diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index f5f0d88..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-language: go
-
-go:
-  - 1.15
-  - tip
-
-before_install:
-  - go get -t -v ./...
-
-script:
-  - go test -race -coverprofile=coverage.txt -covermode=atomic
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
-    
diff --git a/README.md b/README.md
index 7ecb336..446de9f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # AnyLink
 
 [![PkgGoDev](https://pkg.go.dev/badge/github.com/bjdgyc/anylink)](https://pkg.go.dev/github.com/bjdgyc/anylink)
+[![Go Report Card](https://goreportcard.com/badge/github.com/bjdgyc/anylink)](https://goreportcard.com/report/github.com/bjdgyc/anylink)
+[![codecov](https://codecov.io/gh/bjdgyc/anylink/branch/master/graph/badge.svg)](https://codecov.io/gh/bjdgyc/anylink)
 
 AnyLink 是一个企业级远程办公ssl vpn软件，可以支持多人同时在线使用。
 
@@ -52,7 +54,7 @@ sudo ./anylink -conf="conf/server.toml"
 - [x] 流量控制
 - [x] 后台管理界面
 - [x] 访问权限管理
-
+  
 - [ ] DTLS-UDP通道
 
 ## Config
diff --git a/sessdata/ip_pool_test.go b/sessdata/ip_pool_test.go
index 72d32f0..d1583cb 100644
--- a/sessdata/ip_pool_test.go
+++ b/sessdata/ip_pool_test.go
@@ -12,27 +12,35 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func preIpData() {
+func preData(tmpDir string) {
+	tmpDb := path.Join(tmpDir, "test.db")
+	base.Cfg.DbFile = tmpDb
 	base.Cfg.Ipv4Network = "192.168.3.0"
 	base.Cfg.Ipv4Netmask = "255.255.255.0"
 	base.Cfg.Ipv4Pool = []string{"192.168.3.1", "192.168.3.199"}
-	tmpDb := path.Join(os.TempDir(), "anylink_test.db")
-	base.Cfg.DbFile = tmpDb
+	base.Cfg.MaxClient = 100
+	base.Cfg.MaxUserClient = 3
+
 	dbdata.Start()
+	group := dbdata.Group{
+		Name:      "group1",
+		Bandwidth: 1000,
+	}
+	dbdata.Save(&group)
+	initIpPool()
 }
 
-func closeIpdata() {
+func cleardata(tmpDir string) {
 	dbdata.Stop()
-	tmpDb := path.Join(os.TempDir(), "anylink_test.db")
+	tmpDb := path.Join(tmpDir, "test.db")
 	os.Remove(tmpDb)
 }
 
 func TestIpPool(t *testing.T) {
 	assert := assert.New(t)
-	preIpData()
-	defer closeIpdata()
-
-	initIpPool()
+	tmp := t.TempDir()
+	preData(tmp)
+	defer cleardata(tmp)
 
 	var ip net.IP
 
@@ -50,7 +58,7 @@ func TestIpPool(t *testing.T) {
 
 	ReleaseIp(net.IPv4(192, 168, 3, 88), "mac-88")
 	ReleaseIp(net.IPv4(192, 168, 3, 77), "mac-77")
-	// 最早过期的ip
+	// 从头循环获取可用ip
 	ip = AcquireIp("user", "mac-release-new")
-	assert.True(net.IPv4(192, 168, 3, 88).Equal(ip))
+	assert.True(net.IPv4(192, 168, 3, 77).Equal(ip))
 }
diff --git a/sessdata/session_test.go b/sessdata/session_test.go
index 3f243eb..268d918 100644
--- a/sessdata/session_test.go
+++ b/sessdata/session_test.go
@@ -18,10 +18,16 @@ func TestNewSession(t *testing.T) {
 
 func TestConnSession(t *testing.T) {
 	assert := assert.New(t)
-	preIpData()
-	defer closeIpdata()
+	tmp := t.TempDir()
+	preData(tmp)
+	defer cleardata(tmp)
+
 	sess := NewSession("")
+	sess.Group = "group1"
+	sess.MacAddr = "00:15:5d:50:14:43"
+
 	cSess := sess.NewConn()
+
 	cSess.RateLimit(100, true)
 	assert.Equal(cSess.BandwidthUp, uint32(100))
 	cSess.RateLimit(200, false)