diff --git a/frame.js b/frame.js
index 79d27a4c..5260370a 100644
--- a/frame.js
+++ b/frame.js
@@ -542,8 +542,8 @@ Volcanos(chat.ONMOTION, {_init: function(can, target) {
 			})
 		},
 	},
-	scrollHold: function(can, cb, target, scroll) { target = target || can._output
-		var top = target.scrollTop, left = target.scrollLeft; cb(), scroll || (target.scrollTop = top), target.scrollLeft = left
+	scrollHold: function(can, cb, target) { target = target || can._output
+		var top = target.scrollTop, left = target.scrollLeft; cb(), target.scrollLeft = left
 	},
 	clearFloat: function(can) {
 		var list = ["fieldset.input.float", "div.input.float", "div.carte.float"]; for (var i = 0; i < list.length; i++) {
diff --git a/index.css b/index.css
index a7b798c1..77f8aa5c 100644
--- a/index.css
+++ b/index.css
@@ -297,7 +297,11 @@ fieldset.plugin.inner.cmd>form.option { display:none; }
 fieldset.plugin.inner.cmd fieldset.xterm>form.option>div.item.text>input { width:320px; }
 fieldset.plan div.output table.content { height:100%; width:100%; }
 fieldset.xterm div.toggle { display:none; }
+fieldset.xterm div.output.select { border:blue solid 1px; }
 fieldset.xterm.output>div.output { overflow:hidden; }
+fieldset.xterm div.output { border-left:gray solid 1px; border-top:gray solid 1px; }
+div.layout.flex>div.output { float:left; clear:none; }
+fieldset>div.layout { clear:both; }
 fieldset.draw td.content { position:relative; }
 fieldset.draw div.output div.content svg { background-color:#1b5b738c; }
 fieldset.draw.spide div.output div.toggle { display:none; }
diff --git a/lib/page.js b/lib/page.js
index 919e6f47..0d9c7d71 100644
--- a/lib/page.js
+++ b/lib/page.js
@@ -21,7 +21,7 @@ Volcanos("page", {
 		return can.page.Select(can, target, key? "select[name="+key+"],"+"input.select[type=button][name="+key+"],"+"input[name="+key+"],"+"textarea[name="+key+"]": ".args", cb)
 	},
 	SelectInput: function(can, target, name, cb) { return can.page.Select(can, target, "input[name="+name+"]", cb)[0] },
-	SelectChild: function(can, target, key, cb) { var i = 0; return can.page.Select(can, target, key, function(node) { if (node.parentNode == target) { return cb(node, i++) } }) },
+	SelectChild: function(can, target, key, cb) { var i = 0; return can.page.Select(can, target, key, function(node) { if (node.parentNode == target) { return cb? cb(node, i++): node } }) },
 	SelectOne: function(can, target, key, cb) { return can.page.Select(can, target, key, function(target, index) { return index == 0 && can.base.isFunc(cb) && cb(target), target })[0] },
 	Select: function(can, target, key, cb, interval, cbs) { target = target || document.body
 		return can.core.List(key == ice.PT? [target]: target.querySelectorAll(can.page.Keys(key)), cb, interval, cbs)
diff --git a/panel/header.js b/panel/header.js
index 4284b93b..4ea703be 100644
--- a/panel/header.js
+++ b/panel/header.js
@@ -6,7 +6,7 @@ Volcanos(chat.ONIMPORT, {_init: function(can, msg, target) {
 	}) },
 	_state: function(can, msg, target) { can.user.isMobile || can.core.List(can.base.Obj(can.Conf(chat.STATE)||msg.Option(chat.STATE), [aaa.USERNICK, aaa.AVATAR, mdb.TIME]).reverse(), function(item) {
 		if (item == aaa.AVATAR ) { can.user.isLocalFile || can.page.Append(can, target, [{view: [[html.ITEM, chat.STATE, item]], list: [{img: ice.SP}], onclick: function(event) {
-			can.onaction.carte(event, can, [can.page.Format(html.IMG, can.onexport.avatar(can), can.page.height()/2)])
+			can.core.CallFunc([can.onaction, item], [event, can, item])
 		}}]); return }
 		can.page.Append(can, target, [{view: [[html.ITEM, chat.STATE, item], "", (can.Conf(item)||msg.Option(item)||"").split(ice.AT)[0].slice(0, 10)], onclick: function(event) {
 			can.core.CallFunc([can.onaction, item], [event, can, item])
@@ -95,6 +95,7 @@ Volcanos(chat.ONACTION, {_init: function(can) { var themeMedia = window.matchMed
 	},
 	carte: function(event, can, list, cb, trans) { can.user.carte(event, can, can.onaction, list, cb, null, trans) },
 	share: function(event, can, args) { can.user.share(can, can.request(event), [ctx.ACTION, chat.SHARE].concat(args||[])) },
+	avatar: function(event, can) { can.onaction.carte(event, can, [can.page.Format(html.IMG, can.onexport.avatar(can), can.page.height()/2)]) },
 	usernick: function(event, can) { can.user.mod.isPod || can.user.isExtension || can.user.isLocalFile || can.onaction.carte(event, can, can.onaction._menus) },
 	shareuser: function(event, can) { can.user.share(can, can.request(event), [ctx.ACTION, chat.SHARE, mdb.TYPE, aaa.LOGIN]) },
 	toimage: function(event, can) { can.onmotion.clearCarte(can), can.user.toimage(can, can.user.title(), can._target.parentNode) },
diff --git a/plugin/local/code/inner.js b/plugin/local/code/inner.js
index 912d1efb..89999be1 100644
--- a/plugin/local/code/inner.js
+++ b/plugin/local/code/inner.js
@@ -63,10 +63,9 @@ Volcanos(chat.ONIMPORT, {_init: function(can, msg, cb, target) { can.onmotion.cl
 		can.user.isMobile || can.page.Append(can, can.ui.tabs, [{view: mdb.TIME, _init: function(target) {
 			can.core.Timer({interval: 100}, function() { can.page.Modify(can, target, can.user.time(can, null, "%H:%M:%S %w")) })
 			can.onappend.figure(can, {action: "date", _hold: true}, target, function(sub, value) {})
-		}}]), can.user.info.avatar && can.page.Append(can, can.ui.tabs, [{view: aaa.AVATAR, list: [{img: can.user.info.avatar}]}])
-		can.page.Append(can, can.ui.tabs, [{view: ["usernick", "", can.user.info.usernick], onclick: function(event) {
-			can._root.Header.onaction.usernick(event, can._root.Header)
 		}}])
+		can.page.Append(can, can.ui.tabs, [{view: aaa.AVATAR, list: [{img: can.user.info.avatar}], onclick: function(event) { can._root.Header.onaction.avatar(event, can._root.Header) }}])
+		can.page.Append(can, can.ui.tabs, [{view: [aaa.USERNICK, "", can.user.info.usernick], onclick: function(event) { can._root.Header.onaction.usernick(event, can._root.Header) }}])
 	},
 	__tabPath: function(can, skip) { can.onmotion.clear(can, can.ui.path)
 		can.onimport._tabPath(can, ice.PS, nfs.PATH, can.base.Path(can.Option(nfs.PATH), can.Option(nfs.FILE)), function(ls) {
diff --git a/plugin/local/code/xterm.js b/plugin/local/code/xterm.js
index 781b6db8..e6d6005b 100644
--- a/plugin/local/code/xterm.js
+++ b/plugin/local/code/xterm.js
@@ -1,52 +1,92 @@
-Volcanos(chat.ONIMPORT, {_init: function(can, msg, cb) { can.onmotion.clear(can), can.onlayout._init(can)
-		can.page.requireModules(can, ["xterm/css/xterm.css", "xterm", "xterm-addon-fit", "xterm-addon-web-links"], function() {
-			can._delay_cmds = function() { delete(can._delay_cmds), item.text && can.core.Next(item.text.split(ice.NL), function(item, next) {
-				can.onimport._input(can, item+ice.NL), can.onmotion.delay(can, next)
-			}) }
-			var item = msg.TableDetail(); item.hash = item.hash||can.Option(mdb.HASH), item.text && can.onmotion.delay(can, function() { can._delay_cmds && can._delay_cmds() }, 1000)
-			can.onimport._connect(can, item), can.onappend.tools(can, msg, function(sub) {
-				sub.onexport.record = function(_, value, key, line) { can.onimport._input(can, value+ice.NL) }
-			}), msg.Option(ice.MSG_TOOLKIT, ""), can.base.isFunc(cb) && cb(msg), can.onappend._status(can)
-			can.sup._save && can._current.write(can.sup._save.replaceAll(ice.NL, "\r\n")), can.sup._save = ""
-			can.sup._listen || can.onengine.listen(can, chat.ONTHEMECHANGE, function() { can = can.core.Value(can.sup, chat._OUTPUTS_CURRENT)
-				can._current.selectAll(), can.sup._save = can.base.trimSuffix(can._current.getSelection(), ice.NL), can.Update()
-			}), can.sup._listen = true
-			can.sup.onexport.link = function() { return can.misc.MergePodCmd(can, {cmd: web.CODE_XTERM, hash: item.hash, style: html.OUTPUT}) }
-		})
+Volcanos(chat.ONIMPORT, {_init: function(can, msg, cb) { can.page.requireModules(can, ["xterm/css/xterm.css", "xterm", "xterm-addon-fit", "xterm-addon-web-links"], function() {
+		var item = msg.TableDetail(); item.hash = item.hash||can.Option(mdb.HASH), can.onmotion.clear(can), can.base.isFunc(cb) && cb(msg), can.onappend._status(can)
+		if (item.type == html.LAYOUT) { can.onimport._layout(can, item) } else { can.onimport._connect(can, item, can._output) } can.onimport.layout(can)
+		can.sup.onexport.link = function() { return can.misc.MergePodCmd(can, {cmd: web.CODE_XTERM, hash: item.hash, style: html.OUTPUT}) }
+	}) },
+	_layout: function(can, item) {
+		function show(list, target, root, tabs) { root = root||target, can.core.List(list, function(item) {
+			if (item.type.indexOf(html.LAYOUT) == 0) {
+				show(item.list, can.page.Append(can, target, [item.type])._target, root, tabs)._root = root
+			} else {
+				can.onimport._connect(can, item, can.page.Append(can, target, [html.OUTPUT])._target, tabs)._output._root = root
+			}
+		}); return target }
+		var main, output = can._output; can.core.List(can.base.Obj(item.text), function(item) {
+			if (item.type.indexOf(html.LAYOUT) == 0) { var tabs = can.onimport._tabs(can, item, {})
+				var target = show(item.list, can.page.insertBefore(can, [item.type], can._status), null, tabs); target._tabs = tabs, tabs._output = target
+				if (item.type.indexOf(html.HIDE) == -1) { main = target }
+			} else {
+				main = main||can.onimport._connect(can, item, output||can.page.insertBefore(can, [html.OUTPUT], can._status))._output, output = null
+			}
+		}), can.onaction.select(can, main)
 	},
-	_connect: function(can, item) { var term = new Terminal({tabStopWidth: 4, cursorBlink: true, theme: can.onimport._theme(can, item)}); term.loadAddon(new WebLinksAddon.WebLinksAddon())
-		can.page.style(can, can._output, html.BACKGROUND_COLOR, term._publicOptions.theme.background||cli.BLACK)
+	_tabs: function(can, item, output) { if (output != output._root && output._root) { return output._tabs = output._root._tabs }
+		var tabs = can.page.Append(can, can._action, [{view: [html.TABS, "", item.name||item.type||item.hash], onclick: function() {
+			can.onaction.select(can, tabs._output)
+		}}])._target; return tabs._output = output, output._tabs = tabs
+	},
+	_theme: function(can, item) { return can.base.Obj(item.theme)||(can.getHeaderTheme() == html.LIGHT? {background: cli.WHITE, foreground: cli.BLACK, cursor: cli.BLUE}: {}) },
+	_connect: function(can, item, output, tabs, text) { var term = new Terminal({tabStopWidth: 4, cursorBlink: true, theme: can.onimport._theme(can, item)})
 		var fitAddon = new FitAddon.FitAddon(); term.loadAddon(fitAddon), term._fit = fitAddon, can.onmotion.delay(can, function() { fitAddon.fit() })
 		term.onTitleChange(function(title) { can.onexport.title(can, title) }), can.onexport.title(can, item.name)
-		term.onResize(function(size) { can.onimport._resize(can, size) })
-		term.onData(function(data) { can.onimport._input(can, data) })
-		term.onCursorMove(function() { can.onexport.term(can) })
-		can._current = term, term._item = item, term.open(can._output), term.focus()
+		term.onResize(function(size) { can.onimport._resize(can, term, size) })
+		term.onData(function(data) { can.onimport._input(can, term, data) })
+		term.onCursorMove(function() { can.onexport.term(can, term) })
+		term.loadAddon(new WebLinksAddon.WebLinksAddon())
+		term._item = item, term._output = output, output._term = term, output._tabs || (tabs? (output._tabs = tabs): can.onimport._tabs(can, item, output))
+		term.open(output), term.focus(), text && term.write(text.replaceAll(ice.NL, "\r\n"))
+		can.onengine.listen(can, chat.ONTHEMECHANGE, function() { can = can.core.Value(can.sup, chat._OUTPUTS_CURRENT)
+			term.selectAll(), can.onimport._connect(can, item, output, tabs, can.base.trimSuffix(term.getSelection(), ice.NL))
+		}), can.page.style(can, output, html.BACKGROUND_COLOR, term._publicOptions.theme.background||cli.BLACK)
+		output.onclick = function() { can.onmotion.select(can, can._fields, html.DIV_OUTPUT, can._output = output), can.onexport.term(can, term) }
+		return can.db = can.db||{}, can.db[item.hash] = term
 	},
-	_resize: function(can, size) { // can.page.style(can, can._output, html.HEIGHT, "", html.WIDTH, "")
-		can.runAction(can.request({}, size, can._current._item), "resize", [], function() { can.onexport.term(can) })
+	_resize: function(can, term, size) { can.runAction(can.request({}, size, term._item), web.RESIZE, [], function() { can.onexport.term(can, term) }) },
+	_input: function(can, term, data) { can._output = term._output, can.runAction(can.request({}, term._item), web.INPUT, [btoa(data)], function() {}) },
+	grow: function(can, msg) { var arg = msg.detail.slice(1), term = can.db[arg[0]]; arg[1] == "~~~end~~~"? can.onaction.delete(can, term._output): term.write(arg[1]) },
+	layout: function(can) { function show(target, height, width) { var list = can.page.SelectChild(can, target, can.page.Keys(html.DIV_OUTPUT, html.DIV_LAYOUT))
+		var h = height/list.length, w = width; if (can.page.ClassList.has(can, target, html.FLEX)) { h = height, w = width/list.length } if (target == can._fields) { h = height, w = width }
+		can.core.List(list, function(target) { can.page.style(can, target, html.HEIGHT, h, html.WIDTH, w), can.page.ClassList.has(can, target, html.LAYOUT)? show(target, h, w): target._term && target._term._fit.fit() })
+	} show(can._fields, can.ConfHeight(), can.ConfWidth()) },
+})
+Volcanos(chat.ONACTION, {list: ["+", "-", "/", "sess"],
+	"+": function(event, can) { can.Update(event, [ctx.ACTION, mdb.CREATE], function(msg) { can.Update(event, [msg.Result()], function(msg) {
+		can.onaction.select(can, can._output = can.page.insertBefore(can, [html.OUTPUT], can._status)), can.onimport._init(can, msg)
+	}) }) },
+	"-": function(event, can) { can.onaction.split(event, can, html.FLOW) },
+	"/": function(event, can) { can.onaction.split(event, can, html.FLEX) },
+	split: function(event, can, button) { can.Update(event, [ctx.ACTION, mdb.CREATE], function(msg) { can.Update(event, [msg.Result()], function(msg) {
+		if (can.page.ClassList.has(can, can._output.parentNode, button)) { var layout = can._output.parentNode } else {
+			var layout = can.page.insertBefore(can, [{view: [[html.LAYOUT, button]]}], can._output); layout.appendChild(can._output)
+		}
+		var root = can._output._root||layout, tabs = can._output._tabs; tabs._output = root, root._tabs = tabs
+		can._output._root = root, can._output = can.page.insertBefore(can, [html.OUTPUT], can._output.nextSibling, layout)
+		can._output._root = root, can._output._tabs = tabs, can.onimport._init(can, msg)
+	}) }) },
+	delete: function(can, output) {
+		if (output == can.sup._output) {
+			can.onmotion.clear(can, output)
+		} else {
+			while (output && output.parentNode.children.length == 1) { output = output.parendNode }
+			can.page.Remove(can, output)
+		} can.onimport.layout(can)
 	},
-	_input: function(can, data) { can._current && can.runAction(can.request({}, can._current._item), "input", [btoa(data)], function() {}) },
-	_theme: function(can, item) { return can.base.Obj(item.theme)||(can.getHeaderTheme() == html.LIGHT? {background: cli.WHITE, foreground: cli.BLACK, cursor: cli.BLUE}: {}) },
-	grow: function(can, msg, _arg) { can._current.write(_arg), can._delay_cmds && can._delay_cmds() },
+	select: function(can, output) { can.page.SelectChild(can, can._fields, can.page.Keys(html.DIV_OUTPUT, html.DIV_LAYOUT), function(target) { can.onmotion.hidden(can, target, target == output || target == output._root)
+		can.onmotion.delay(can, function() { can.page.Select(can, target, can.page.Keys(html.DIV_OUTPUT, html.DIV_LAYOUT), function(target) { target._term && target._term._fit.fit() }) })
+	}) },
+	sess: function(can) { can.runAction({}, mdb.CREATE, [mdb.TYPE, html.LAYOUT, mdb.TEXT, can.base.Format(can.onexport.sess(can))], function() {}, true) },
 })
-Volcanos(chat.ONLAYOUT, {_init: function(can) {
-		can.page.style(can, can._output, html.HEIGHT, can.ConfHeight(), html.WIDTH, can.ConfWidth(), html.MAX_WIDTH, "")
-		can._current && can._current._fit.fit(), can.onexport.term(can)
+Volcanos(chat.ONEXPORT, {list: [mdb.TIME, mdb.HASH, mdb.TYPE, mdb.NAME, "rows", "cols", "cursorY", "cursorX"],
+	term: function(can, term) { item = term._item
+		can.core.List(can.onexport.list, function(key) { can.Status(key, can.base.getValid(item[key], term[key], term.buffer.active[key], "")+"") })
+		can.core.List([mdb.HASH, mdb.TYPE, mdb.NAME], function(key) { can.Status(key, item[key]||"") })
 	},
-	cmd: function(can) { can._current && can.onexport.title(can, can._current._item.name), can.ConfWidth(can.ConfWidth()-10) },
-})
-Volcanos(chat.ONACTION, {
-	refresh: function(event, can, button) { can.onlayout._init(can), can._current.focus() },
-	"波浪线": function(event, can, button) { can.onimport._input(can, "~"), can._current.focus() },
-	"反引号": function(event, can, button) { can.onimport._input(can, "`"), can._current.focus() },
-})
-Volcanos(chat.ONEXPORT, {list: [mdb.TIME, mdb.TYPE],
-// Volcanos(chat.ONEXPORT, {list: [mdb.TIME, mdb.TYPE, mdb.NAME, "rows", "cols", "cursorY", "cursorX"],
-	term: function(can) { var term = can._current||{}, item = term._item; if (!item) { return }
-		can.core.List(can.onexport.list, function(key) {
-			can.Status(key, can.base.getValid(item[key], term[key], term.buffer.active[key], "")+"")
-		}), can.Status(mdb.TYPE, item[mdb.TYPE]||""), can.Status(mdb.NAME, item[mdb.NAME]||"")
-	},
-	title: function(can, title) { can.sup.onexport.title(can.sup, title), can.Status(mdb.NAME, title) },
+	sess: function(can) { return can.page.Select(can, can._action, html.DIV_TABS, function(target) { function show(target) {
+		if (can.page.ClassList.has(can, target, html.LAYOUT)) {
+			return {type: target.className, name: target._tabs? target._tabs.innerText: "", list: can.page.SelectChild(can, target, can.page.Keys(html.DIV_OUTPUT, html.DIV_LAYOUT), function(target) { return show(target) })}
+		} else {
+			var item = target._term._item; return {type: item.type, name: target._tabs.innerText, text: item.text, hash: item.hash}
+		}
+	} return show(target._output) }) },
+	title: function(can, title) { can.page.Modify(can, can._output._tabs, title), can.Status(mdb.NAME, title), can.sup.onexport.title(can.sup, title) },
 })
diff --git a/proto.js b/proto.js
index 4eb0e136..ea7903dc 100644
--- a/proto.js
+++ b/proto.js
@@ -79,6 +79,7 @@ var web = {CHAT: "chat",
 	GET: "GET", PUT: "PUT", POST: "POST", DELETE: "DELETE",
 	Accept: "Accept", ContentType: "Content-Type", ContentJSON: "application/json", ContentFORM: "application/x-www-form-urlencoded",
 	VIDEO_WEBM: "video/webm",
+	INPUT: "input",
 	
 	CODE_GIT_STATUS: "web.code.git.status",
 	CODE_XTERM: "web.code.xterm",
@@ -236,6 +237,7 @@ var html = {PLUGIN_MARGIN: 10, ACTION_HEIGHT: 32, ACTION_MARGIN: 200,
 	DIV_CONTENT: "div.content", TABLE_CONTENT: "table.content", TABLE_LAYOUT: "table.layout", DIV_TOGGLE: "div.toggle",
 	DIV_LAYOUT_HEAD: "div.layout.head", DIV_LAYOUT_FOOT: "div.layout.foot", DIV_LAYOUT_LEFT: "div.layout.left",
 	DIV_FLOAT: "div.float", DIV_TOAST: "div.toast", DIV_CARTE: "div.carte",
+	DIV_LAYOUT: "div.layout",
 	DIV_EXPAND: "div.expand",
 }
 var lang = {