diff --git a/README.md b/README.md
index 6cde2a5..62fceef 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ AnyLink 基于 [ietf-openconnect](https://tools.ietf.org/html/draft-mavrogiannop
 
 AnyLink 使用TLS/DTLS进行数据加密，因此需要RSA或ECC证书，可以通过 Let's Encrypt 和 TrustAsia 申请免费的SSL证书。
 
-AnyLink 服务端仅在CentOS7测试通过，如需要安装在其他系统，需要服务端支持tun/tap功能、ip设置命令。
+AnyLink 服务端仅在CentOS7、Ubuntu测试通过，如需要安装在其他系统，需要服务端支持tun/tap功能、ip设置命令。
 
 ## Screenshot
 
@@ -36,9 +36,12 @@ git clone https://github.com/bjdgyc/anylink.git
 cd anylink
 sh deploy.sh
 
-#注意使用root权限运行
+# 注意使用root权限运行
 cd anylink-deploy
 sudo ./anylink -conf="conf/server.toml"
+
+# 默认管理后台访问地址
+# http://host:8800
 ```
 
 ## Feature
@@ -155,8 +158,9 @@ sh bridge-init.sh
 本项目采用 MIT 开源授权许可证，完整的授权说明已放置在 LICENSE 文件中。
 
 
-
-
+## Thank
+
+[![jetbrains.png](https://gitee.com/bjdgyc/anylink/raw/master/screenshot/jetbrains.png)](https://www.jetbrains.com)
 
 
 
diff --git a/admin/api_base.go b/admin/api_base.go
index c44a721..e3454b3 100644
--- a/admin/api_base.go
+++ b/admin/api_base.go
@@ -10,26 +10,26 @@ import (
 	"github.com/gorilla/mux"
 )
 
-// 登陆接口
+// Login 登陆接口
 func Login(w http.ResponseWriter, r *http.Request) {
 	// TODO 调试信息输出
 	// hd, _ := httputil.DumpRequest(r, true)
 	// fmt.Println("DumpRequest: ", string(hd))
 
 	_ = r.ParseForm()
-	admin_user := r.PostFormValue("admin_user")
-	admin_pass := r.PostFormValue("admin_pass")
+	adminUser := r.PostFormValue("admin_user")
+	adminPass := r.PostFormValue("admin_pass")
 
 	// 认证错误
-	if !(admin_user == base.Cfg.AdminUser &&
-		utils.PasswordVerify(admin_pass, base.Cfg.AdminPass)) {
+	if !(adminUser == base.Cfg.AdminUser &&
+		utils.PasswordVerify(adminPass, base.Cfg.AdminPass)) {
 		RespError(w, RespUserOrPassErr)
 		return
 	}
 
 	// token有效期
 	expiresAt := time.Now().Unix() + 3600*3
-	jwtData := map[string]interface{}{"admin_user": admin_user}
+	jwtData := map[string]interface{}{"admin_user": adminUser}
 	tokenString, err := SetJwtData(jwtData, expiresAt)
 	if err != nil {
 		RespError(w, 1, err)
@@ -38,7 +38,7 @@ func Login(w http.ResponseWriter, r *http.Request) {
 
 	data := make(map[string]interface{})
 	data["token"] = tokenString
-	data["admin_user"] = admin_user
+	data["admin_user"] = adminUser
 	data["expires_at"] = expiresAt
 
 	RespSucess(w, data)
diff --git a/admin/common_test.go b/admin/common_test.go
new file mode 100644
index 0000000..46793df
--- /dev/null
+++ b/admin/common_test.go
@@ -0,0 +1,23 @@
+package admin
+
+import (
+	"testing"
+	"time"
+
+	"github.com/bjdgyc/anylink/base"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJwtData(t *testing.T) {
+	assert := assert.New(t)
+	base.Cfg.JwtSecret = "dsfasfdfsadfasdfasd3sdaf"
+	data := map[string]interface{}{
+		"key": "value",
+	}
+	expiresAt := time.Now().Add(time.Minute).Unix()
+	token, err := SetJwtData(data, expiresAt)
+	assert.Nil(err)
+	dataN, err := GetJwtData(token)
+	assert.Nil(err)
+	assert.Equal(dataN["key"], "value")
+}
diff --git a/base/cfg_server.go b/base/cfg_server.go
index 7280e52..5209944 100644
--- a/base/cfg_server.go
+++ b/base/cfg_server.go
@@ -40,7 +40,8 @@ type ServerConfig struct {
 	CertFile      string `toml:"cert_file" info:"证书文件"`
 	CertKey       string `toml:"cert_key" info:"证书密钥"`
 	UiPath        string `toml:"ui_path" info:"ui文件路径"`
-	DownFilesPath string `toml:"down_files_path" info:"外部下载文件路径"`
+	FilesPath     string `toml:"files_path" info:"外部下载文件路径"`
+	LogPath       string `toml:"log_path" info:"日志文件路径"`
 	LogLevel      string `toml:"log_level" info:"日志等级"`
 	Issuer        string `toml:"issuer" info:"系统名称"`
 	AdminUser     string `toml:"admin_user" info:"管理用户名"`
@@ -83,7 +84,8 @@ func initServerCfg() {
 	Cfg.CertFile = getAbsPath(base, Cfg.CertFile)
 	Cfg.CertKey = getAbsPath(base, Cfg.CertKey)
 	Cfg.UiPath = getAbsPath(base, Cfg.UiPath)
-	Cfg.DownFilesPath = getAbsPath(base, Cfg.DownFilesPath)
+	Cfg.FilesPath = getAbsPath(base, Cfg.FilesPath)
+	Cfg.LogPath = getAbsPath(base, Cfg.LogPath)
 
 	if len(Cfg.JwtSecret) < 20 {
 		fmt.Println("请设置 jwt_secret 长度20位以上")
@@ -94,6 +96,10 @@ func initServerCfg() {
 }
 
 func getAbsPath(base, cfile string) string {
+	if cfile == "" {
+		return ""
+	}
+
 	abs := filepath.IsAbs(cfile)
 	if abs {
 		return cfile
diff --git a/base/flag.go b/base/flag.go
index 2324747..769f829 100644
--- a/base/flag.go
+++ b/base/flag.go
@@ -26,7 +26,7 @@ var (
 )
 
 func initFlag() {
-	flag.StringVar(&serverFile, "conf", "./conf/server.toml", "server config file path")
+	flag.StringVar(&serverFile, "conf", "./conf/server.toml", "server config files path")
 	flag.StringVar(&passwd, "passwd", "", "convert the password plaintext")
 	flag.BoolVar(&secret, "secret", false, "generate a random jwt secret")
 	flag.BoolVar(&rev, "rev", false, "display version info")
diff --git a/base/log.go b/base/log.go
index 7c5efc0..86034fc 100644
--- a/base/log.go
+++ b/base/log.go
@@ -4,7 +4,9 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path"
 	"strings"
+	"time"
 )
 
 const (
@@ -19,11 +21,65 @@ var (
 	baseLog   *log.Logger
 	baseLevel int
 	levels    map[int]string
+
+	dateFormat = "2006-01-02"
+	logName    = "anylink.log"
 )
 
+// 实现 os.Writer 接口
+type logWriter struct {
+	UseStdout bool
+	FileName  string
+	File      *os.File
+	NowDate   string
+}
+
+// 实现日志文件的切割
+func (lw *logWriter) Write(p []byte) (n int, err error) {
+	if !lw.UseStdout {
+		return lw.File.Write(p)
+	}
+
+	date := time.Now().Format(dateFormat)
+	if lw.NowDate != date {
+		_ = lw.File.Close()
+		_ = os.Rename(lw.FileName, lw.FileName+"."+lw.NowDate)
+		lw.NowDate = date
+		lw.newFile()
+	}
+	return lw.File.Write(p)
+}
+
+// 创建新文件
+func (lw *logWriter) newFile() {
+	if lw.UseStdout {
+		lw.File = os.Stdout
+		return
+	}
+
+	f, err := os.OpenFile(lw.FileName, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+	if err != nil {
+		panic(err)
+	}
+	lw.File = f
+}
+
 func initLog() {
-	baseLog = log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile)
+	// 初始化 baseLog
+	baseLw := &logWriter{
+		UseStdout: Cfg.LogPath == "",
+		FileName:  path.Join(Cfg.LogPath, logName),
+		NowDate:   time.Now().Format(dateFormat),
+	}
+
+	baseLw.newFile()
 	baseLevel = logLevel2Int(Cfg.LogLevel)
+	baseLog = log.New(baseLw, "", log.LstdFlags|log.Lshortfile)
+}
+
+// 获取 log.Logger
+func GetBaseLog() *log.Logger {
+	return baseLog
 }
 
 func logLevel2Int(l string) int {
diff --git a/conf/server.toml b/conf/server.toml
index 98f873b..abb0244 100644
--- a/conf/server.toml
+++ b/conf/server.toml
@@ -9,8 +9,9 @@ db_file = "./data.db"
 cert_file = "./vpn_cert.pem"
 cert_key = "./vpn_cert.key"
 ui_path = "../ui"
-down_files_path = "../down_files"
-
+files_path = "../files"
+#日志目录,为空写入标准输出
+log_path = "../log"
 log_level = "info"
 
 #系统名称
diff --git a/deploy.sh b/deploy.sh
index cc052c6..d25a14d 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -16,6 +16,7 @@ cd ../
 
 #整理部署文件
 mkdir anylink-deploy
+mkdir anylink-deploy/log
 
 cp -r anylink anylink-deploy
 cp -r anylink-web/ui anylink-deploy
diff --git a/down_files/.gitignore b/files/.gitignore
similarity index 100%
rename from down_files/.gitignore
rename to files/.gitignore
diff --git a/down_files/index.html b/files/index.html
similarity index 100%
rename from down_files/index.html
rename to files/index.html
diff --git a/go.mod b/go.mod
index 243057d..c51bbb5 100644
--- a/go.mod
+++ b/go.mod
@@ -6,21 +6,20 @@ require (
 	github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d // indirect
 	github.com/asdine/storm/v3 v3.2.1
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	github.com/go-ole/go-ole v1.2.4 // indirect
+	github.com/go-ole/go-ole v1.2.5 // indirect
 	github.com/google/gopacket v1.1.19
 	github.com/gorilla/mux v1.8.0
-	github.com/mojocn/base64Captcha v1.3.1
 	github.com/pelletier/go-toml v1.8.1
-	github.com/shirou/gopsutil v3.20.11+incompatible
+	github.com/shirou/gopsutil v3.21.1+incompatible
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/songgao/packets v0.0.0-20160404182456-549a10cd4091
 	github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8
-	github.com/stretchr/testify v1.6.1
-	github.com/xhit/go-simple-mail/v2 v2.6.0
+	github.com/stretchr/testify v1.7.0
+	github.com/xhit/go-simple-mail/v2 v2.8.0
 	github.com/xlzd/gotp v0.0.0-20181030022105-c8557ba2c119
 	go.etcd.io/bbolt v1.3.5
-	golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9
-	golang.org/x/net v0.0.0-20201209123823-ac852fbbde11
-	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324
+	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
+	golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1
 )
diff --git a/go.sum b/go.sum
index 9c7a53a..35d15d2 100644
--- a/go.sum
+++ b/go.sum
@@ -4,17 +4,18 @@ github.com/Sereal/Sereal v0.0.0-20190618215532-0b8ac451a863 h1:BRrxwOZBolJN4gIwv
 github.com/Sereal/Sereal v0.0.0-20190618215532-0b8ac451a863/go.mod h1:D0JMgToj/WdxCgd30Kc1UcA9E+WdZoJqeVOuYW7iTBM=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/asdine/storm v1.1.0 h1:lwDLqMMPhokfYk8EuU1RRHTi54T68EI+QnCqK5t4TCM=
+github.com/asdine/storm v2.1.2+incompatible h1:dczuIkyqwY2LrtXPz8ixMrU/OFgZp71kbKTHGrXYt/Q=
 github.com/asdine/storm/v3 v3.2.1 h1:I5AqhkPK6nBZ/qJXySdI7ot5BlXSZ7qvDY1zAn5ZJac=
 github.com/asdine/storm/v3 v3.2.1/go.mod h1:LEpXwGt4pIqrE/XcTvCnZHT5MgZCV6Ub9q7yQzOFWr0=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgrijalva/jwt-go v1.0.2 h1:KPldsxuKGsS2FPWsNeg9ZO18aCrGKujPoWXn2yo+KQM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
-github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
+github.com/go-ole/go-ole v1.2.5 h1:t4MGB5xEDZvXI+0rMjjsfBsD7yAgp/s9ZDkL1JndXwY=
+github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -29,14 +30,12 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mojocn/base64Captcha v1.3.1 h1:2Wbkt8Oc8qjmNJ5GyOfSo4tgVQPsbKMftqASnq8GlT0=
-github.com/mojocn/base64Captcha v1.3.1/go.mod h1:wAQCKEc5bDujxKRmbT6/vTnTt5CjStQ8bRfPWUuz/iY=
 github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=
 github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/shirou/gopsutil v3.20.11+incompatible h1:LJr4ZQK4mPpIV5gOa4jCOKOGb4ty4DZO54I4FGqIpto=
-github.com/shirou/gopsutil v3.20.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/gopsutil v3.21.1+incompatible h1:2LwXWdbjXwyDgq26Yy/OT4xozlpmssQfy/rtfhWb0bY=
+github.com/shirou/gopsutil v3.21.1+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
 github.com/songgao/packets v0.0.0-20160404182456-549a10cd4091 h1:1zN6ImoqhSJhN8hGXFaJlSC8msLmIbX8bFqOfWLKw0w=
@@ -45,12 +44,14 @@ github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8 h1:TG/diQgUe0pntT/2D
 github.com/songgao/water v0.0.0-20200317203138-2b4b6d7c09d8/go.mod h1:P5HUIBuIWKbyjl083/loAegFkfbFNx5i2qEP4CNbm7E=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/vmihailenco/msgpack v4.0.4+incompatible h1:dSLoQfGFAo3F6OoNhwUmLwVgaUXK79GlxNBwueZn0xI=
 github.com/vmihailenco/msgpack v4.0.4+incompatible/go.mod h1:fy3FlTQTDXWkZ7Bh6AcGMlsjHatGryHQYUTf1ShIgkk=
-github.com/xhit/go-simple-mail/v2 v2.6.0 h1:pvPmpDUUWy07cnTgwxwEe5fjdyYtETnxcvdGPQxtv/k=
-github.com/xhit/go-simple-mail/v2 v2.6.0/go.mod h1:kA1XbQfCI4JxQ9ccSN6VFyIEkkugOm7YiPkA5hKiQn4=
+github.com/xhit/go-simple-mail v1.0.0 h1:sLvCv2srAOeKnEPY3pzACtcjOjHHwwPdMcdMNRnMkRA=
+github.com/xhit/go-simple-mail v2.2.2+incompatible h1:Hm2VGfLqiQJ/NnC8SYsrPOPyVYIlvP2kmnotP4RIV74=
+github.com/xhit/go-simple-mail/v2 v2.8.0 h1:w6ZDXvRk0EO+r78LRlQl14ngP2tiRDRRHhr9UaVJ0p4=
+github.com/xhit/go-simple-mail/v2 v2.8.0/go.mod h1:kA1XbQfCI4JxQ9ccSN6VFyIEkkugOm7YiPkA5hKiQn4=
 github.com/xlzd/gotp v0.0.0-20181030022105-c8557ba2c119 h1:YyPWX3jLOtYKulBR6AScGIs74lLrJcgeKRwcbAuQOG4=
 github.com/xlzd/gotp v0.0.0-20181030022105-c8557ba2c119/go.mod h1:/nuTSlK+okRfR/vnIPqR89fFKonnWPiZymN5ydRJkX8=
 go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
@@ -58,21 +59,20 @@ go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 h1:sYNJzB4J8toYPQTM6pAkcmBRgw9SnQKP9oXCHfgy604=
-golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
-golang.org/x/image v0.0.0-20190501045829-6d32002ffd75 h1:TbGuee8sSq15Iguxu4deQ7+Bqq/d2rsQejGcEtADAMQ=
-golang.org/x/image v0.0.0-20190501045829-6d32002ffd75/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
+golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 h1:/ZScEX8SfEmUGRHs0gxpqteO5nfNW6axyZbBdw9A12g=
+golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191105084925-a882066a44e0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20201209123823-ac852fbbde11 h1:lwlPPsmjDKK0J6eG6xDWd5XPehI0R024zxjDnw3esPA=
-golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d h1:1aflnvSoWWLI2k/dMUAl5lvU1YO4Mb4hz0gh+1rjcxU=
+golang.org/x/net v0.0.0-20210220033124-5f55cee0dc0d/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
@@ -82,8 +82,8 @@ golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9sn
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 h1:Hir2P/De0WpUhtrKGGjvSb2YxUgyZ7EFOSLIcSSpiwE=
-golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
+golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
diff --git a/handler/link_auth.go b/handler/link_auth.go
index fecf78f..0180148 100644
--- a/handler/link_auth.go
+++ b/handler/link_auth.go
@@ -67,7 +67,7 @@ func LinkAuth(w http.ResponseWriter, r *http.Request) {
 	// TODO 用户密码校验
 	err = dbdata.CheckUser(cr.Auth.Username, cr.Auth.Password, cr.GroupSelect)
 	if err != nil {
-		base.Info(err)
+		base.Warn(err)
 		w.WriteHeader(http.StatusOK)
 		data := RequestData{Group: cr.GroupSelect, Groups: dbdata.GetGroupNames(), Error: "用户名或密码错误"}
 		tplRequest(tpl_request, w, data)
@@ -92,6 +92,7 @@ func LinkAuth(w http.ResponseWriter, r *http.Request) {
 		Banner: other.Banner}
 	w.WriteHeader(http.StatusOK)
 	tplRequest(tpl_complete, w, rd)
+	base.Debug("login", cr.Auth.Username)
 }
 
 const (
diff --git a/handler/link_cstp.go b/handler/link_cstp.go
index e84d3e5..b6e1025 100644
--- a/handler/link_cstp.go
+++ b/handler/link_cstp.go
@@ -11,8 +11,8 @@ import (
 
 func LinkCstp(conn net.Conn, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("LinkCstp return")
-		conn.Close()
+		base.Debug("LinkCstp return", cSess.IpAddr)
+		_ = conn.Close()
 		cSess.Close()
 	}()
 
@@ -72,8 +72,8 @@ func LinkCstp(conn net.Conn, cSess *sessdata.ConnSession) {
 
 func cstpWrite(conn net.Conn, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("cstpWrite return")
-		conn.Close()
+		base.Debug("cstpWrite return", cSess.IpAddr)
+		_ = conn.Close()
 		cSess.Close()
 	}()
 
diff --git a/handler/link_tap.go b/handler/link_tap.go
index a43a3d1..2bec160 100644
--- a/handler/link_tap.go
+++ b/handler/link_tap.go
@@ -70,7 +70,7 @@ func LinkTap(cSess *sessdata.ConnSession) error {
 	err = execCmd(cmdStrs)
 	if err != nil {
 		base.Error(err)
-		ifce.Close()
+		_ = ifce.Close()
 		return err
 	}
 
@@ -81,9 +81,9 @@ func LinkTap(cSess *sessdata.ConnSession) error {
 
 func tapWrite(ifce *water.Interface, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("LinkTap return")
+		base.Debug("LinkTap return", cSess.IpAddr)
 		cSess.Close()
-		ifce.Close()
+		_ = ifce.Close()
 	}()
 
 	var (
@@ -153,8 +153,8 @@ func tapWrite(ifce *water.Interface, cSess *sessdata.ConnSession) {
 
 func tapRead(ifce *water.Interface, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("tapRead return")
-		ifce.Close()
+		base.Debug("tapRead return", cSess.IpAddr)
+		_ = ifce.Close()
 	}()
 
 	var (
diff --git a/handler/link_tun.go b/handler/link_tun.go
index 536fc31..13b7ee2 100644
--- a/handler/link_tun.go
+++ b/handler/link_tun.go
@@ -51,7 +51,7 @@ func LinkTun(cSess *sessdata.ConnSession) error {
 	err = execCmd(cmdStrs)
 	if err != nil {
 		base.Error(err)
-		ifce.Close()
+		_ = ifce.Close()
 		return err
 	}
 
@@ -62,9 +62,9 @@ func LinkTun(cSess *sessdata.ConnSession) error {
 
 func tunWrite(ifce *water.Interface, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("LinkTun return")
+		base.Debug("LinkTun return", cSess.IpAddr)
 		cSess.Close()
-		ifce.Close()
+		_ = ifce.Close()
 	}()
 
 	var (
@@ -89,8 +89,8 @@ func tunWrite(ifce *water.Interface, cSess *sessdata.ConnSession) {
 
 func tunRead(ifce *water.Interface, cSess *sessdata.ConnSession) {
 	defer func() {
-		// log.Println("tunRead return")
-		ifce.Close()
+		base.Debug("tunRead return", cSess.IpAddr)
+		_ = ifce.Close()
 	}()
 	var (
 		err error
diff --git a/handler/link_tunnel.go b/handler/link_tunnel.go
index 16b466f..c0c9bf7 100644
--- a/handler/link_tunnel.go
+++ b/handler/link_tunnel.go
@@ -140,6 +140,7 @@ func LinkTunnel(w http.ResponseWriter, r *http.Request) {
 	hj := w.(http.Hijacker)
 	conn, _, err := hj.Hijack()
 	if err != nil {
+		base.Error(err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
diff --git a/handler/server.go b/handler/server.go
index d05d5f0..ab1113b 100644
--- a/handler/server.go
+++ b/handler/server.go
@@ -6,7 +6,6 @@ import (
 	"log"
 	"net"
 	"net/http"
-	"os"
 	"time"
 
 	"github.com/bjdgyc/anylink/base"
@@ -14,22 +13,28 @@ import (
 	"github.com/gorilla/mux"
 )
 
+func GetCertificate(*tls.ClientHelloInfo) (*tls.Certificate, error) {
+	cert, err := tls.LoadX509KeyPair(base.Cfg.CertFile, base.Cfg.CertKey)
+	return &cert, err
+}
+
 func startTls() {
 	addr := base.Cfg.ServerAddr
 	certFile := base.Cfg.CertFile
 	keyFile := base.Cfg.CertKey
 
-	logger := log.New(os.Stdout, "[SERVER]", log.Lshortfile|log.Ldate)
 	// 设置tls信息
 	tlsConfig := &tls.Config{
-		NextProtos: []string{"http/1.1"},
-		MinVersion: tls.VersionTLS12,
+		NextProtos:         []string{"http/1.1"},
+		MinVersion:         tls.VersionTLS12,
+		InsecureSkipVerify: true,
+		GetCertificate:     GetCertificate,
 	}
 	srv := &http.Server{
 		Addr:      addr,
 		Handler:   initRoute(),
 		TLSConfig: tlsConfig,
-		ErrorLog:  logger,
+		ErrorLog:  base.GetBaseLog(),
 	}
 
 	var ln net.Listener
@@ -57,9 +62,9 @@ func initRoute() http.Handler {
 	r.HandleFunc("/", LinkAuth).Methods(http.MethodPost)
 	r.HandleFunc("/CSCOSSLC/tunnel", LinkTunnel).Methods(http.MethodConnect)
 	r.HandleFunc("/otp_qr", LinkOtpQr).Methods(http.MethodGet)
-	r.PathPrefix("/down_files/").Handler(
-		http.StripPrefix("/down_files/",
-			http.FileServer(http.Dir(base.Cfg.DownFilesPath)),
+	r.PathPrefix("/files/").Handler(
+		http.StripPrefix("/files/",
+			http.FileServer(http.Dir(base.Cfg.FilesPath)),
 		),
 	)
 	r.NotFoundHandler = http.HandlerFunc(notFound)
diff --git a/screenshot/jetbrains.png b/screenshot/jetbrains.png
new file mode 100644
index 0000000..ccceb95
Binary files /dev/null and b/screenshot/jetbrains.png differ
diff --git a/sessdata/session.go b/sessdata/session.go
index 8418879..3a650b0 100644
--- a/sessdata/session.go
+++ b/sessdata/session.go
@@ -3,7 +3,6 @@ package sessdata
 import (
 	"crypto/md5"
 	"fmt"
-	"log"
 	"math/rand"
 	"net"
 	"strconv"
@@ -191,7 +190,7 @@ func (s *Session) NewConn() *ConnSession {
 
 func (cs *ConnSession) Close() {
 	cs.closeOnce.Do(func() {
-		log.Println("closeOnce:", cs.IpAddr)
+		base.Info("closeOnce:", cs.IpAddr)
 		cs.Sess.mux.Lock()
 		defer cs.Sess.mux.Unlock()