diff --git a/base/ctx/command.go b/base/ctx/command.go
index f7b50f89..5cca4a55 100644
--- a/base/ctx/command.go
+++ b/base/ctx/command.go
@@ -184,7 +184,7 @@ func GetFileCmd(dir string) string {
 }
 func GetCmdHelp(m *ice.Message, cmds string) (file string) {
 	file = strings.TrimPrefix(FileURI(kit.ExtChange(GetCmdFile(m, cmds), nfs.SHY)), "/require/")
-	if !nfs.Exists(m, path.Join(nfs.SRC_DOCUMENT, "commands", strings.TrimPrefix(file, "usr/icebergs/")), func(p string) { file = p }) {
+	if !nfs.Exists(m, path.Join(nfs.USR_LEARNING_PORTAL, "commands", strings.TrimPrefix(file, "usr/icebergs/")), func(p string) { file = p }) {
 		kit.If(!nfs.Exists(m, file), func() { file = "" })
 	}
 	return
diff --git a/base/nfs/dir.go b/base/nfs/dir.go
index 3d5ef23a..69a080d9 100644
--- a/base/nfs/dir.go
+++ b/base/nfs/dir.go
@@ -143,24 +143,24 @@ const (
 	VAR = "var/"
 	USR = "usr/"
 
-	USR_PORTAL      = ice.USR_PORTAL
-	USR_PUBLISH     = ice.USR_PUBLISH
-	USR_ICEBERGS    = ice.USR_ICEBERGS
-	USR_LOCAL_WORK  = ice.USR_LOCAL_WORK
-	USR_LOCAL       = ice.USR_LOCAL
-	SRC_DOCUMENT    = ice.SRC_DOCUMENT
-	SRC_TEMPLATE    = ice.SRC_TEMPLATE
-	USR_PACKAGE     = "usr/package.json"
-	USR_MODULES     = "usr/node_modules/"
-	REQUIRE_MODULES = "/require/modules/"
-	REQUIRE_SRC     = "/require/src/"
-	REQUIRE_USR     = "/require/usr/"
-	REQUIRE         = "/require/"
-	VOLCANOS        = "/volcanos/"
-	INTSHELL        = "/intshell/"
-	SHARE_LOCAL     = "/share/local/"
-	PATHNAME        = "pathname"
-	FILENAME        = "filename"
+	USR_PORTAL          = ice.USR_PORTAL
+	USR_PUBLISH         = ice.USR_PUBLISH
+	USR_ICEBERGS        = ice.USR_ICEBERGS
+	USR_LOCAL_WORK      = ice.USR_LOCAL_WORK
+	USR_LOCAL           = ice.USR_LOCAL
+	SRC_TEMPLATE        = ice.SRC_TEMPLATE
+	USR_LEARNING_PORTAL = "usr/learning/portal/"
+	USR_PACKAGE         = "usr/package.json"
+	USR_MODULES         = "usr/node_modules/"
+	REQUIRE_MODULES     = "/require/modules/"
+	REQUIRE_SRC         = "/require/src/"
+	REQUIRE_USR         = "/require/usr/"
+	REQUIRE             = "/require/"
+	VOLCANOS            = "/volcanos/"
+	INTSHELL            = "/intshell/"
+	SHARE_LOCAL         = "/share/local/"
+	PATHNAME            = "pathname"
+	FILENAME            = "filename"
 
 	USR_ICONS_AVATAR   = "usr/icons/avatar.jpg"
 	USR_ICONS_CONTEXTS = "usr/icons/contexts.png"
diff --git a/base/nfs/document.go b/base/nfs/document.go
index 838515e1..9532d5c4 100644
--- a/base/nfs/document.go
+++ b/base/nfs/document.go
@@ -36,7 +36,7 @@ var DocumentText = func(m *ice.Message, p string) string {
 	return m.Cmdx(CAT, DocumentPath(m, path.Base(p)))
 }
 var DocumentPath = func(m *ice.Message, arg ...string) string {
-	if p := path.Join(ice.SRC_DOCUMENT, m.PrefixKey(), path.Join(arg...)); Exists(m, p) {
+	if p := path.Join(USR_LEARNING_PORTAL, m.PrefixKey(), path.Join(arg...)); Exists(m, p) {
 		return p
 	} else {
 		return p
diff --git a/base/web/spide.go b/base/web/spide.go
index 6d31349f..f5641562 100644
--- a/base/web/spide.go
+++ b/base/web/spide.go
@@ -277,7 +277,7 @@ func init() {
 		}
 	}
 	nfs.DocumentPath = func(m *ice.Message, arg ...string) string {
-		if p := path.Join(ice.SRC_DOCUMENT, m.PrefixKey(), path.Join(arg...)); nfs.Exists(m, p) {
+		if p := path.Join(nfs.USR_LEARNING_PORTAL, m.PrefixKey(), path.Join(arg...)); nfs.Exists(m, p) {
 			return p + kit.Select("", nfs.PS, len(arg) == 0)
 		} else {
 			return path.Join(path.Dir(ctx.GetCmdFile(m, m.PrefixKey())), path.Join(arg...)) + kit.Select("", nfs.PS, len(arg) == 0)
diff --git a/conf.go b/conf.go
index 18283606..d3a123f5 100644
--- a/conf.go
+++ b/conf.go
@@ -142,40 +142,40 @@ const ( // DIR
 	VAR_LOG_BOOT_LOG   = "var/log/boot.log"
 	VAR_LOG_ICE_PID    = "var/log/ice.pid"
 
-	VAR_LOG        = "var/log/"
-	VAR_TMP        = "var/tmp/"
-	VAR_CONF       = "var/conf/"
-	VAR_DATA       = "var/data/"
-	VAR_FILE       = "var/file/"
-	VAR_PROXY      = "var/proxy/"
-	VAR_TRASH      = "var/trash/"
-	BIN_ICE_BIN    = "bin/ice.bin"
-	ETC_INIT_SHY   = "etc/init.shy"
-	ETC_LOCAL_SHY  = "etc/local.shy"
-	ETC_EXIT_SHY   = "etc/exit.shy"
-	ETC_MISS_SH    = "etc/miss.sh"
-	ETC_PATH       = "etc/path"
-	SRC_MAIN_SH    = "src/main.sh"
-	SRC_MAIN_SHY   = "src/main.shy"
-	SRC_MAIN_HTML  = "src/main.html"
-	SRC_MAIN_ICO   = "src/main.ico"
-	SRC_MAIN_CSS   = "src/main.css"
-	SRC_MAIN_JS    = "src/main.js"
-	SRC_MAIN_GO    = "src/main.go"
-	SRC_WEBVIEW_GO = "src/webview.go"
-	SRC_VERSION_GO = "src/version.go"
-	SRC_BINPACK_GO = "src/binpack.go"
-	SRC_DOCUMENT   = "src/document/"
-	SRC_TEMPLATE   = "src/template/"
-	SRC_SCRIPT     = "src/script/"
-	USR_SCRIPT     = "usr/script/"
-	README_MD      = "README.md"
-	MAKEFILE       = "Makefile"
-	LICENSE        = "LICENSE"
-	GO_MOD         = "go.mod"
-	GO_SUM         = "go.sum"
-	ICE_BIN        = "ice.bin"
-	CAN_PLUGIN     = "can._plugin"
+	VAR_LOG            = "var/log/"
+	VAR_TMP            = "var/tmp/"
+	VAR_CONF           = "var/conf/"
+	VAR_DATA           = "var/data/"
+	VAR_FILE           = "var/file/"
+	VAR_PROXY          = "var/proxy/"
+	VAR_TRASH          = "var/trash/"
+	BIN_ICE_BIN        = "bin/ice.bin"
+	ETC_INIT_SHY       = "etc/init.shy"
+	ETC_LOCAL_SHY      = "etc/local.shy"
+	ETC_EXIT_SHY       = "etc/exit.shy"
+	ETC_MISS_SH        = "etc/miss.sh"
+	ETC_PATH           = "etc/path"
+	SRC_MAIN_SH        = "src/main.sh"
+	SRC_MAIN_SHY       = "src/main.shy"
+	SRC_MAIN_HTML      = "src/main.html"
+	SRC_MAIN_ICO       = "src/main.ico"
+	SRC_MAIN_CSS       = "src/main.css"
+	SRC_MAIN_JS        = "src/main.js"
+	SRC_MAIN_GO        = "src/main.go"
+	SRC_WEBVIEW_GO     = "src/webview.go"
+	SRC_VERSION_GO     = "src/version.go"
+	SRC_BINPACK_GO     = "src/binpack.go"
+	SRC_BINPACK_USR_GO = "src/binpack_usr.go"
+	SRC_TEMPLATE       = "src/template/"
+	SRC_SCRIPT         = "src/script/"
+	USR_SCRIPT         = "usr/script/"
+	README_MD          = "README.md"
+	MAKEFILE           = "Makefile"
+	LICENSE            = "LICENSE"
+	GO_MOD             = "go.mod"
+	GO_SUM             = "go.sum"
+	ICE_BIN            = "ice.bin"
+	CAN_PLUGIN         = "can._plugin"
 )
 const ( // MSG
 	MSG_CMDS   = "cmds"
diff --git a/core/code/autogen.go b/core/code/autogen.go
index 94694f3c..e695520f 100644
--- a/core/code/autogen.go
+++ b/core/code/autogen.go
@@ -66,8 +66,10 @@ func _autogen_version(m *ice.Message) string {
 		defer m.Cmd(REPOS, ADD, kit.Dict(nfs.REPOS, path.Base(mod), nfs.FILE, nfs.SRC))
 	}
 	m.Cmd(nfs.DEFS, ".gitignore", nfs.Template(m, "gitignore"))
+	m.Cmd(nfs.DEFS, ice.SRC_BINPACK_USR_GO, nfs.Template(m, ice.SRC_BINPACK_GO))
 	m.Cmd(nfs.DEFS, ice.SRC_BINPACK_GO, nfs.Template(m, ice.SRC_BINPACK_GO))
 	m.Cmd(nfs.SAVE, ice.SRC_VERSION_GO, kit.Format(nfs.Template(m, ice.SRC_VERSION_GO), _autogen_gits(m)))
+	m.Cmdy(nfs.DIR, ice.SRC_BINPACK_USR_GO)
 	m.Cmdy(nfs.DIR, ice.SRC_BINPACK_GO)
 	m.Cmdy(nfs.DIR, ice.SRC_VERSION_GO)
 	m.Cmdy(nfs.DIR, ice.SRC_MAIN_GO)
@@ -163,3 +165,6 @@ func init() {
 		}},
 	})
 }
+func isReleaseContexts(m *ice.Message) bool {
+	return nfs.Exists(m, ice.USR_RELEASE) && nfs.Exists(m, ice.USR_VOLCANOS) && nfs.Exists(m, ice.USR_INTSHELL) && ice.Info.Make.Module == "shylinux.com/x/contexts"
+}
diff --git a/core/code/binpack.go b/core/code/binpack.go
index faa8239a..b7daf738 100644
--- a/core/code/binpack.go
+++ b/core/code/binpack.go
@@ -24,7 +24,7 @@ func _binpack_file(m *ice.Message, w io.Writer, arg ...string) {
 		return
 	}
 	switch arg[0] {
-	case ice.GO_MOD, ice.GO_SUM, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO:
+	case ice.GO_MOD, ice.GO_SUM, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO, ice.SRC_BINPACK_USR_GO:
 		return
 	case ice.ETC_LOCAL_SHY:
 		fmt.Fprintf(w, "        \"%s\": \"%s\",\n", kit.Select(arg[0], arg, 1), "")
@@ -39,10 +39,12 @@ func _binpack_file(m *ice.Message, w io.Writer, arg ...string) {
 	}
 }
 func _binpack_dir(m *ice.Message, w io.Writer, dir string) {
-	nfs.DirDeepAll(m, dir, nfs.PWD, func(value ice.Maps) { _binpack_file(m, w, path.Join(dir, value[nfs.PATH])) })
+	if nfs.Exists(m, dir) {
+		nfs.DirDeepAll(m, dir, nfs.PWD, func(value ice.Maps) { _binpack_file(m, w, path.Join(dir, value[nfs.PATH])) })
+	}
 }
-func _binpack_all(m *ice.Message) {
-	w, p, e := nfs.CreateFile(m, ice.SRC_BINPACK_GO)
+func _binpack_usr(m *ice.Message) {
+	w, p, e := nfs.CreateFile(m, ice.SRC_BINPACK_USR_GO)
 	m.Assert(e)
 	defer w.Close()
 	defer m.Echo(p)
@@ -50,14 +52,9 @@ func _binpack_all(m *ice.Message) {
 	defer fmt.Fprintln(w, nfs.Template(m, "binpack_end.go"))
 	defer fmt.Fprint(w, lex.TB)
 	nfs.OptionFiles(m, nfs.DiskFile)
-	kit.If(isReleaseContexts(m), func() {
-		kit.For([]string{ice.USR_VOLCANOS, ice.USR_INTSHELL}, func(p string) { _binpack_dir(m, w, p) })
+	kit.For([]string{ice.USR_VOLCANOS, nfs.USR_LEARNING_PORTAL, ice.USR_INTSHELL}, func(p string) {
+		_binpack_dir(m, w, p)
 	})
-	kit.For([]string{ice.SRC}, func(p string) { _binpack_dir(m, w, p) })
-	kit.For([]string{
-		ice.ETC_MISS_SH, ice.ETC_INIT_SHY, ice.ETC_LOCAL_SHY, ice.ETC_EXIT_SHY, ice.ETC_PATH,
-		ice.README_MD, ice.MAKEFILE, ice.LICENSE, ice.GO_MOD, ice.GO_SUM,
-	}, func(p string) { _binpack_file(m, w, p) })
 	list, cache := map[string]string{}, GoCache(m)
 	for k := range ice.Info.File {
 		switch ls := kit.Split(k, nfs.PS); ls[1] {
@@ -72,7 +69,7 @@ func _binpack_all(m *ice.Message) {
 	for _, k := range kit.SortedKey(list) {
 		v := kit.Select(k, list[k])
 		m.Cmd(nfs.DIR, nfs.PWD, nfs.PATH, kit.Dict(nfs.DIR_ROOT, v, nfs.DIR_REG, kit.ExtReg(kit.Split(mdb.Config(m, lex.EXTREG))...))).Table(func(value ice.Maps) {
-			kit.If(isReleaseContexts(m), func() { _binpack_file(m, w, kit.Path(v, value[nfs.PATH]), path.Join(k, value[nfs.PATH])) })
+			_binpack_file(m, w, kit.Path(v, value[nfs.PATH]), path.Join(k, value[nfs.PATH]))
 		})
 	}
 	mdb.HashSelects(m).Sort(nfs.PATH).Table(func(value ice.Maps) {
@@ -82,7 +79,30 @@ func _binpack_all(m *ice.Message) {
 			_binpack_file(m, w, value[nfs.PATH])
 		}
 	})
-	kit.If(isReleaseContexts(m), func() { m.Option(nfs.DIR_REG, kit.ExtReg(nfs.SHY)); _binpack_dir(m, w, ice.USR_RELEASE) })
+	_binpack_dir(m.Options(nfs.DIR_REG, kit.ExtReg(nfs.SHY)), w, ice.USR_RELEASE)
+}
+
+func _binpack_src(m *ice.Message) {
+	w, p, e := nfs.CreateFile(m, ice.SRC_BINPACK_GO)
+	m.Assert(e)
+	defer w.Close()
+	defer m.Echo(p)
+	fmt.Fprintln(w, nfs.Template(m, ice.SRC_BINPACK_GO))
+	defer fmt.Fprintln(w, nfs.Template(m, "binpack_end.go"))
+	defer fmt.Fprint(w, lex.TB)
+	nfs.OptionFiles(m, nfs.DiskFile)
+	kit.For([]string{ice.SRC}, func(p string) { _binpack_dir(m, w, p) })
+	kit.For([]string{
+		ice.ETC_MISS_SH, ice.ETC_INIT_SHY, ice.ETC_LOCAL_SHY, ice.ETC_EXIT_SHY, ice.ETC_PATH,
+		ice.README_MD, ice.MAKEFILE, ice.LICENSE, ice.GO_MOD, ice.GO_SUM,
+	}, func(p string) { _binpack_file(m, w, p) })
+	mdb.HashSelects(m).Sort(nfs.PATH).Table(func(value ice.Maps) {
+		if strings.HasSuffix(value[nfs.PATH], nfs.PS) {
+			_binpack_dir(m, w, value[nfs.PATH])
+		} else {
+			_binpack_file(m, w, value[nfs.PATH])
+		}
+	})
 }
 
 const BINPACK = "binpack"
@@ -90,7 +110,10 @@ const BINPACK = "binpack"
 func init() {
 	Index.MergeCommands(ice.Commands{
 		BINPACK: {Name: "binpack path auto create insert", Help: "打包", Actions: ice.MergeActions(ice.Actions{
-			mdb.CREATE: {Name: "create path", Hand: func(m *ice.Message, arg ...string) { _binpack_all(m) }},
+			mdb.CREATE: {Name: "create path", Hand: func(m *ice.Message, arg ...string) {
+				_binpack_usr(m.Spawn())
+				_binpack_src(m)
+			}},
 			mdb.INSERT: {Name: "insert path*", Hand: func(m *ice.Message, arg ...string) { mdb.HashCreate(m) }},
 		}, mdb.HashAction(mdb.SHORT, nfs.PATH, mdb.FIELD, "time,path", lex.EXTREG, "sh,shy,py,js,css,html,png,jpg"))},
 	})
@@ -102,6 +125,3 @@ func GoCache(m *ice.Message) string {
 		func() string { return ice.USR_REQUIRE },
 	)
 }
-func isReleaseContexts(m *ice.Message) bool {
-	return nfs.Exists(m, ice.USR_RELEASE) && nfs.Exists(m, ice.USR_VOLCANOS) && nfs.Exists(m, ice.USR_INTSHELL) && ice.Info.Make.Module == "shylinux.com/x/contexts"
-}
diff --git a/core/code/compile.go b/core/code/compile.go
index 7dd5e075..c53eeb1d 100644
--- a/core/code/compile.go
+++ b/core/code/compile.go
@@ -120,7 +120,7 @@ func init() {
 			m.Options(cli.CMD_ENV, env).Cmd(AUTOGEN, VERSION)
 			_compile_get(m, main)
 			defer m.StatusTime(VERSION, strings.TrimPrefix(GoVersion(m), "go version"))
-			if msg := GoBuild(m.Spawn(), file, main, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO); !cli.IsSuccess(msg) {
+			if msg := GoBuild(m.Spawn(), file, main, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO, ice.SRC_BINPACK_USR_GO); !cli.IsSuccess(msg) {
 				m.Copy(msg)
 			} else {
 				m.Logs(nfs.SAVE, nfs.TARGET, file, nfs.SOURCE, main)
diff --git a/core/code/xterm.go b/core/code/xterm.go
index fbe95e61..80f3be80 100644
--- a/core/code/xterm.go
+++ b/core/code/xterm.go
@@ -129,7 +129,7 @@ func init() {
 				if h := kit.Select(m.Option(mdb.HASH), arg, 0); h == "" {
 					cli.OpenCmds(m, "cd "+kit.Path(""))
 				} else {
-					cli.OpenCmds(m, m.Cmdv("", h, mdb.TYPE))
+					cli.OpenCmds(m, "cd "+kit.Path("")+"; "+m.Cmdv("", h, mdb.TYPE))
 				}
 				m.ProcessHold()
 			}},
@@ -154,9 +154,7 @@ func init() {
 				})
 			}},
 			web.DREAM_TABLES: {Hand: func(m *ice.Message, arg ...string) { m.PushButton(kit.Dict(m.CommandKey(), "终端")) }},
-			web.DREAM_ACTION: {Hand: func(m *ice.Message, arg ...string) {
-				web.DreamProcess(m, cli.Shell(m), arg...)
-			}},
+			web.DREAM_ACTION: {Hand: func(m *ice.Message, arg ...string) { web.DreamProcess(m, cli.Shell(m), arg...) }},
 		}, chat.FavorAction(), ctx.ProcessAction(), mdb.HashAction(mdb.FIELD, "time,hash,type,name,text,path")), Hand: func(m *ice.Message, arg ...string) {
 			if mdb.HashSelect(m, arg...); len(arg) == 0 {
 				if web.IsLocalHost(m) {
@@ -166,7 +164,7 @@ func init() {
 				}
 			} else {
 				kit.If(m.Length() == 0, func() { arg[0] = m.Cmdx("", mdb.CREATE, arg); mdb.HashSelect(m, arg[0]) })
-				m.Push(mdb.HASH, arg[0])
+				m.Push(mdb.HASH, arg[0]).Action(ice.APP)
 				ctx.DisplayLocal(m, "")
 			}
 		}},
diff --git a/core/wiki/portal.go b/core/wiki/portal.go
index c2cb1597..1ce4e482 100644
--- a/core/wiki/portal.go
+++ b/core/wiki/portal.go
@@ -44,12 +44,12 @@ func _portal_commands(m *ice.Message, arg ...string) {
 			kit.If(mod != BASE, func() { cmd = strings.TrimPrefix(cmd, "web.") })
 			if !strings.HasPrefix(cmd, last) {
 				last = strings.Split(cmd, nfs.PT)[0]
-				if p := path.Join(nfs.SRC_DOCUMENT, path.Join(arg...), mod, last); nfs.Exists(m, p) {
+				if p := path.Join(nfs.USR_LEARNING_PORTAL, path.Join(arg...), mod, last); nfs.Exists(m, p) {
 					text = append(text, kit.Format("	%s %s/", last, last))
 				}
 			}
 			cmd = strings.TrimPrefix(cmd, last+nfs.PT)
-			if p := path.Join(nfs.SRC_DOCUMENT, path.Join(arg...), mod, last, strings.Replace(cmd, nfs.PT, nfs.PS, -1)+".shy"); nfs.Exists(m, p) {
+			if p := path.Join(nfs.USR_LEARNING_PORTAL, path.Join(arg...), mod, last, strings.Replace(cmd, nfs.PT, nfs.PS, -1)+".shy"); nfs.Exists(m, p) {
 				text = append(text, kit.Format("		%s %s.shy", cmd, cmd))
 			} else if p, ok := help[last+nfs.PT+cmd]; ok {
 				text = append(text, kit.Format("		%s %s", cmd, strings.TrimPrefix(ctx.FileURI(p), "/require/")))
@@ -57,7 +57,7 @@ func _portal_commands(m *ice.Message, arg ...string) {
 		}
 	}
 	text = append(text, "`")
-	m.Cmd(nfs.SAVE, path.Join(nfs.SRC_DOCUMENT, path.Join(arg...), INDEX_SHY), strings.Join(text, lex.NL))
+	m.Cmd(nfs.SAVE, path.Join(nfs.USR_LEARNING_PORTAL, path.Join(arg...), INDEX_SHY), strings.Join(text, lex.NL))
 }
 
 const (
@@ -83,9 +83,9 @@ func init() {
 			web.DREAM_TABLES: {Hand: func(m *ice.Message, arg ...string) { m.PushButton(kit.Dict(PORTAL, "官网")) }},
 			web.DREAM_ACTION: {Hand: func(m *ice.Message, arg ...string) { web.DreamProcess(m, nil, arg...) }},
 		}, aaa.WhiteAction("")), Hand: func(m *ice.Message, arg ...string) {
-			if m.Push(HEADER, m.Cmdx(WORD, path.Join(nfs.SRC_DOCUMENT, INDEX_SHY))); len(arg) > 0 {
+			if m.Push(HEADER, m.Cmdx(WORD, path.Join(nfs.USR_LEARNING_PORTAL, INDEX_SHY))); len(arg) > 0 {
 				kit.If(path.Join(arg...) == "commands", func() { _portal_commands(m, arg...) })
-				m.Push(NAV, m.Cmdx(WORD, path.Join(nfs.SRC_DOCUMENT, path.Join(arg...), INDEX_SHY)))
+				m.Push(NAV, m.Cmdx(WORD, path.Join(nfs.USR_LEARNING_PORTAL, path.Join(arg...), INDEX_SHY)))
 			}
 			m.Display("")
 		}},
diff --git a/core/wiki/portal.js b/core/wiki/portal.js
index df323762..8a58a1a1 100644
--- a/core/wiki/portal.js
+++ b/core/wiki/portal.js
@@ -36,8 +36,8 @@ Volcanos(chat.ONIMPORT, {
 			can.page.Select(can, target, html.DIV_ITEM, function(target) { target != event.target && can.page.ClassList.del(can, target, html.SELECT) })
 			item.list && item.list.length > 0 || can.onaction.route(event, can, item.meta.link)
 		}, target, can.page.ClassList.has(can, target.parentNode, html.HEADER)? function(target, item) {
-			item.meta.link == nfs.SRC_DOCUMENT+can.db.current && can.onappend.style(can, html.SELECT, target)
-		}: function(target, item) { can.db.nav[can.base.trimPrefix(item.meta.link, nfs.SRC_DOCUMENT)] = target
+			item.meta.link == nfs.USR_LEARNING_PORTAL+can.db.current && can.onappend.style(can, html.SELECT, target)
+		}: function(target, item) { can.db.nav[can.base.trimPrefix(item.meta.link, nfs.USR_LEARNING_PORTAL)] = target
 			location.hash || item.list && item.list.length > 0 || link || (link = can.onaction.route({}, can, item.meta.link, true))
 		})
 	},
@@ -45,7 +45,7 @@ Volcanos(chat.ONIMPORT, {
 		target.onclick = function(event) { can.onaction.route(event, can, item.route) }
 	},
 	content: function(can, file) {
-		can.runActionCommand(event, web.WIKI_WORD, [(can.base.beginWith(file, nfs.USR, nfs.SRC)? "": nfs.SRC_DOCUMENT+can.db.current)+file], function(msg) { can.ui.main.innerHTML = msg.Result(), can.onmotion.clear(can, can.ui.aside)
+		can.runActionCommand(event, web.WIKI_WORD, [(can.base.beginWith(file, nfs.USR, nfs.SRC)? "": nfs.USR_LEARNING_PORTAL+can.db.current)+file], function(msg) { can.ui.main.innerHTML = msg.Result(), can.onmotion.clear(can, can.ui.aside)
 			can.onimport._content(can, can.ui.main, function(target, meta) {
 				meta.type == wiki.TITLE && can.onappend.style(can, meta.name, target._menu = can.onimport.item(can, {name: meta.text}, function(event) { target.scrollIntoView() }, function() {}, can.ui.aside))
 			}), can.onmotion.select(can, can.ui.aside, html.DIV_ITEM, 0)
@@ -64,7 +64,7 @@ Volcanos(chat.ONIMPORT, {
 }, [""])
 Volcanos(chat.ONACTION, {
 	route: function(event, can, route, internal) {
-		var link = can.base.trimPrefix(route||"", nfs.SRC_DOCUMENT); if (!link || link == can.db.current) { return }
+		var link = can.base.trimPrefix(route||"", nfs.USR_LEARNING_PORTAL); if (!link || link == can.db.current) { return }
 		if (!internal) { var params = ""; (can.misc.Search(can, log.DEBUG) == ice.TRUE && (params = "?debug=true"))
 			if (link == nfs.PS) { return can.isCmdMode()? can.user.jumps(can.db.prefix+params): (can.Option(nfs.PATH, ""), can.Update()) }
 			if (can.base.beginWith(link, web.HTTP, nfs.PS)) { return can.user.opens(link) }
diff --git a/core/wiki/word.go b/core/wiki/word.go
index 564f11f4..3decd1d3 100644
--- a/core/wiki/word.go
+++ b/core/wiki/word.go
@@ -54,12 +54,12 @@ func init() {
 				_wiki_list(msg, nfs.SRC)
 				_wiki_list(msg, nfs.USR_ICEBERGS)
 				msg.Table(func(value ice.Maps) {
-					if !kit.HasPrefix(value[nfs.PATH], nfs.SRC_TEMPLATE, nfs.SRC_DOCUMENT) {
+					if !kit.HasPrefix(value[nfs.PATH], nfs.SRC_TEMPLATE, nfs.USR_LEARNING_PORTAL) {
 						m.Push("", value, kit.Split("path,size,time"))
 					}
 				})
 				web.PushPodCmd(m.Spawn(), "").Table(func(value ice.Maps) {
-					if !kit.HasPrefix(value[nfs.PATH], nfs.SRC_TEMPLATE, nfs.SRC_DOCUMENT) {
+					if !kit.HasPrefix(value[nfs.PATH], nfs.SRC_TEMPLATE, nfs.USR_LEARNING_PORTAL) {
 						value[nfs.PATH] = value[web.SPACE] + nfs.DF + value[nfs.PATH]
 						m.Push("", value, kit.Split("path,size,time"))
 					}
@@ -76,7 +76,7 @@ func init() {
 			web.DREAM_TABLES: {Hand: func(m *ice.Message, arg ...string) { m.PushButton(kit.Dict(m.CommandKey(), "文档")) }},
 			web.DREAM_ACTION: {Hand: func(m *ice.Message, arg ...string) { web.DreamProcess(m, nil, arg...) }},
 		}, WikiAction("", nfs.SHY), mdb.HashAction(mdb.SHORT, nfs.PATH, mdb.FIELD, "time,path")), Hand: func(m *ice.Message, arg ...string) {
-			if len(arg) > 0 && !strings.HasPrefix(arg[0], nfs.SRC_DOCUMENT) {
+			if len(arg) > 0 && !strings.HasPrefix(arg[0], nfs.USR_LEARNING_PORTAL) {
 				mdb.HashCreate(m.Spawn(), nfs.PATH, arg[0])
 			}
 			if len(arg) > 0 && strings.Contains(arg[0], nfs.DF) {
diff --git a/misc/git/repos.go b/misc/git/repos.go
index b5352de7..404182d6 100644
--- a/misc/git/repos.go
+++ b/misc/git/repos.go
@@ -232,7 +232,7 @@ func _repos_status(m *ice.Message, p string, repos *git.Repository) error {
 		return err
 	}
 	for k, v := range status {
-		if kit.IsIn(k, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO, ice.ETC_LOCAL_SHY) {
+		if kit.IsIn(k, ice.SRC_VERSION_GO, ice.SRC_BINPACK_GO, ice.SRC_BINPACK_USR_GO, ice.ETC_LOCAL_SHY) {
 			continue
 		} else if kit.IsIn(kit.Ext(k), "swp", "swo") || kit.HasPrefix(k, nfs.BIN, nfs.VAR, nfs.USR) && !strings.HasPrefix(k, ice.USR_LOCAL_EXPORT) {
 			continue