diff --git a/base/ssh/server.go b/base/ssh/server.go
index 794d8839..7c7194ff 100644
--- a/base/ssh/server.go
+++ b/base/ssh/server.go
@@ -1,19 +1,18 @@
 package ssh
 
 import (
-	"fmt"
-	"time"
-
 	ice "github.com/shylinux/icebergs"
 	"github.com/shylinux/icebergs/base/aaa"
 	"github.com/shylinux/icebergs/base/mdb"
 	"github.com/shylinux/icebergs/base/nfs"
+	"github.com/shylinux/icebergs/base/tcp"
 	kit "github.com/shylinux/toolkits"
 
 	"bytes"
 	"encoding/base64"
 	"encoding/binary"
 	"errors"
+	"fmt"
 	"io"
 	"net"
 	"os"
@@ -21,6 +20,7 @@ import (
 	"path"
 	"strings"
 	"syscall"
+	"time"
 	"unsafe"
 
 	"github.com/kr/pty"
@@ -218,7 +218,9 @@ func _ssh_config(m *ice.Message) *ssh.ServerConfig {
 					}
 				}
 			})
-			res = nil
+			if tcp.IPIsLocal(m, strings.Split(conn.RemoteAddr().String(), ":")[0]) {
+				res = nil
+			}
 			return &ssh.Permissions{Extensions: meta}, res
 		},
 		PasswordCallback: func(conn ssh.ConnMetadata, password []byte) (*ssh.Permissions, error) {
diff --git a/core/code/install.go b/core/code/install.go
index c328043a..36059b60 100644
--- a/core/code/install.go
+++ b/core/code/install.go
@@ -27,10 +27,16 @@ func init() {
 export ctx_dev={{.Option "httphost"}}; curl $ctx_dev/publish/ice.sh | sh
 bin/ice.sh`,
 					"miss", `
-touch ~/.ssh/config; [ -z "$(cat ~/.ssh/config|grep 'Host {{.Option "hostname"}}')" ] && echo -e "HOST {{.Option "hostname"}}\n    Port 9030" >> ~/.ssh/config
-git clone {{.Option "user.name"}}@{{.Option "hostname"}}:{{.Option "hostpath"}} && cd contexts
-git clone {{.Option "httphost"}}/code/git/proxy/shylinux/contexts && cd contexts
-source etc/miss.sh`,
+yum install -y git vim make go
+mkdir ~/.ssh &>/dev/null; touch ~/.ssh/config; [ -z "$(cat ~/.ssh/config|grep 'HOST {{.Option "hostname"}}')" ] && echo -e "HOST {{.Option "hostname"}}\n    Port 9030" >> ~/.ssh/config
+export ISH_CONF_HUB_PROXY={{.Option "userhost"}}:.ish/pluged/
+git clone $ISH_CONF_HUB_PROXY/github.com/shylinux/contexts && cd contexts
+source etc/miss.sh
+
+touch ~/.gitconfig; [ -z "$(cat ~/.gitconfig|grep '\[url \"{{.Option "userhost"}}')" ] && echo -e "[url \"{{.Option "userhost"}}:ish/pluged/\"]\n    insteadOf=\"https://github.com/\"\n" >> ~/.gitconfig
+git clone https://github.com/shylinux/contexts && cd contexts
+source etc/miss.sh
+`,
 				),
 			)},
 		},
@@ -38,10 +44,12 @@ source etc/miss.sh`,
 			INSTALL: {Name: "install name=auto port=auto path=auto auto", Help: "安装", Meta: kit.Dict(), Action: map[string]*ice.Action{
 				"contexts": {Name: "contexts item os", Help: "下载", Hand: func(m *ice.Message, arg ...string) {
 					u := kit.ParseURL(m.Option(ice.MSG_USERWEB))
+					m.Option("userhost", fmt.Sprintf("%s@%s", m.Option(ice.MSG_USERNAME), strings.Split(u.Host, ":")[0]))
+					m.Option("hostpath", kit.Path("./.ish/pluged"))
+
 					m.Option("httphost", fmt.Sprintf("%s://%s:%s", u.Scheme, strings.Split(u.Host, ":")[0], kit.Select(kit.Select("80", "443", u.Scheme == "https"), strings.Split(u.Host, ":"), 1)))
 					m.Option("hostport", fmt.Sprintf("%s:%s", strings.Split(u.Host, ":")[0], kit.Select(kit.Select("80", "443", u.Scheme == "https"), strings.Split(u.Host, ":"), 1)))
 					m.Option("hostname", strings.Split(u.Host, ":")[0])
-					m.Option("hostpath", kit.Path("./"))
 
 					if buf, err := kit.Render(m.Conf(INSTALL, kit.Keys("meta.contexts", kit.Select("base", arg, 0))), m); m.Assert(err) {
 						m.Cmdy("web.wiki.spark", "shell", string(buf))
diff --git a/misc/git/git.go b/misc/git/git.go
index 0d0553cd..d0c74e26 100644
--- a/misc/git/git.go
+++ b/misc/git/git.go
@@ -423,13 +423,9 @@ var Index = &ice.Context{Name: GIT, Help: "代码库",
 		}},
 
 		"/proxy/": {Name: "/repos/", Help: "缓存池", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
-			s := &httpProxyServer{"http://127.0.0.1:9020/code/git/serve/" + path.Join(arg...)}
-			s.infoRefsHandler(m.W, m.R)
 			m.Render(ice.RENDER_VOID)
 		}},
 		"/serve/": {Name: "/repos/", Help: "缓存池", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
-			p := kit.Path(path.Join(".ish/pluged/github.com", path.Join(arg[:2]...)))
-			m.Cmdy(cli.SYSTEM, "git-upload-pack", p)
 			m.Render(ice.RENDER_RESULT)
 		}},
 	},