diff --git a/base/web/space.go b/base/web/space.go
index 8dcd566d..af9ca6a8 100644
--- a/base/web/space.go
+++ b/base/web/space.go
@@ -59,7 +59,7 @@ func _space_dial(m *ice.Message, dev, name string, arg ...string) {
 						}
 					})
 					ls := strings.Split(host, ":")
-					msg.Cmd(tcp.CLIENT, tcp.DIAL, kit.MDB_TYPE, "wss", kit.MDB_NAME, dev, tcp.HOST, ls[0], tcp.PORT, ls[1])
+					msg.Cmd(tcp.CLIENT, tcp.DIAL, kit.MDB_TYPE, "wss", kit.MDB_NAME, dev, tcp.HOST, ls[0], tcp.PORT, kit.Select("443", ls, 1))
 
 					// 断线重连
 					sleep := time.Duration(rand.Intn(kit.Int(redial["a"])*i+2)+kit.Int(redial["b"])) * time.Millisecond
diff --git a/core/code/install.go b/core/code/install.go
index 6c8b0db4..43313382 100644
--- a/core/code/install.go
+++ b/core/code/install.go
@@ -16,6 +16,21 @@ import (
 	kit "github.com/shylinux/toolkits"
 )
 
+type Buffer struct {
+	data []byte
+	m    *ice.Message
+	n    string
+}
+
+func (b *Buffer) Write(buf []byte) (int, error) {
+	b.data = append(b.data, buf...)
+	b.m.Cmd(web.SPACE, b.n, "grow", string(buf))
+	return len(buf), nil
+}
+func (b *Buffer) Close() error {
+	return nil
+}
+
 const PREPARE = "prepare"
 const INSTALL = "install"
 
@@ -31,66 +46,65 @@ func init() {
 				web.DOWNLOAD: {Name: "download link", Help: "下载", Hand: func(m *ice.Message, arg ...string) {
 					link := m.Option(kit.MDB_LINK)
 					name := path.Base(link)
-					p := path.Join(m.Conf(INSTALL, kit.META_PATH), name)
+					file := path.Join(m.Conf(INSTALL, kit.META_PATH), name)
 
-					m.Option(ice.MSG_PROCESS, ice.PROCESS_PROGRESS)
-					m.Option(mdb.FIELDS, m.Conf(INSTALL, kit.META_FIELD))
-					if m.Cmd(mdb.SELECT, INSTALL, "", mdb.HASH, kit.MDB_NAME, name).Table(func(index int, value map[string]string, head []string) {
-						if _, e := os.Stat(p); e == nil {
-							m.Push("", value, kit.Split(m.Option(mdb.FIELDS)))
-						}
-					}); len(m.Appendv(kit.MDB_NAME)) > 0 {
-						return // 已经下载
+					defer m.Cmdy(nfs.DIR, file)
+					if _, e := os.Stat(file); e == nil {
+						return // 文件存在
 					}
 
-					// 占位
-					m.Cmd(nfs.SAVE, p, "")
+					// 文件占位
+					m.Cmd(nfs.SAVE, file, "")
 
-					// 进度
-					m.Cmd(mdb.INSERT, INSTALL, "", mdb.HASH, kit.MDB_NAME, name, kit.MDB_LINK, link)
-					m.Richs(INSTALL, "", name, func(key string, value map[string]interface{}) {
-						value = kit.GetMeta(value)
-						m.Optionv(web.DOWNLOAD_CB, func(size int, total int) {
-							s := size * 100 / total
-							if s != kit.Int(value[kit.SSH_STEP]) && s%10 == 0 {
-								m.Log_IMPORT(kit.MDB_FILE, name, kit.SSH_STEP, s, kit.MDB_SIZE, kit.FmtSize(int64(size)), kit.MDB_TOTAL, kit.FmtSize(int64(total)))
-							}
-							value[kit.SSH_STEP], value[kit.MDB_SIZE], value[kit.MDB_TOTAL] = s, size, total
+					m.GoToast("download", func(toast func(string, int, int)) {
+						// 进度
+						m.Cmd(mdb.INSERT, INSTALL, "", mdb.HASH, kit.MDB_NAME, name, kit.MDB_LINK, link)
+						m.Richs(INSTALL, "", name, func(key string, value map[string]interface{}) {
+							value = kit.GetMeta(value)
+
+							p := 0
+							m.Optionv(web.DOWNLOAD_CB, func(size int, total int) {
+								if n := size * 100 / total; p != n {
+									value[kit.SSH_STEP], value[kit.MDB_SIZE], value[kit.MDB_TOTAL] = n, size, total
+									toast(name, size, total)
+									p = n
+								}
+							})
 						})
-					})
 
-					// 下载
-					m.Go(func() {
+						// 下载
 						os.MkdirAll(m.Option(cli.CMD_DIR, m.Conf(INSTALL, kit.META_PATH)), ice.MOD_DIR)
 						msg := m.Cmd(web.SPIDE, web.SPIDE_DEV, web.SPIDE_CACHE, web.SPIDE_GET, link)
 
-						m.Cmdy(nfs.LINK, p, msg.Append(kit.MDB_FILE))
+						// 解压
+						m.Cmdy(nfs.LINK, file, msg.Append(kit.MDB_FILE))
 						m.Cmd(cli.SYSTEM, "tar", "xvf", name)
 					})
 				}},
 				gdb.BUILD: {Name: "build link", Help: "构建", Hand: func(m *ice.Message, arg ...string) {
-					cli.Follow(m, gdb.BUILD, func() {
-						defer m.Cmdy(cli.OUTPUT, mdb.MODIFY, kit.MDB_STATUS, cli.Status.Stop)
-						defer m.Option(kit.MDB_HASH, m.Option("cache.hash"))
 
-						p := m.Option(cli.CMD_DIR, path.Join(m.Conf(INSTALL, kit.META_PATH), kit.TrimExt(m.Option(kit.MDB_LINK))))
-						pp := kit.Path(path.Join(p, "_install"))
-						switch cb := m.Optionv("prepare").(type) {
-						case func(string):
-							cb(p)
-						default:
-							if m.Cmdy(cli.SYSTEM, "./configure", "--prefix="+pp, arg[1:]); m.Append(cli.CMD_CODE) != "0" {
-								return
-							}
-						}
+					m.Option(cli.CMD_OUTPUT, &Buffer{m: m, n: m.Option(ice.MSG_DAEMON)})
+					defer func() {
+						m.Toast("success", "build")
+						m.ProcessHold()
+					}()
 
-						if m.Cmdy(cli.SYSTEM, "make", "-j8"); m.Append(cli.CMD_CODE) != "0" {
+					p := m.Option(cli.CMD_DIR, path.Join(m.Conf(INSTALL, kit.META_PATH), kit.TrimExt(m.Option(kit.MDB_LINK))))
+					pp := kit.Path(path.Join(p, "_install"))
+					switch cb := m.Optionv("prepare").(type) {
+					case func(string):
+						cb(p)
+					default:
+						if m.Cmd(cli.SYSTEM, "./configure", "--prefix="+pp, arg[1:]).Append(cli.CMD_CODE) != "0" {
 							return
 						}
+					}
 
-						m.Cmdy(cli.SYSTEM, "make", "PREFIX="+pp, "install")
+					if m.Cmd(cli.SYSTEM, "make", "-j8"); m.Append(cli.CMD_CODE) != "0" {
+						return
+					}
 
-					})
+					m.Cmd(cli.SYSTEM, "make", "PREFIX="+pp, "install")
 				}},
 				gdb.SPAWN: {Name: "spawn link", Help: "新建", Hand: func(m *ice.Message, arg ...string) {
 					port := m.Cmdx(tcp.PORT, aaa.RIGHT)
diff --git a/misc.go b/misc.go
index 517f53bd..d3b2046d 100644
--- a/misc.go
+++ b/misc.go
@@ -276,11 +276,11 @@ func (m *Message) Toast(content string, arg ...interface{}) {
 	}
 	m.Cmd("web.space", m.Option("_daemon"), "toast", "", content, arg)
 }
-func (m *Message) GoToast(title string, cb func(func(string, int, int))) {
+func (m *Message) GoToast(title string, cb func(toast func(string, int, int))) {
 	m.Go(func() {
 		cb(func(name string, count, total int) {
 			m.Toast(
-				kit.Format("%s %d/%d", name, count, total),
+				kit.Format("%s %s/%s", name, strings.TrimSuffix(kit.FmtSize(int64(count)), "B"), strings.TrimSuffix(kit.FmtSize(int64(total)), "B")),
 				kit.Format("%s %d%%", title, count*100/total),
 				kit.Select("1000", "10000", count < total),
 				count*100/total,
diff --git a/misc/bash/bash.go b/misc/bash/bash.go
index e8932fd7..2d5d2a9b 100644
--- a/misc/bash/bash.go
+++ b/misc/bash/bash.go
@@ -1,13 +1,13 @@
 package bash
 
 import (
+	"path"
+
 	ice "github.com/shylinux/icebergs"
 	"github.com/shylinux/icebergs/base/gdb"
 	"github.com/shylinux/icebergs/base/web"
 	"github.com/shylinux/icebergs/core/code"
 	kit "github.com/shylinux/toolkits"
-
-	"path"
 )
 
 const BASH = "bash"
@@ -15,7 +15,7 @@ const BASH = "bash"
 var Index = &ice.Context{Name: BASH, Help: "命令行",
 	Configs: map[string]*ice.Config{
 		BASH: {Name: BASH, Help: "命令行", Value: kit.Data(
-			"source", "http://mirrors.aliyun.com/gnu/bash/bash-4.2.53.tar.gz",
+			kit.SSH_SOURCE, "http://mirrors.aliyun.com/gnu/bash/bash-4.2.53.tar.gz",
 		)},
 	},
 	Commands: map[string]*ice.Command{