- a/mu/mysql/mysql.go
+++ b/mu/mysql/mysql.go
@@ -111,3 +111,7 @@ func (c *Client) GetUsers() ([]user.User, error) {
 func (c *Client) LogNodeOnlineUser(onlineUserCount int) error {
 	return nil
 }
+
+func (c *Client) UpdateNodeInfo() error {
+	return nil
+}
diff --git a/mu/system/client.go b/mu/system/client.go
new file mode 100644
index 00000000..be452d0b
--- /dev/null
+++ b/mu/system/client.go
@@ -0,0 +1,27 @@
+package system
+
+import (
+	"os/exec"
+	"strings"
+)
+
+type Client struct {
+}
+
+func GetLoad() (string, error) {
+	output, err := exec.Command("cat", "/proc/loadavg").Output()
+	if err != nil {
+		return "", err
+	}
+
+	return string(output), nil
+}
+
+func GetUptime() (string, error) {
+	output, err := exec.Command("cat", "/proc/uptime").Output()
+	if err != nil {
+		return "", err
+	}
+	loadAry := strings.Split(string(output), " ")
+	return loadAry[0], nil
+}
diff --git a/mu/system/client_test.go b/mu/system/client_test.go
new file mode 100644
index 00000000..d8bed94d
--- /dev/null
+++ b/mu/system/client_test.go
@@ -0,0 +1,21 @@
+package system
+
+import (
+	"testing"
+)
+
+func TestGetUptime(t *testing.T) {
+	output, err := GetUptime()
+	if err != nil {
+		t.Error(err)
+	}
+	t.Log(output)
+}
+
+func TestGetLoad(t *testing.T) {
+	output, err := GetLoad()
+	if err != nil {
+		t.Error(err)
+	}
+	t.Log(output)
+}
diff --git a/mu/user/user.go b/mu/user/user.go
index fd224a28..1df28939 100644
--- a/mu/user/user.go
+++ b/mu/user/user.go
@@ -24,6 +24,7 @@ func SetClient(c Client) {
 type Client interface {
 	GetUsers() ([]User, error)
 	LogNodeOnlineUser(onlineUserCount int) error
+	UpdateNodeInfo() error
 }
 
 type User interface {
diff --git a/mu/webapi/web.go b/mu/webapi/web.go
index 2f7c123c..b0beb084 100644
--- a/mu/webapi/web.go
+++ b/mu/webapi/web.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"github.com/orvice/shadowsocks-go/mu/log"
+	"github.com/orvice/shadowsocks-go/mu/system"
 	"github.com/orvice/shadowsocks-go/mu/user"
 )
 
@@ -75,8 +76,9 @@ func (c *Client) UpdateTraffic(userId int, u, d string) error {
 		return err
 	}
 	if ret.Ret == 0 {
-		return UpdateTrafficFail
+		return errors.New(ret.Msg)
 	}
+	log.Log.Debug("update traffic debug:", ret.Msg)
 	return nil
 }
 
@@ -95,3 +97,30 @@ func (c *Client) LogNodeOnlineUser(onlineUserCount int) error {
 	}
 	return nil
 }
+
+func (c *Client) UpdateNodeInfo() error {
+	uptime, err := system.GetUptime()
+	if err != nil {
+		log.Log.Error(err)
+		uptime = "0"
+	}
+
+	load, err := system.GetLoad()
+	if err != nil {
+		load = "0 0 0"
+	}
+
+	res, err := c.httpPostNodeInfo(load, uptime)
+	if err != nil {
+		return nil
+	}
+	var ret BaseRet
+	err = json.Unmarshal([]byte(res), &ret)
+	if err != nil {
+		return err
+	}
+	if ret.Ret == 0 {
+		return UpdateOnlineCountFail
+	}
+	return nil
+}
diff --git a/mu/webapi/web_net.go b/mu/webapi/web_net.go
index ed35e637..29cc9106 100644
--- a/mu/webapi/web_net.go
+++ b/mu/webapi/web_net.go
@@ -20,6 +20,10 @@ func (c *Client) genNodeOnlineCountUrl(id int) string {
 	return fmt.Sprintf("%s/nodes/%d/online_count?key=%s", c.baseUrl, id, c.key)
 }
 
+func (c *Client) genNodeInfoUrl(id int) string {
+	return fmt.Sprintf("%s/nodes/%d/info?key=%s", c.baseUrl, id, c.key)
+}
+
 func (c *Client) httpGet(urlStr string) (string, error) {
 	resp, err := http.Get(urlStr)
 	if err != nil {
@@ -68,3 +72,20 @@ func (c *Client) httpPostNodeOnlineCount(count int) (string, error) {
 	}
 	return string(body), nil
 }
+
+func (c *Client) httpPostNodeInfo(load, uptime string) (string, error) {
+	urlStr := c.genNodeInfoUrl(c.nodeId)
+	resp, err := http.PostForm(urlStr,
+		url.Values{"load": {load}, "uptime": {uptime}})
+
+	if err != nil {
+		return "", err
+	}
+
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+	return string(body), nil
+}