diff --git a/frame.js b/frame.js
index c0bd3d3a..06c2857d 100644
--- a/frame.js
+++ b/frame.js
@@ -213,7 +213,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
                 })
                 can.onappend._init(can, meta, list, function(sub) {
                     can.core.Timer(10, function() { for (var k in sub._inputs) { sub._inputs[k]._target.focus(); break } })
-                    typeof cb == "function" && cb(sub)
+                    can.base.isFunc(cb) && cb(sub)
                 }, target)
             },
             Pack: function(cmds, slient) {
@@ -231,7 +231,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
             sub.page.ClassList.add(sub, field, meta.style||meta.feature.style||"")
             sub.page.ClassList.add(sub, field, meta.index? meta.index.split(".").pop(): meta.name)
 
-            typeof cb == "function" && cb(sub)
+            can.base.isFunc(cb) && cb(sub)
             meta.option = can.base.Obj(meta.option||"{}", {})
             meta.inputs && sub.onappend._option(sub, meta, sub._option)
         }); return sub
@@ -308,7 +308,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
                 can.run(event, cmds, function(msg) { var sub = can.core.Value(can, "_outputs.-1")
                     if (can.core.CallFunc([sub, "onimport._process"], [sub, msg, cmds, cb])) { return }
                     if (can.core.CallFunc([can, "onimport._process"], [can, msg, cmds, cb])) { return }
-                    typeof cb == "function" && cb(msg)
+                    can.base.isFunc(cb) && cb(msg)
                 })
             })
             return
@@ -317,7 +317,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
         return can.run(event, cmds, function(msg) { var sub = can.core.Value(can, "_outputs.-1")
             if (can.core.CallFunc([sub, "onimport._process"], [sub, msg, cmds, cb])) { return }
             if (can.core.CallFunc([can, "onimport._process"], [can, msg, cmds, cb])) { return }
-            typeof cb == "function" && cb(msg)
+            can.base.isFunc(cb) && cb(msg)
             if (silent) { return }
 
             var display = msg.Option("_display") || meta.display || meta.feature.display || "/plugin/table.js"
@@ -380,7 +380,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
                 var last = array.slice(0, index).join(split), name = array.slice(0, index+1).join(split)
 
                 node[name] || (node[name] = can.page.Append(can, node[last], [{view: ["item", "div", value+(index==array.length-1?"":split)], onclick: function(event) {
-                    index < array.length - 1? can.onmotion.toggle(can, node[name]): typeof cb == "function" && cb(event, item)
+                    index < array.length - 1? can.onmotion.toggle(can, node[name]): can.base.isFunc(cb) && cb(event, item)
                 }}, {view: "list", style: {display: "none"}}]).last)
             })
         }); return node
@@ -506,7 +506,13 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
 
         can.onappend._init(can, meta, ["/plugin/state.js"], function(sub) {
             meta.type == "story" && sub.page.Remove(sub, sub._legend)
-            typeof cb == "function" && cb(sub, meta)
+            can.base.isFunc(cb) && cb(sub, meta)
+            sub._legend.onclick = function(event) {
+                var list = can.page.Select(can, sub._option, '.args', function(item) { return item.value||"" })
+                can.user.share(can, can.request(event), ["action", "share", "type", "field",
+                    "text", JSON.stringify(list),
+                    "river", meta.ctx||meta.key||"", "storm", meta.index||meta.cmd||meta.name])
+            }
         }, target||can._output)
     },
     plugin: function(can, meta, cb, target) { meta = meta || {}
@@ -521,7 +527,7 @@ Volcanos("onappend", {help: "渲染引擎", list: [], _init: function(can, meta,
             sub.onmotion.hidden(sub, sub._option)
             sub.onmotion.hidden(sub, sub._action)
             sub.onmotion.hidden(sub, sub._status)
-            typeof cb == "function" && cb(sub)
+            can.base.isFunc(cb) && cb(sub)
         }, target)
     },
 }, [], function(can) {})
@@ -577,7 +583,7 @@ Volcanos("onlayout", {help: "页面布局", list: [], _init: function(can) {
     resize: function(can, name, cb) {
         var list = []; can.onengine.listen(can, name, function(width, height) {
             can.Conf({width: width, height: height}), can.core.Delay(list, 100, function() {
-                typeof cb == "function" && cb(event)
+                can.base.isFunc(cb) && cb(event)
             })
         })
     },
@@ -649,10 +655,10 @@ Volcanos("onkeypop", {help: "键盘交互", list: [], _init: function(can, targe
         }
 
         var map = can.onkeypop._mode[mode]
-        var cb = map && map[event.key]; if (typeof cb == "function" && event.key.length > 1) {
+        var cb = map && map[event.key]; if (can.base.isFunc(cb) && event.key.length > 1) {
             repeat(cb, count); return list
         }
-        var cb = map && map[event.key.toLowerCase()]; if (typeof cb == "function" && event.key.length > 1) {
+        var cb = map && map[event.key.toLowerCase()]; if (can.base.isFunc(cb) && event.key.length > 1) {
             repeat(cb, count); return list
         }
 
@@ -797,7 +803,7 @@ Volcanos("onmotion", {help: "动态交互", list: [], _init: function(can, targe
             can.page.Modify(can, target, {style: {opacity: 1-(index+1)/time.length}})
         }, function() {
             can.page.Modify(can, target, {style: {display: "none"}})
-            typeof cb == "function" && cb
+            can.base.isFunc(cb) && cb()
         })
     },
 
@@ -883,7 +889,7 @@ Volcanos("onmotion", {help: "动态交互", list: [], _init: function(can, targe
         can.page.Select(can, target, "div.output", function(item, index) {
             index == 0 && (item.style.height = "")
         }), target.style.height = ""
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
     },
 
     move: function(can, target, layout) { var begin
diff --git a/lib/base.js b/lib/base.js
index 9b042820..2fc2c985 100644
--- a/lib/base.js
+++ b/lib/base.js
@@ -1,4 +1,5 @@
 Volcanos("base", {help: "数据类型",
+    isFunc: function(cb) { return typeof cb == "function" },
     Int: function(value, def) { return parseInt(value)||def||0 },
     Obj: function(value, def) {
         try {
diff --git a/lib/user.js b/lib/user.js
index 965a9dda..a6eed6f6 100644
--- a/lib/user.js
+++ b/lib/user.js
@@ -94,12 +94,10 @@ Volcanos("user", {help: "用户模块", agent: {
     },
     share: function(can, msg, cmd) {
         can.run(msg._event, cmd||["action", "share"], function(msg) {
-            var src = can.user.MergeURL(can, {_path: "/share/"+msg.Result()}, true)
             var ui = can.user.toast(can, {
-                title: can.page.Format("a", "/share/"+msg.Result()+"?share="+msg.Result()),
-                content: can.page.Format("img", src+"/share"),
+                title: msg.Append("name"), content: msg.Append("text"),
                 button: ["close"], duration: 100000,
-                width: 300, height: 300,
+                height: 300,
             })
         })
     },
@@ -122,7 +120,6 @@ Volcanos("user", {help: "用户模块", agent: {
                     can.misc.WSS(can, {type: "chrome"}, function(event, msg, cmd, arg) { if (!msg) { return }
                         if (cmd == "pwd") {
                             can.user.toast(can, arg[2], arg[1], 1000000)
-                            // can.user.share(can, can.request(event, {name: arg[0]}), ["action", "apply"])
                             msg.Reply()
                             return
                         }
@@ -279,8 +276,15 @@ Volcanos("user", {help: "用户模块", agent: {
     },
     logout: function(can) {
         if (can.user.confirm("logout?")) {
-            can.user.Cookie(can, "sessid", "")
-            can.user.reload(true)
+            can.run({}, ["action", "logout"], function(msg) {
+                can.user.Cookie(can, "sessid", "")
+
+                if (can.user.Search(can, "share")) {
+                    can.user.Search(can, "share", "")
+                } else {
+                    can.user.reload(true)
+                }
+            })
         }
     },
 
diff --git a/page/index.css b/page/index.css
index 8dd28185..f1c0230f 100644
--- a/page/index.css
+++ b/page/index.css
@@ -266,7 +266,7 @@ div.story[data-type=spark] span:hover {
 
 fieldset>form.option>div.item {
     float:left; margin-right:3px;
-    min-height:26px; vertical-align:middle;
+    min-height:25px; vertical-align:middle;
 }
 fieldset>form.option>div.item label {
     display:none;
diff --git a/panel/Action.js b/panel/Action.js
index 488ff16d..cd65efdc 100644
--- a/panel/Action.js
+++ b/panel/Action.js
@@ -1,25 +1,26 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg) {
-        var river = can.Conf("river"), storm = can.Conf("storm")
+        var river = can.Conf(can._RIVER), storm = can.Conf(can._STORM)
         can.onmotion.clear(can), can.core.Next(msg.Table(), function(item, next) {
-            item.width = parseInt(can.Conf("width")), item.height = parseInt(can.Conf("height"))
+            item.width = parseInt(can.Conf(can._WIDTH)), item.height = parseInt(can.Conf(can._HEIGHT))
             item.feature = can.base.Obj(item.feature||item.meta)
             item.inputs = can.base.Obj(item.inputs||item.list)
-            item.type = "plugin"
+            item.type = can._PLUGIN
 
             can.onappend.plugin(can, item, function(sub, meta) {
                 can.onimport._plugin(can, river, storm, sub, meta), next()
                 sub._option.dataset = sub._option.dataset || {}
                 item.id && (sub._option.dataset.id = item.id)
+                sub._target.Meta = item
             })
         }, function() {
-            can.onaction._layout(can, can.Conf("layout")||can.user.Search(can, "layout"))
+            can.onaction._layout(can, can.Conf(can._LAYOUT)||can.user.Search(can, can._LAYOUT))
         })
     },
     _plugin: function(can, river, storm, sub, item) {
         sub.run = function(event, cmds, cb) { var msg = sub.request(event)
             var toast = msg.Option("_toast") && can.user.toast(can, msg.Option("_toast"), "", 1000000)
             return can.run(event, (can.onengine[cmds[0]]? []: [river, storm, item.id||item.index||item.key+"."+item.name]).concat(cmds), function(msg) {
-                toast && toast.Close(), typeof cb == "function" && cb(msg)
+                toast && toast.Close(), can.base.isFunc(cb) && cb(msg)
             })
         }, can._plugins = (can._plugins||[]).concat([sub])
 
@@ -35,20 +36,27 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg)
         }}])
     },
     _share: function(can, msg, share) {
-        can.user.topic(can, can.user.Search(can, "topic")||msg.Option("topic")||"white")
-        can.user.title(can.user.Search(can, "title")||msg.Option("title"))
-        can.Conf("river", "_share"), can.Conf("storm", share)
+        can.Conf(can._WIDTH, window.innerWidth)
+        can.Conf(can._HEIGHT, window.innerHeight)
+        can.user.topic(can, can.user.Search(can, can._TOPIC)||msg.Option(can._TOPIC)||"white")
+        can.user.title(can.user.Search(can, can._TITLE)||msg.Option(can._TITLE))
+        can.Conf(can._RIVER, "_share"), can.Conf(can._STORM, share)
         can.onimport._init(can, msg)
     },
+    _menu: function(can) {
+        !can.user.isMobile && can.run({}, [can._SEARCH, "Header.onimport.menu", can._ACTION,
+            ["布局", "默认布局", "流动布局", "网格布局", "标签布局", "自由布局"],
+        ], function(event, key) { can.onaction._layout(can, key) })
+    },
 })
 Volcanos("onengine", {help: "解析引擎", list: [],
-    engine: function(event, can, msg, panel, cmds, cb) {
+    engine: function(event, page, msg, can, cmds, cb) {
         var river = can.onengine.river[cmds[0]]
         var storm = river && river.storm[cmds[1]]
         if (!storm || cmds.length != 2) { return false }
 
-        if (storm.index) { cmds = ["action", "command"].concat(storm.index)
-            can.misc.Runs(event, can, {names: panel._name}, cmds, cb)
+        if (storm.index) { cmds = [can._ACTION, "command"].concat(storm.index)
+            can.misc.Runs(event, can, {names: can._name}, cmds, cb)
         } else {
             can.core.List(storm.action, function(value) {
                 msg.Push("name", value.name||"")
@@ -57,13 +65,20 @@ Volcanos("onengine", {help: "解析引擎", list: [],
                 msg.Push("feature", JSON.stringify(value.feature||{}))
                 msg.Push("index", value.index||"")
                 msg.Push("args", value.args||"[]")
-            }), typeof cb == "function" && cb(msg)
+            }), can.base.isFunc(cb) && cb(msg)
         }
         return true
     },
 })
 Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg, list, cb, target) {
-        var share = can.user.Search(can, "share"); if (share) {
+        can.const(
+            "output", "fields",
+            "search", "action", "share", "river", "storm",
+            "title", "topic", "layout", "width", "height",
+            "plugin",
+        )
+
+        var share = can.user.Search(can, can._SHARE); if (share) {
             can.run({}, ["_share", share], function(msg) { msg.Length()>0? can.onimport._share(can, msg, share):
                 can.onengine.engine({}, can, msg, can, [msg.Option("sess.river"), msg.Option("sess.storm")], function(msg) {
                     can.onimport._share(can, msg, share)
@@ -75,8 +90,8 @@ Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg,
             can.onaction._select(can, msg, river, storm)
         })
 
-        can.onengine.listen(can, "search", function(msg, word) {
-            if (word[0] == "*" || word[0] == "plugin") { can.onexport.plugin(can, msg, word) }
+        can.onengine.listen(can, can._SEARCH, function(msg, word) {
+            if (word[0] == "*" || word[0] == can._PLUGIN) { can.onexport.plugin(can, msg, word) }
         })
 
         can._target.ontouchstart = function(event) {
@@ -86,13 +101,11 @@ Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg,
         var list = []; can.onengine.listen(can, "resize", function(width, height) {
             can.Conf({width: width, height: height}), can.core.Delay(list, 1000, function() {
                 can.onengine.signal(can, "action.resize", can.request({}, {
-                    width: can.Conf("width"), height: can.Conf("height"),
+                    width: can.Conf(can._WIDTH), height: can.Conf(can._HEIGHT),
                 }))
             })
         })
-        !can.user.isMobile && can.run({}, ["search", "Header.onimport.menu", "action",
-            ["布局", "默认布局", "流动布局", "网格布局", "标签布局", "自由布局"],
-        ], function(event, key) { can.onaction._layout(can, key) })
+        can.onimport._menu(can)
     },
     _layout: function(can, key) { if (!key) { return }
         var trans = {
@@ -103,7 +116,7 @@ Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg,
             "自由布局": "free",
         }
 
-        key = trans[key]||key, can.Conf("layout", key)
+        key = trans[key]||key, can.Conf(LAYOUT, key)
         can.page.Modify(can, can._action, {className: "action "+key})
         can.page.Modify(can, can._output, {className: "output "+key})
 
@@ -113,13 +126,13 @@ Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg,
         }
     },
     _select: function(can, msg, river, storm) {
-        function key(name) { return can.Conf("river")+"."+can.Conf("storm")+"."+name}
-        can.page.Cache(key("action"), can._action, can._output.scrollTop+1)
-        can.page.Cache(key("output"), can._output, can._output.scrollTop+1)
+        function key(name) { return can.Conf(can._RIVER)+"."+can.Conf(can._STORM)+"."+name}
+        can.page.Cache(key(can._ACTION), can._action, can._output.scrollTop+1)
+        can.page.Cache(key(can._OUTPUT), can._output, can._output.scrollTop+1)
 
-        can.Conf("river", river), can.Conf("storm", storm) // 转场
-        var position = can.page.Cache(key("output"), can._output)
-        var position = can.page.Cache(key("action"), can._action)
+        can.Conf(can._RIVER, river), can.Conf(can._STORM, storm) // 转场
+        var position = can.page.Cache(key(can._OUTPUT), can._output)
+        var position = can.page.Cache(key(can._ACTION), can._action)
         if (position) { can._output.scrollTo(0, position-1); return }
 
         can.run({}, [river, storm], function(msg) {
@@ -127,7 +140,7 @@ Volcanos("onaction", {help: "交互操作", list: [], _init: function(can, msg,
                 can.onimport._init(can, msg)
             } else {
                 var msg = can.request({}, {river: river, storm: storm})
-                can.run(msg._event, ["search", "River.ondetail.添加工具"])
+                can.run(msg._event, [can._SEARCH, "River.ondetail.添加工具"])
             }
         })
     },
@@ -142,20 +155,31 @@ Volcanos("onexport", {help: "导出数据", list: [],
     size: function(can, msg) {
         msg.Option("top", can._target.offsetTop)
         msg.Option("left", can._target.offsetLeft)
-        msg.Option("width", can._target.offsetWidth)
-        msg.Option("height", can._target.offsetHeight)
+        msg.Option(can._WIDTH, can._target.offsetWidth)
+        msg.Option(can._HEIGHT, can._target.offsetHeight)
     },
-    layout: function(can, msg) { return can.Conf("layout") },
+    layout: function(can, msg) { return can.Conf(LAYOUT) },
     plugin: function(can, msg, word) {
-        var fields = (msg.Option("fields")||"ctx,cmd,type,name,text").split(",")
+        var fields = (msg.Option(can._FIELDS)||"ctx,cmd,type,name,text").split(",")
         can.page.Select(can, can._output, "fieldset.plugin>legend", function(item) {
             if (item.innerHTML.indexOf(word[1]) == -1) { return }
 
+            var meta = item.parentNode.Meta
             can.core.List(fields, function(key) {
                 switch (key) {
+                    case "context": 
+                        msg.Push(key, meta.ctx||meta.key||"")
+                        break
+                    case "command": 
+                        msg.Push(key, meta.index||meta.cmd||meta.name)
+                        break
+                    case "argument": 
+                        var list = can.page.Select(can, item.nextSibling, '.args', function(item) { return item.value||"" })
+                        msg.Push(key, JSON.stringify(list))
+                        break
                     case "ctx": msg.Push(key, "web.chat"); break
-                    case "cmd": msg.Push(key, "action"); break
-                    case "type": msg.Push(key, "plugin"); break
+                    case "cmd": msg.Push(key, can._ACTION); break
+                    case "type": msg.Push(key, can._PLUGIN); break
                     case "name": msg.Push(key, item.innerHTML); break
                     case "text":
                         msg.Push(key, shy("跳转", function() {
diff --git a/panel/Footer.js b/panel/Footer.js
index 93efe8f0..94cff676 100644
--- a/panel/Footer.js
+++ b/panel/Footer.js
@@ -3,7 +3,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         can.onimport._title(can, msg, target)
         can.onimport._toast(can, msg, target)
         can.onimport._state(can, msg, target)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
     },
     _title: function(can, msg, target) {
         can.user.isMobile || can.core.List(msg.result, function(title) {
diff --git a/panel/Header.js b/panel/Header.js
index f19f6896..01965367 100644
--- a/panel/Header.js
+++ b/panel/Header.js
@@ -1,9 +1,9 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
-        if (can.user.Search(can, "grant")) {
-            if (can.user.confirm("grant "+can.user.Search(can, "grant"))) {
-                can.run(event, ["action", "grant", "space", can.user.Search(can, "grant")])
+        const GRANT = "grant"; if (can.user.Search(can, GRANT)) {
+            if (can.user.confirm(GRANT+" "+can.user.Search(can, GRANT))) {
+                can.run(event, [can._ACTION, GRANT, "space", can.user.Search(can, GRANT)])
             }
-            can.user.Search(can, "grant", "")
+            can.user.Search(can, GRANT, "")
             return
         }
 
@@ -32,22 +32,22 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         can.onimport._agent(can, msg, target)
         can.onimport._menu(can, msg, target)
 
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
         can.page.Modify(can, can._output, {onmouseover: function(event) {
             can.menu && can.page.Remove(can, can.menu.first)
         }})
     },
     _title: function(can, msg, target) {
-        can.user.title(can.user.Search(can, "title")||can.user.Search(can, "pod"))
+        can.user.title(can.user.Search(can, can._TITLE)||can.user.Search(can, "pod"))
         !can.user.isMobile && can.core.List(msg.result||["github.com/shylinux/contexts"], function(item) {
-            can.page.Append(can, target, [{view: ["title", "div", item], onclick: function(event) {
+            can.page.Append(can, target, [{view: [can._TITLE, "div", item], onclick: function(event) {
                 can.onaction.title(event, can)
             }}])
         })
     },
     _state: function(can, msg, target) {
-        can.core.List(can.base.Obj(msg.Option("state"), can.Conf("state")||["time", "username"]), function(item) {
-            if (item == "avatar") {
+        can.core.List(can.base.Obj(msg.Option("state"), can.Conf("state")||["time", can._USERNAME]), function(item) {
+            if (item == can._AVATAR) {
                 can.page.Append(can, target, [{view: ["state "+item], list: [{img: can.Conf(item), onmouseenter: function(event) {
                     can.onaction.carte(event, can, [can.page.Format("img", can.Conf(item), 160)])
                 }}]}])
@@ -62,22 +62,22 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         })
     },
     _search: function(can, msg, target) {
-        var ui = can.page.Append(can, target, [{view: "search", list: [{type: "input", data: {placeholder: "search"}, onkeydown: function(event) {
+        var ui = can.page.Append(can, target, [{view: can._SEARCH, list: [{type: "input", data: {placeholder: can._SEARCH}, onkeydown: function(event) {
             can.onkeypop.input(event, can); switch (event.key) {
-                case "Enter": can.run(event, ["search", "Search.onimport.select", "*", event.target.value]); break
+                case "Enter": can.run(event, [can._SEARCH, "Search.onimport.select", "*", event.target.value]); break
             }
         }}] }]); can.onmotion.autosize(can, ui.input, 240, 120)
         can.user.isMobile && can.page.Modify(can, ui.first, {style: {float: "right"}})
     },
     _avatar: function(can, msg) {
-        !can.user.isLocalFile && can.page.Modify(can, "div.output div.state.avatar>img", {src: can.Conf("avatar", msg.Option("avatar"))})
+        !can.user.isLocalFile && can.page.Modify(can, "div.output div.state.avatar>img", {src: can.Conf(can._AVATAR, msg.Option(can._AVATAR))})
     },
     _background: function(can, msg) {
-        !can.user.isLocalFile && can.onlayout.background(can, msg.Option("background"), document.body)
+        !can.user.isLocalFile && can.onlayout.background(can, msg.Option(can._BACKGROUND), document.body)
     },
     _daemon: function(can, msg, target) {
         can.misc.WSS(can, {type: "chrome", name: can.user.Search(can, "daemon")||""}, function(event, msg, cmd, arg) { if (!msg) { return }
-            can.run(event, ["search"].concat(msg["detail"]||[]), function(msg) {
+            can.run(event, [can._SEARCH].concat(msg["detail"]||[]), function(msg) {
                 msg.Reply()
             })
         })
@@ -95,13 +95,13 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         can.user.isWeiXin && can.onimport._weixin(can)
     },
     _menu: function(can, msg, target) {
-        can.onimport.menu(can, can.user.isMobile||can.user.isExtension||can.user.Search(can, "pod")? ["header", "river"]:
+        can.onimport.menu(can, can.user.isMobile||can.user.isExtension||can.user.Search(can, "pod")? ["header", can._RIVER]:
             ["header", ["setting", "black", "white", "print", "pack"]], function(event, item) {
                 can.core.CallFunc([can.onaction, item], [event, can, item])
             })
     },
 
-    _weixin: function(can, msg) { can.run({}, ["action", "agent"], function(msg) {
+    _weixin: function(can, msg) { can.run({}, [can._ACTION, "agent"], function(msg) {
         can.require(can.base.Obj(msg.Option("script")), function(can) {
             wx.config({debug: msg.Option("debug") == "true",
                 appId: msg.Option("appid"), signature: msg.Option("signature"),
@@ -109,10 +109,10 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
 
                 jsApiList: can.core.Item({
                     scanQRCode: function(cb) { wx.scanQRCode({needResult: cb? 1: 0, scanType: ["qrCode","barCode"], success: function (res) {
-                        typeof cb == "function" && cb(res.resultStr)
+                        can.base.isFunc(cb) && cb(res.resultStr)
                     } }) },
                     getLocation: function(cb) { wx.getLocation({type: "gcj02", success: function (res) {
-                        typeof cb == "function" && cb({type: "gcj02", name: "当前位置", text: "当前位置", latitude: parseInt(res.latitude*100000), longitude: parseInt(res.longitude*100000) })
+                        can.base.isFunc(cb) && cb({type: "gcj02", name: "当前位置", text: "当前位置", latitude: parseInt(res.latitude*100000), longitude: parseInt(res.longitude*100000) })
                     } }) },
                     openLocation: function(msg) { wx.openLocation({
                         latitude: parseInt(msg.Option("latitude"))/100000,
@@ -121,7 +121,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
                         scale: msg.Option("scale")||14, infoUrl: msg.Option("link"),
                     }) },
                     chooseImage: function(cb, count) { wx.chooseImage({count: count||9, sizeType: ['original', 'compressed'], sourceType: ['album', 'camera'], success: function (res) {
-                        typeof cb == "function" && cb(res.localIds)
+                        can.base.isFunc(cb) && cb(res.localIds)
                     } }) },
                 }, function(key, value) { return can.user.agent[key] = value, key }),
             })
@@ -139,7 +139,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         return can.page.Append(can, can._output, [{type: cmds[0], list: can.core.List(cmds.slice(1), function(item) {
             if (typeof item == "string") {
                 return {view: ["menu", "div", item], onclick: function(event) {
-                    typeof cb == "function" && cb(event, item)
+                    can.base.isFunc(cb) && cb(event, item)
                 }}
 
             } else if (item.length > 0) {
@@ -153,32 +153,38 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         }) }]).first
     },
     avatar: function(event, can, url) {
-        can.run(event, ["action", "avatar", url], function(msg) {
+        can.run(event, [can._ACTION, can._AVATAR, url], function(msg) {
             can.onimport._avatar(can, msg)
         })
     },
     background: function(event, can, url) {
-        can.run(event, ["action", "background", url], function(msg) {
+        can.run(event, [can._ACTION, can._BACKGROUND, url], function(msg) {
             can.onimport._background(can, msg)
         })
     },
 })
 Volcanos("onaction", {help: "交互数据", list: [], _init: function(can, msg, list, cb, target) {
+        can.const(
+            "search", "action", "share", "title", "river", "storm",
+            "grant",
+            "username", "background", "avatar",
+        )
+
         function init() { can.run({}, [], function(msg) {
-            can.Conf("username", msg.Option("user.nick")||msg.Option("user.name"))
-            can.Conf("background", msg.Option("background"))
-            can.Conf("avatar", msg.Option("avatar"))
+            can.Conf(can._USERNAME, msg.Option("user.nick")||msg.Option("user.name")||can.Conf(can._USERNAME))
+            can.Conf(can._BACKGROUND, msg.Option(can._BACKGROUND))
+            can.Conf(can._AVATAR, msg.Option(can._AVATAR))
 
             can.onimport._init(can, msg, list, function(msg) {
                 can.onengine.listen(can, "storm.select", function(msg, river, storm) {
-                    can.Conf("river", river), can.Conf("storm", storm)
+                    can.Conf(can._RIVER, river), can.Conf(can._STORM, storm)
                 })
 
-                can.run(msg._event, ["search", "Footer.onaction._init"])
-                can.run(msg._event, ["search", "Action.onaction._init"])
-                can.run(msg._event, ["search", "River.onaction._init"])
-                can.run(msg._event, ["search", "Search.onaction._init"])
-                typeof cb == "function" && cb(msg)
+                can.run(msg._event, [can._SEARCH, "Footer.onaction._init"])
+                can.run(msg._event, [can._SEARCH, "Action.onaction._init"])
+                can.run(msg._event, [can._SEARCH, "River.onaction._init"])
+                can.run(msg._event, [can._SEARCH, "Search.onaction._init"])
+                can.base.isFunc(cb) && cb(msg)
             }, can._output)
 
             can.page.Select(can, document.body, "fieldset.River", function(item) {
@@ -191,12 +197,13 @@ Volcanos("onaction", {help: "交互数据", list: [], _init: function(can, msg,
 
         can.onlayout.topic(can)
         can.user.isLocalFile? init(): can.run({}, ["check"], function(msg) {
-            msg.Result()? init(): msg.Option("sso")? can.user.jumps(msg.Option("sso")): can.user.login(can, init)
+            can.Conf(can._USERNAME, msg.Result())? init():
+                msg.Option("sso")? can.user.jumps(msg.Option("sso")): can.user.login(can, init)
         })
     },
 
     title: function(event, can) {
-        var args = {}; can.core.List(["pod", "title", "topic", "layout"], function(key) {
+        var args = {}; can.core.List(["pod", can._TITLE, "topic", "layout"], function(key) {
             var value = can.user.Search(can, key); value && (args[key] = value)
         })
         can.user.jumps(can.user.MergeURL(can, args, true))
@@ -220,7 +227,7 @@ Volcanos("onaction", {help: "交互数据", list: [], _init: function(can, msg,
             })
             var msg = can.request(event, {
                 name: meta.name, content: JSON.stringify(Volcanos.meta.pack),
-                river: can.Conf("river"), storm: can.Conf("storm"),
+                river: can.Conf(can._RIVER), storm: can.Conf(can._STORM),
             })
 
             var toast = can.user.toast(can, "打包中...", "webpack", 1000000)
@@ -235,13 +242,13 @@ Volcanos("onaction", {help: "交互数据", list: [], _init: function(can, msg,
         can.onlayout.figure(event, can, can.menu.first)
     },
     shareuser: function(event, can) {
-        can.user.share(can, can.request(event), ["action", "share", "type", "login"])
+        can.user.share(can, can.request(event), [can._ACTION, can._SHARE, "type", "login"])
     },
     usernick: function(event, can) {
-        can.user.input(event, can, [{_input: "text", name: "usernick", value: can.Conf("username")}], function(ev, button, data, list, args) {
+        can.user.input(event, can, [{_input: "text", name: "usernick", value: can.Conf(can._USERNAME)}], function(ev, button, data, list, args) {
             can.run(event, ["usernick", list[0]], function(msg) {
                 can.page.Select(can, can._output, "div.username", function(item) {
-                    can.page.Modify(can, item, can.Conf("username", list[0]))
+                    can.page.Modify(can, item, can.Conf(can._USERNAME, list[0]))
                 }), can.user.toast(can, "修改成功")
             }, true)
         })
@@ -249,8 +256,8 @@ Volcanos("onaction", {help: "交互数据", list: [], _init: function(can, msg,
     clear: function(event, can, button) { can.onimport.background(event, can, "") },
     logout: function(event, can) { can.user.logout(can) },
 
-    River: function(can) { can.run({}, ["search", "River.onmotion.toggle"]) },
-    Footer: function(can) { can.run({}, ["search", "River.onmotion.autosize"]) },
+    River: function(can) { can.run({}, [can._SEARCH, "River.onmotion.toggle"]) },
+    Footer: function(can) { can.run({}, [can._SEARCH, "River.onmotion.autosize"]) },
 })
 Volcanos("onexport", {help: "导出数据", list: [],
     height: function(can) { return can._target.offsetHeight },
diff --git a/panel/River.js b/panel/River.js
index a264b80c..5db48cdf 100644
--- a/panel/River.js
+++ b/panel/River.js
@@ -1,12 +1,17 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
-        can._main_river = can.user.Search(can, "river") || Volcanos.meta.args.river || "project"
-        can._main_storm = can.user.Search(can, "storm") || Volcanos.meta.args.storm || "studio"
-
+        can._main_river = "project", can._main_storm = "studio"
         if (can.user.isExtension) { can._main_river = "product", can._main_storm = "chrome" }
         if (can.user.isMobile) { can._main_river = "product", can._main_storm = "office" }
         if (can.user.isWeiXin) { can._main_river = "service", can._main_storm = "wx" }
 
+        can._main_river = can.user.Search(can, can._RIVER) || msg.Option("sess.river") || Volcanos.meta.args.river || can._main_river
+        can._main_storm = can.user.Search(can, can._STORM) || msg.Option("sess.storm") || Volcanos.meta.args.storm || can._main_storm
+        can._main_title = can.user.Search(can, can._TITLE) || msg.Option("sess.title") || Volcanos.meta.args.title || can.user.Search(can, "pod") || can._main_title
+
+        can.base.isFunc(cb) && cb(msg)
         can.onmotion.clear(can), can.sublist = {}
+        if (msg.Option("sess.river") == "_share") { return can.onmotion.hide(can) }
+        can.onimport._menu(can)
         var select; msg.Table(function(value, index, array) {
             var view = can.onappend.item(can, "item", value, function(event, item) {
                 // 左键选中
@@ -19,7 +24,16 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
             }, target)
 
             if (index == 0 || [value.hash, value.name].indexOf(can._main_river) > -1) { select = view }
-        }), select && select.click(), typeof cb == "function" && cb(msg)
+        }), select && select.click()
+    },
+    _menu: function(can) {
+        can.run({}, [can._SEARCH, "Header.onimport.menu", can._RIVER,
+            ["添加", "创建群组", "添加应用", "添加工具", "添加用户", "添加设备", "创建空间"],
+            !can.user.isMobile && ["访问", "内部系统", "访问应用", "访问工具", "访问用户", "访问设备", "工作任务"],
+            ["共享", "共享群组", "共享应用", "共享工具", "共享主机"],
+        ], function(event, item) {
+            can.core.CallFunc([can.ondetail, item], [event, can, item, can.Conf(can._RIVER), can.Conf(can._STORM)])
+        })
     },
 })
 Volcanos("onengine", {help: "解析引擎", list: [], engine: function(event, can, msg, panel, cmds, cb) {
@@ -30,14 +44,17 @@ Volcanos("onengine", {help: "解析引擎", list: [], engine: function(event, ca
         var river = can.onengine.river[cmds[0]]; if (!river) { return false }
         can.core.Item(river.storm, function(key, value) {
             msg.Push({hash: key, name: value.name})
-        }), typeof cb == "function" && cb(msg); return true
+        }), can.base.isFunc(cb) && cb(msg); return true
     },
 })
 Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, msg, list, cb, target) {
+        can.const(
+            "search", "title", "river", "storm",
+        )
         can.run({}, [], function(msg) { can.onimport._init(can, msg, list, cb, can._output) })
 
-        can.onengine.listen(can, "search", function(msg, word) {
-            if (word[0] == "*" || word[0] == "storm") { can.onexport.storm(can, msg, word) }
+        can.onengine.listen(can, can._SEARCH, function(msg, word) {
+            if (word[0] == "*" || word[0] == can._STORM) { can.onexport.storm(can, msg, word) }
         })
 
         can.onengine.listen(can, "action.touch", function() {
@@ -46,14 +63,6 @@ Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, msg,
                 can.page.Remove(can, item)
             })
         })
-
-        can.run({}, ["search", "Header.onimport.menu", "river",
-            ["添加", "创建群组", "添加应用", "添加工具", "添加用户", "添加设备", "创建空间"],
-            !can.user.isMobile && ["访问", "内部系统", "访问应用", "访问工具", "访问用户", "访问设备", "工作任务"],
-            ["共享", "共享群组", "共享应用", "共享工具", "共享设备"],
-        ], function(event, item) {
-            can.core.CallFunc([can.ondetail, item], [event, can, item, can.Conf("river"), can.Conf("storm")])
-        })
     },
     storm: function(event, can, river) {
         var list = can.sublist[river]; if (list) { return can.page.Toggle(can, list) }
@@ -65,10 +74,10 @@ Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, msg,
                 return {text: [storm.name, "div", "item"], onclick: function(event) {
                     // 左键点击
                     can.onaction.action(event, can, river, storm.hash)
-                    can.user.title(can.user.Search(can, "pod") || storm.name)
+                    can.user.title(can._main_title || storm.name)
                 }, oncontextmenu: function(event) {
                     can.onaction.action(event, can, river, storm.hash)
-                    can.user.title(can.user.Search(can, "pod") || storm.name)
+                    can.user.title(can._main_title || storm.name)
 
                     // 右键点击
                     can.user.carte(event, can, can.ondetail, ["共享应用", "添加工具", "保存参数", "重命名应用", "删除应用"], function(ev, item, meta) {
@@ -83,7 +92,7 @@ Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, msg,
     },
     action: function(event, can, river, storm) { can.onlayout._init(can)
         can.onengine.signal(can, "storm.select", can.request(event, {
-            river: can.Conf("river", river), storm: can.Conf("storm", storm),
+            river: can.Conf(can._RIVER, river), storm: can.Conf(can._STORM, storm),
         }))
 
         can.page.Select(can, can._output, "div.item.select", function(item) {
@@ -110,9 +119,9 @@ Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, msg,
     "创建": function(event, can) { can.onaction.create(event, can) },
     "刷新": function(event, can) {
         can.user.Search(can, {
-            river: can.Conf("river"), storm: can.Conf("storm"),
-            topic: can.run(event, ["search", "Header.onexport.topic"]),
-            layout: can.run(event, ["search", "Action.onexport.layout"]),
+            river: can.Conf(can._RIVER), storm: can.Conf(can._STORM),
+            topic: can.run(event, [can._SEARCH, "Header.onexport.topic"]),
+            layout: can.run(event, [can._SEARCH, "Action.onexport.layout"]),
         })
     },
 })
@@ -124,7 +133,7 @@ Volcanos("ondetail", {help: "菜单交互", list: ["共享群组", "添加用户
             {_input: "text", name: "name", value: river},
         ], function(event, button, meta, list) {
             var msg = can.request(event)
-            can.user.share(can, msg, [river, "action", "share", "type", "river", "name", meta.name])
+            can.user.share(can, msg, [river, "action", "share", "type", can._RIVER, "name", meta.name])
         })
     },
     "添加用户": function(event, can, button, river) {
@@ -171,8 +180,8 @@ Volcanos("ondetail", {help: "菜单交互", list: ["共享群组", "添加用户
             {_input: "text", name: "name", value: storm},
         ], function(event, button, meta, list) {
             var msg = can.request(event)
-            can.user.share(can, msg, [river, "action", "share", "type", "storm", "name", meta.name,
-                "storm", storm,
+            can.user.share(can, msg, [river, "action", "share", "type", can._STORM, "name", meta.name,
+                can._STORM, storm, can._RIVER, river,
             ])
         })
     },
@@ -186,7 +195,7 @@ Volcanos("ondetail", {help: "菜单交互", list: ["共享群组", "添加用户
         })
     },
     "保存参数": function(event, can, button, river, storm) {
-        can.run(event, ["search", "Action.onexport.args"], function(item, next, index, array) {
+        can.run(event, [can._SEARCH, "Action.onexport.args"], function(item, next, index, array) {
             var msg = can.request({}, {hash: storm, id: item.dataset.id})
             can.run(msg._event, [river, "tool", "action", "modify", "arg", item.dataset.args], function(msg) {
                 can.user.toast(can, "保存"+(index+1)+"/"+array.length)
@@ -214,7 +223,7 @@ Volcanos("ondetail", {help: "菜单交互", list: ["共享群组", "添加用户
     },
     "访问应用": function(event, can, button, river, storm) {
         var msg = can.request(event, {sort: ","})
-        can.user.select(event, can, "storm", "type,name,text")
+        can.user.select(event, can, can._STORM, "type,name,text")
     },
     "访问工具": function(event, can, button, river, storm) {
         var msg = can.request(event, {sort: ","})
@@ -231,14 +240,22 @@ Volcanos("ondetail", {help: "菜单交互", list: ["共享群组", "添加用户
         can.user.select(event, can, "task", "time,zone,id,type,name,text")
     },
 
-    "共享设备": function(event, can, button, river, storm) {
+    "共享主机": function(event, can, button, river, storm) {
         can.run(event, ["action", "invite"], function(msg) {
             var toast = can.user.toast(can, {
-                title: "共享设备", content: msg.Result(),
+                title: "共享主机", content: msg.Result(),
                 button: ["close"], duration: -1, width: -100,
             })
         })
     },
+    "共享工具": function(event, can, button, river, storm) {
+        can.user.select(event, can, "plugin", "name,context,command,argument", function(item, next) {
+            can.user.share(can, can.request(event), [river, "action", "share", "type", "field",
+                can._RIVER, item[1], can._STORM, item[2],
+                "name", item[0], "text", item[3],
+            ])
+        })
+    },
 
     "创建空间": function(event, can, button, river, storm) {
         can.user.input(event, {__proto__: can, run: function(event, cmds, cb, silent) {
@@ -268,7 +285,7 @@ Volcanos("onexport", {help: "导出数据", list: [],
                 can.core.List(fields, function(key) {
                     switch (key) {
                         case "ctx": msg.Push(key, "web.chat"); break
-                        case "cmd": msg.Push(key, "storm"); break
+                        case "cmd": msg.Push(key, can._STORM); break
                         case "type": msg.Push(key, river); break
                         case "name": msg.Push(key, storm); break
                         case "text":
diff --git a/panel/Search.js b/panel/Search.js
index 208ce19f..e932cba3 100644
--- a/panel/Search.js
+++ b/panel/Search.js
@@ -9,17 +9,17 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
                 }
             }]},
             {view: "content"}, {view: ["display", "table"]}, {view: "preview"},
-        ]), typeof cb == "function" && cb(msg)
+        ]), can.base.isFunc(cb) && cb(msg)
         can.page.ClassList.add(can, can.ui.display, "content")
     },
     _table: function(can, msg, fields) { can.onmotion.clear(can, can.ui.content)
         var table = can.onappend.table(can, msg, function(value, key, index, line) { can.Status("count", index+1)
-            return {text: [key == "text" && typeof line.text == "function" && line.text.help || value, "td"], onclick: function(event) {
+            return {text: [key == "text" && can.base.isFunc(line.text) && line.text.help || value, "td"], onclick: function(event) {
                 if (event.shiftKey) { event.stopPropagation(), event.preventDefault()
                     return can.onappend.plugin(can, {index: line.ctx? line.ctx+"."+line.cmd: msg.Option("index"), option: line}, function(sub, meta) {
                         sub.run = function(event, cmds, cb) { var msg = can.request(event, line)
                             can.run(event, ["action", "command", "run", meta.index].concat(cmds), function(msg) {
-                                typeof cb == "function" && cb(msg)
+                                can.base.isFunc(cb) && cb(msg)
                             })
                         }
                     }, can.ui.preview)
@@ -48,7 +48,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
     select: function(can, msg, cmds, cb) { can.ui.word.value = cmds[1]
         var fields = (cmds[2]||msg.Option("fields")||"ctx,cmd,type,name,text").split(",")
         can.page.Appends(can, can.ui.display, [{th: fields}]), can.cb = function() {
-            typeof cb == "function" && cb(can.onexport.select(can)), can.onmotion.hide(can)
+            can.base.isFunc(cb) && cb(can.onexport.select(can)), can.onmotion.hide(can)
         }
 
         can.input = function(event, word) { cmds[1] = word
@@ -69,12 +69,12 @@ Volcanos("onaction", {help: "交互操作", list: ["关闭", "清空", "完成"]
     },
     "关闭": function(event, can) { can.onmotion.hide(can) },
     "清空": function(event, can) { can.onmotion.clear(can, can.ui.display),  can.onmotion.clear(can, can.ui.preview) },
-    "完成": function(event, can) { typeof can.cb == "function" && can.cb() },
+    "完成": function(event, can) { can.base.isFunc(can.cb) && can.cb() },
 
     select: function(event, can, index) {
         if (can.list && can.list[index]) {
             var text = can.list[index].text || ""
-            if (typeof text == "function") {
+            if (can.base.isFunc(text)) {
                 can.list[index].text(event)
             } else { var line = can.list[index]
                 var fields = can.page.Select(can, can.ui.display, "th", function(item) { return item.innerText })
diff --git a/plugin/input.js b/plugin/input.js
index a89313f0..e3a3ac34 100644
--- a/plugin/input.js
+++ b/plugin/input.js
@@ -2,7 +2,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, meta,
     },
 })
 Volcanos("onaction", {help: "控件交互", list: [], _init: function(can, meta, list, cb, target) {
-        typeof cb == "function" && cb(); switch (meta.type) {
+        can.base.isFunc(cb) && cb(); switch (meta.type) {
             case "textarea":
             case "text":
                 !target.placeholder && (target.placeholder = can.user.trans(can, meta.name) || "")
diff --git a/plugin/local/chat/media.js b/plugin/local/chat/media.js
index 4566f2a5..93ed06b5 100644
--- a/plugin/local/chat/media.js
+++ b/plugin/local/chat/media.js
@@ -11,7 +11,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         }, can.ui.content)
 
         can.onappend.board(can, msg.Result(), can.ui.display)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
     },
 })
 Volcanos("onaction", {help: "操作数据", list: [], _init: function(can, msg, list, cb, target) {
diff --git a/plugin/local/code/inner.js b/plugin/local/code/inner.js
index 43f69a05..f199fce1 100644
--- a/plugin/local/code/inner.js
+++ b/plugin/local/code/inner.js
@@ -11,7 +11,7 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, list, cb,
 
         can.onimport.tabview(can, msg.Option("path"), msg.Option("file"), msg.Option("line")||1)
         can.onimport.project(can, msg.Option("path"))
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
     },
     _content: function(can, target) {
         var height = can.Conf("height")-320; height < 240 && (height = 240)
@@ -54,7 +54,7 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, list, cb,
                 } }
 
                 can.run(event, ["action", "favor"].concat(cmds), function(msg) {
-                    typeof cb == "function" && cb(msg)
+                    can.base.isFunc(cb) && cb(msg)
                     can.core.Timer(10, function() {
                         can.onappend._action(sub, ["关闭"], sub._action, {
                             "关闭": function(event) { can.onmotion.hidden(sub, sub._target) },
@@ -83,7 +83,7 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, list, cb,
 
             can.Option({path: path, file: file, line: line||parseInt(can._msg.Option("line"))||1})
             can._msg.Option("line", can.Option("line"))
-            return can.onsyntax._init(can, can._msg), typeof cb == "function" && cb()
+            return can.onsyntax._init(can, can._msg), can.base.isFunc(cb) && cb()
         }
 
         can.run({}, [path, file], function(msg) {
diff --git a/plugin/local/code/vimer.js b/plugin/local/code/vimer.js
index 049789f5..ee3391f8 100644
--- a/plugin/local/code/vimer.js
+++ b/plugin/local/code/vimer.js
@@ -3,7 +3,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
             can.onimport.inner_init(can, msg, list, function() {
                 can.onimport._input(can), can.onimport._output(can)
                 can.keylist = [], can.onkeymap._init(can, "insert")
-                typeof cb == "function" && cb(msg)
+                can.base.isFunc(cb) && cb(msg)
             }, target)
         }, function(can, name, sub) {
             sub._name == "onimport" && (can.onimport.inner_init = sub._init)
@@ -116,12 +116,12 @@ Volcanos("onkeymap", {help: "键盘交互", list: ["command", "normal", "insert"
         }
 
         var p = can.onsyntax[can.parse]
-        var cb = (p && p.keymap || can.onkeymap[can.mode])[event.key]; if (typeof cb == "function") {
+        var cb = (p && p.keymap || can.onkeymap[can.mode])[event.key]; if (can.base.isFunc(cb)) {
             return repeat(cb, can.count)
         }
 
         var map = can.onkeymap[can.mode]._engine; for (var i = can.keylist.length-1; i > pre-1; i--) {
-            var cb = map[can.keylist[i]]; if (typeof cb == "function") {
+            var cb = map[can.keylist[i]]; if (can.base.isFunc(cb)) {
                 return repeat(cb, can.count)
             }; if (typeof cb == "object") { map = cb; continue }; break
         }
@@ -137,7 +137,7 @@ Volcanos("onkeymap", {help: "键盘交互", list: ["command", "normal", "insert"
 
             can.onmotion.clear(can, can.ui.output)
             var ls = can.core.Split(line, " ", ",")
-            var cb = can.onkeymap._engine[ls[0]]; if (typeof cb == "function") {
+            var cb = can.onkeymap._engine[ls[0]]; if (can.base.isFunc(cb)) {
                 can.onmotion.hidden(can, can.ui.display)
                 can.onkeymap._normal(can)
                 cb(event, can, line, ls)
diff --git a/plugin/local/team/plan.js b/plugin/local/team/plan.js
index 6410ca29..9a12fd6d 100644
--- a/plugin/local/team/plan.js
+++ b/plugin/local/team/plan.js
@@ -1,7 +1,7 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
         can.onmotion.clear(can, target)
         can.ui = can.onlayout.profile(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
         can.onmotion.hidden(can, can._action)
         can.onimport[can.Option("scale")||"week"](can, msg)
         can.page.Modify(can, can.ui.profile, {style: {display: "block"}})
@@ -88,7 +88,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
             sub.run = function(event, cmds, cb) {
                 var msg = can.request(event, {"task.zone": task.zone, "task.id": task.id})
                 can.run(event, ["action", "command", "run", meta.index].concat(cmds), function(msg) {
-                    typeof cb == "function" && cb(msg)
+                    can.base.isFunc(cb) && cb(msg)
                 }, true)
             }
         }, can.ui.display)
diff --git a/plugin/local/wiki/data.js b/plugin/local/wiki/data.js
index e3b04b04..bcb2e2ed 100644
--- a/plugin/local/wiki/data.js
+++ b/plugin/local/wiki/data.js
@@ -1,6 +1,6 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb) {
         can.ui = can.onlayout.display(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
 
         can.table = can.onappend.table(can, msg, function(value, key, index, line) {
             return {text: [value, "td"], oncontextmenu: function(event) {
diff --git a/plugin/local/wiki/draw.js b/plugin/local/wiki/draw.js
index cf08bb09..dac1de4b 100644
--- a/plugin/local/wiki/draw.js
+++ b/plugin/local/wiki/draw.js
@@ -3,7 +3,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         can.onkeypop._build(can)
         can.onmotion.hidden(can, can._action)
         can.ui = can.onlayout.profile(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
 
         // 交互数据
         can.svg = null, can.group = null
@@ -50,7 +50,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
 
             var figure = can.onfigure._get(can, target)
             key = figure && figure.data && figure.data.size && figure.data.size[key] || key
-            if (figure && figure.data && typeof figure.data[key] == "function") {
+            if (figure && figure.data && can.base.isFunc(figure.data[key])) {
                 return figure.data[key](can, value, key, target)
             }
 
diff --git a/plugin/local/wiki/draw/walk_trash.js b/plugin/local/wiki/draw/walk_trash.js
index 924fbfd7..7b73e601 100644
--- a/plugin/local/wiki/draw/walk_trash.js
+++ b/plugin/local/wiki/draw/walk_trash.js
@@ -14,7 +14,7 @@ Volcanos("onimport", {help: "导入数据", list: [],
                 case "TR":
                 case "TABLE":
             }}
-            return typeof cb == "function" && cb(msg), table;
+            return can.base.isFunc(cb) && cb(msg), table;
         }
 
         // can.page.Append(can, action, [{type: "script", src: "https://cdn.bootcss.com/echarts/4.2.0-rc.2/echarts.js"}]);
diff --git a/plugin/local/wiki/feel.js b/plugin/local/wiki/feel.js
index b18bf90c..8585c3b7 100644
--- a/plugin/local/wiki/feel.js
+++ b/plugin/local/wiki/feel.js
@@ -7,7 +7,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
         can.onmotion.hidden(can, can._action)
         can.ui = can.onlayout.display(can, target)
         can.onappend.table(can, can.path, null, can.ui.content)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
 
         var feature = can.Conf("feature") || {}
         can.Action("倍速", can.rate = parseInt(msg.Option("rate"))||feature["rate"]||1)
@@ -25,7 +25,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
     },
     file: function(can, path, index) { path = can.onimport._file(can, path, index)
         var cb = can.onfigure[can.base.Ext(path)]; can.Status("file", path)
-        typeof cb == "function" && can.page.Append(can, can.ui.content, [cb(can, path, index)])
+        can.base.isFunc(cb) && can.page.Append(can, can.ui.content, [cb(can, path, index)])
     },
 }, ["/plugin/local/wiki/feel.css"])
 Volcanos("onfigure", {help: "组件菜单", list: [],
diff --git a/plugin/local/wiki/word.js b/plugin/local/wiki/word.js
index 26a5c593..04016652 100644
--- a/plugin/local/wiki/word.js
+++ b/plugin/local/wiki/word.js
@@ -1,6 +1,6 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
         can.onmotion.clear(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
         if (msg.Length() > 0) { return can.onappend.table(can, msg) }
 
         can.page.Modify(can, target, msg.Result())
diff --git a/plugin/story/spide.js b/plugin/story/spide.js
index 945dee0c..93ec822b 100644
--- a/plugin/story/spide.js
+++ b/plugin/story/spide.js
@@ -1,16 +1,17 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
         can.onmotion.clear(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
         if (msg.Option("branch")) { return can.onappend.table(can, msg) }
 
         can.dir_root = msg.Option("dir_root")
         can._tree = can.onimport._tree(can, msg.Table(), "path", "/")
+        if (!can._tree[""]) { return }
         can._tree[""].name = can.dir_root.split("/").pop()
 
         can.size = 30, can.margin = 30
         can.onappend.plugins(can, {index: "web.wiki.draw"}, function(sub) {
             sub.run = function(event, cmds, cb) { sub.Action("go", "run")
-                typeof cb == "function" && cb(sub.request())
+                can.base.isFunc(cb) && cb(sub.request())
 
                 can.core.Timer(100, function() { can.draw = sub._outputs[0]
                     can.draw.onmotion.hidden(can.draw, can.draw.ui.project)
@@ -82,7 +83,7 @@ Volcanos("onaction", {help: "用户操作", list: ["编辑", ["view", "横向",
         if (x+tree.width > can.width) { can.width = x+tree.width }
 
         can.core.Item(can.ondetail, function(key, value) {
-            if (key.indexOf("on") == 0 && typeof value == "function") {
+            if (key.indexOf("on") == 0 && can.base.isFunc(value)) {
                 tree.view[key] = function(event) { value(event, can, tree) }
             }
         })
diff --git a/plugin/story/trend.js b/plugin/story/trend.js
index 1c708e39..11b6b328 100644
--- a/plugin/story/trend.js
+++ b/plugin/story/trend.js
@@ -1,6 +1,6 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
         can.onmotion.clear(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
         if (msg.Option("branch")) { return can.onappend.table(can, msg) }
 
         can.msg = msg, can.data = msg.Table(), can.onimport._sum(can)
@@ -9,7 +9,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
 
         can.onappend.plugins(can, {index: "web.wiki.draw"}, function(sub) {
             sub.run = function(event, cmds, cb) { sub.Action("go", "run")
-                typeof cb == "function" && cb(sub.request())
+                can.base.isFunc(cb) && cb(sub.request())
 
                 can.core.Timer(100, function() { can.draw = sub._outputs[0]
                     can.draw.onmotion.hidden(can.draw, can.draw.ui.project)
@@ -90,7 +90,7 @@ Volcanos("onaction", {help: "组件菜单", list: ["编辑", ["view", "趋势图
             })
 
             can.core.Item(can.ondetail, function(key, value) {
-                if (key.indexOf("on") == 0 && typeof value == "function") {
+                if (key.indexOf("on") == 0 && can.base.isFunc(value)) {
                     line.view[key] = function(event) { value(event, can, line) }
                 }
             })
@@ -140,7 +140,7 @@ Volcanos("onaction", {help: "组件菜单", list: ["编辑", ["view", "趋势图
                 })
 
                 can.core.Item(can.ondetail, function(key, value) {
-                    if (key.indexOf("on") == 0 && typeof value == "function") {
+                    if (key.indexOf("on") == 0 && can.base.isFunc(value)) {
                         line.view[key] = function(event) { value(event, can, line) }
                     }
                 })
diff --git a/plugin/table.js b/plugin/table.js
index e644521b..80d9666e 100644
--- a/plugin/table.js
+++ b/plugin/table.js
@@ -1,9 +1,9 @@
 Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
-        if (can.sup.onimport._process(can.sup, msg)) { return typeof cb == "function" && cb(can, msg) }
-        if (can.onimport._process(can, msg)) { return typeof cb == "function" && cb(can, msg) }
+        if (can.sup.onimport._process(can.sup, msg)) { return can.base.isFunc(cb) && cb(can, msg) }
+        if (can.onimport._process(can, msg)) { return can.base.isFunc(cb) && cb(can, msg) }
 
         can.onmotion.clear(can)
-        typeof cb == "function" && cb(msg)
+        can.base.isFunc(cb) && cb(msg)
 
         can.page.Append(can, target, [can.onimport._control(can, msg)])
         can.onappend.table(can, msg, function(value, key, index, line, array) {
@@ -32,7 +32,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
 
     _process: function(can, msg) {
         var cb = can.onimport[msg.Option("_process")]
-        return typeof cb == "function" && cb(can, msg)
+        return can.base.isFunc(cb) && cb(can, msg)
     },
     _follow: function(can, msg) {
         if (msg.Option("cache.status") == "stop") { return can.user.toast(can, msg.Option("cache.action")+" done!")}
@@ -64,7 +64,7 @@ Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg,
 
     _control: function(can, msg) {
         var cb = can.onimport[msg.Option("_control")]
-        return typeof cb == "function" && cb(can, msg)
+        return can.base.isFunc(cb) && cb(can, msg)
     },
     _page: function(can, msg) { var ui = {}
         return {view: ["control", "div"], list: [
diff --git a/proto.js b/proto.js
index b1f25c2b..3842585c 100644
--- a/proto.js
+++ b/proto.js
@@ -64,9 +64,14 @@ var Volcanos = shy("火山架", {args: {}, pack: {}, libs: [], cache: {}}, [], f
             event._msg = event._msg || can.misc.Message(event, can)
 
             can.core.List(arguments, function(option, index) {
-                index > 0 && can.core.Item(typeof option == "function"? option(): option, event._msg.Option)
+                index > 0 && can.core.Item(can.base.isFunc(option)? option(): option, event._msg.Option)
             }); return event._msg
         },
+        const: function() {
+            can.core.List(arguments, function(v) {
+                can["_"+v.toUpperCase()] = v
+            })
+        },
         Conf: function(key, value) { return can.core.Value(can._conf, key, value) }, _conf: {},
     }; can = can || {}; for (var k in proto) { can.hasOwnProperty(k) || (can[k] = proto[k]) }
 
diff --git a/publish/chrome/chrome.js b/publish/chrome/chrome.js
index 7d2976b5..e2909e1a 100644
--- a/publish/chrome/chrome.js
+++ b/publish/chrome/chrome.js
@@ -5,7 +5,7 @@ Volcanos("chrome", {
                 can.core.List(wins, function(win) { win.wid = win.id
                     msg.Push(win, ["wid", "state", "left", "top", "width", "height"])
                 })
-                typeof cb == "function" && cb(msg)
+                can.base.isFunc(cb) && cb(msg)
             })
             return
         }
@@ -14,7 +14,7 @@ Volcanos("chrome", {
                 can.core.List(tabs, function(tab) { tab.tid = tab.id
                     msg.Push(tab, ["tid", "active", "width", "height", "index", "title", "url"])
                 })
-                typeof cb == "function" && cb(msg)
+                can.base.isFunc(cb) && cb(msg)
             })
             return
         }
@@ -22,12 +22,12 @@ Volcanos("chrome", {
         if (cmds[1] == "") { // 当前标签
             chrome.tabs.query({currentWindow: true, active: true}, function(tabs) { cmds[1] = tabs[0].id
                 chrome.tabs.sendMessage(parseInt(cmds[1]), msg, function(res) {
-                    msg.Copy(res), typeof cb == "function" && cb(msg)
+                    msg.Copy(res), can.base.isFunc(cb) && cb(msg)
                 })
             })
         } else {
             chrome.tabs.sendMessage(parseInt(cmds[1]), msg, function(res) {
-                msg.Copy(res), typeof cb == "function" && cb(msg)
+                msg.Copy(res), can.base.isFunc(cb) && cb(msg)
             })
         }
     },
@@ -38,7 +38,7 @@ Volcanos("chrome", {
                 msg.Push(labs[i], ["pid", "id", "index", "title", "url"])
                 labs = labs.concat(labs[i].children||[])
             }
-            typeof cb == "function" && cb(msg)
+            can.base.isFunc(cb) && cb(msg)
         })
     },
 }, ["/lib/base.js", "/lib/core.js", "/lib/misc.js", "/lib/page.js", "/lib/user.js"], function(can) {
diff --git a/publish/client/mp/app.js b/publish/client/mp/app.js
index 334e36ba..17a1ccf4 100644
--- a/publish/client/mp/app.js
+++ b/publish/client/mp/app.js
@@ -3,7 +3,7 @@ const kit = require("utils/kit.js")
 App({
     data: {}, conf: {serve: "https://shylinux.com/chat", space: ""},
     requests: function(cmd, data, cb) { wx.showLoading()
-        this.request(cmd, data, function(msg) { wx.hideLoading(), typeof cb == "function" && cb(msg) })
+        this.request(cmd, data, function(msg) { wx.hideLoading(), can.base.isFunc(cb) && cb(msg) })
     },
     request: function(cmd, data, cb) { var app = this; data.sessid = app.conf.sessid, data.pod = app.conf.space
         wx.request({method: "POST", url: app.conf.serve+"/"+cmd, data: data, success: function(res) { var msg = res.data
@@ -22,7 +22,7 @@ App({
                         var line = {}; kit.List(msg.key, function(key, index) {
                             line[key] = msg.value[index]
                         })
-                        typeof cb == "function" && cb(line, 0, 1)
+                        can.base.isFunc(cb) && cb(line, 0, 1)
                         return res.push(line), res
                     }
 
diff --git a/publish/client/mp/pages/action/action.js b/publish/client/mp/pages/action/action.js
index 3ad10595..facb89cb 100644
--- a/publish/client/mp/pages/action/action.js
+++ b/publish/client/mp/pages/action/action.js
@@ -74,7 +74,7 @@ Page({
         var option = event._option||{}; option.cmds = cmds
         app.requests("action?="+field.name, option, function(msg) {
             field.msg = msg, page.setData({list: page.data.list})
-            typeof cb == "function" && cb(msg)
+            can.base.isFunc(cb) && cb(msg)
         })
     },
     onInput: function(event) { var page = this, data = event.target.dataset
@@ -106,7 +106,7 @@ Page({
             case "刷新": // 执行命令
             case "查看": page.run(event, data.order); break
             default:
-                var cb = page.plugin[input.name]; typeof cb == "function"? cb(event, page, data.order, input.name):
+                var cb = page.plugin[input.name]; can.base.isFunc(cb)? cb(event, page, data.order, input.name):
                     page.run(event, data.order, ["action", input.name].concat(kit.List(field.inputs, function(input) {
                         if (input._input != "button") { return input.value }
                     })))
@@ -124,7 +124,7 @@ Page({
             }
             event._option = option
 
-            var cb = page.plugin[input.name]; typeof cb == "function"? cb(event, page, data.order, input.name):
+            var cb = page.plugin[input.name]; can.base.isFunc(cb)? cb(event, page, data.order, input.name):
                 page.run(event, data.order, ["action", input.name])
             return
         }
diff --git a/publish/client/mp/utils/kit.js b/publish/client/mp/utils/kit.js
index dbb87f94..e0fdcdc8 100644
--- a/publish/client/mp/utils/kit.js
+++ b/publish/client/mp/utils/kit.js
@@ -51,9 +51,9 @@ module.exports = {
     },
     List: function(list, cb, cbs) {var res = [], val;
         for (var i = 0; i < list.length; i++) {
-            typeof cb == "function"? (val = cb(list[i], i, list)) != undefined && res.push(val): res.push(list[i])
+            can.base.isFunc(cb)? (val = cb(list[i], i, list)) != undefined && res.push(val): res.push(list[i])
         }
-        return typeof cbs == "function" && cbs(res), res
+        return can.base.isFunc(cbs) && cbs(res), res
     },
     Item: function(list, cb, cbs) {
         for (var k in list) { cb(k, list[k]) }
@@ -93,10 +93,10 @@ module.exports = {
         interval = typeof interval == "object"? interval || []: [interval]
         var timer = {stop: false}; function loop(timer, i) {
             if (timer.stop || i >= interval.length && interval.length >= 0) {
-                return typeof cbs == "function" && cbs(timer, interval)
+                return can.base.isFunc(cbs) && cbs(timer, interval)
             }
-            return typeof cb == "function" && cb(timer, interval.interval||interval[i], i, interval)?
-                typeof cbs == "function" && cbs(timer, interval): setTimeout(function() { loop(timer, i+1) }, interval.interval||interval[i+1])
+            return can.base.isFunc(cb) && cb(timer, interval.interval||interval[i], i, interval)?
+                can.base.isFunc(cbs) && cbs(timer, interval): setTimeout(function() { loop(timer, i+1) }, interval.interval||interval[i+1])
         }
         setTimeout(function() { loop(timer, 0) }, interval.interval||interval[0])
         return timer