diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..304c3d7
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "go.inferGopath": false
+}
\ No newline at end of file
diff --git a/command/index.go b/command/index.go
index 6e6f0c6..0484681 100644
--- a/command/index.go
+++ b/command/index.go
@@ -11,7 +11,7 @@ import (
 
 第一个参数是执行的目录,第二个参数是命令
 */
-func Run(content string,direct string) {
+func Run(content string, direct string) {
 	param := strings.Split(direct, " ")
 	cmd := exec.Command(param[0], param[1:]...)
 	cmd.Dir = content
diff --git a/file/index.go b/file/index.go
index 94e6cf6..887bed5 100644
--- a/file/index.go
+++ b/file/index.go
@@ -1,6 +1,6 @@
 package file
 
-import(
+import (
 	"os"
 	"path"
 	"strings"
diff --git a/go.mod b/go.mod
index cbcac96..a261b64 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,7 @@
-module  github.com/MrYZhou/outil
+module github.com/MrYZhou/outil
 
-go 1.19
\ No newline at end of file
+go 1.19
+
+require golang.org/x/crypto v0.4.0
+
+require golang.org/x/sys v0.3.0 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..6db1f2a
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8=
+golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/ssh/index.go b/ssh/index.go
index 781adca..736a3f7 100644
--- a/ssh/index.go
+++ b/ssh/index.go
@@ -2,7 +2,6 @@ package ssh
 
 import (
 	"net"
-	"os"
 
 	"golang.org/x/crypto/ssh"
 )
@@ -11,7 +10,7 @@ import (
 type Cli struct {
 	user       string
 	password   string
-	addr       string
+	host       string
 	client     *ssh.Client
 	LastResult string
 }
@@ -23,7 +22,7 @@ func (c *Cli) Connect() (*Cli, error) {
 	config.User = c.user
 	config.Auth = []ssh.AuthMethod{ssh.Password(c.password)}
 	config.HostKeyCallback = func(hostname string, remote net.Addr, key ssh.PublicKey) error { return nil }
-	client, err := ssh.Dial("tcp", c.addr, config)
+	client, err := ssh.Dial("tcp", c.host, config)
 	if nil != err {
 		return c, err
 	}
@@ -50,30 +49,15 @@ func (c Cli) Run(shell string) (string, error) {
 	return c.LastResult, err
 }
 
-func Server() Cli {
-	addr := os.Getenv("addr")
-	user := os.Getenv("user")
-	password := os.Getenv("password")
+func Server(host string, user string, password string) Cli {
+
 	cli := Cli{
-		addr: addr,
-		user: user,
-		password:password,
+		host:     host,
+		user:     user,
+		password: password,
 	}
 	c, _ := cli.Connect()
 
 	defer c.client.Close()
 	return cli
 }
-
-// func Server(addr string,user string, password string) Cli {
-
-// 	cli := Cli{
-// 		addr: addr,
-// 		user: user,
-// 		password:password,
-// 	}
-// 	c, _ := cli.Connect()
-
-// 	defer c.client.Close()
-// 	return cli
-// }