diff --git a/plugin/input/key.js b/plugin/input/key.js
index 76281290..94aee988 100644
--- a/plugin/input/key.js
+++ b/plugin/input/key.js
@@ -50,7 +50,7 @@ Volcanos("onfigure", {help: "控件详情", list: [], key: {
         can.onfigure.key._show(can, meta, cbs, target)
     }) },
     onkeydown: function(event, can, meta, cb, target, last) {
-        if (target._figure) { can = target._can
+        if (target._figure) { if (!(can = target._can)) { return }
             if (event.ctrlKey) { can.onfigure.key._select(event, can, target) } else {
                 target._index = 0, target._value = ""
                 switch (event.key) { case lang.ENTER: can.close(); return }
diff --git a/plugin/local/code/inner.css b/plugin/local/code/inner.css
index c4ce8cb8..a25c6de4 100644
--- a/plugin/local/code/inner.css
+++ b/plugin/local/code/inner.css
@@ -117,7 +117,7 @@ fieldset.inner>div.output fieldset.toolkit>div.output>fieldset>legend {
 }
 fieldset.inner>div.output fieldset.toolkit>div.status>legend {
     float:right; padding:4px; cursor:pointer;
-    padding:4px 4px; border-right:solid 2px red;
+    padding:4px 4px; border-left:solid 2px red;
     background:#0d969f8a;
 }
 fieldset.inner>div.output fieldset.toolkit>div.status>legend.select {
@@ -128,7 +128,7 @@ fieldset.inner>div.output fieldset.toolkit>div.status>legend:hover {
 }
 fieldset.inner>div.output fieldset.toolkit>div.status>div.legend {
     float:right; padding:4px; cursor:pointer;
-    padding:4px 4px; border-right:solid 2px red;
+    padding:4px 4px; border-left:solid 2px red;
     background:#0d969f8a;
 }
 fieldset.inner>div.output fieldset.toolkit>div.status>div.legend.select {
@@ -137,19 +137,27 @@ fieldset.inner>div.output fieldset.toolkit>div.status>div.legend.select {
 fieldset.inner>div.output fieldset.toolkit>div.status>div.legend:hover {
     background:green;
 }
-fieldset.inner>div.docker {
-    position:absolute;
-    right:0;
-    bottom:0;
+fieldset.inner>div.status div.legend {
+    float:right; cursor:pointer;
+    padding:4px 4px; border-left:solid 2px red;
+    background:#0d969f8a;
+    height:19px;
 }
-fieldset.inner>div.docker div.legend {
-    float:right; padding:4px; cursor:pointer;
-    padding:4px 4px; border-right:solid 2px red;
-}
-fieldset.inner>div.docker div.legend.select {
+fieldset.inner>div.status div.legend.select {
     background:green;
 }
-fieldset.inner>div.docker div.legend:hover {
+fieldset.inner>div.status div.legend:hover {
+    background:green;
+}
+fieldset.inner>div.status legend {
+    float:right; padding:4px; cursor:pointer;
+    padding:4px 4px; border-left:solid 2px red;
+    background:#0d969f8a;
+}
+fieldset.inner>div.status legend.select {
+    background:green;
+}
+fieldset.inner>div.status legend:hover {
     background:green;
 }
 
diff --git a/plugin/local/code/inner.js b/plugin/local/code/inner.js
index fbc3bdd0..b3eea55f 100644
--- a/plugin/local/code/inner.js
+++ b/plugin/local/code/inner.js
@@ -1,6 +1,6 @@
 Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target) {
         can.tabview = can.tabview||{}, can.tabview[can.Option(nfs.PATH)+":"+can.Option(nfs.FILE)] = msg
-        can.history = can.history||[], can.toolkit = {}
+        can.history = can.history||[], can.toolkit = {}, can.plugins = {}
 
         can.onmotion.clear(can), can.onlayout.profile(can)
         can.onimport._project(can, can.ui.project)
@@ -10,8 +10,7 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target
 
         can.onimport.tabview(can, can.Option(nfs.PATH), can.Option(nfs.FILE), can.Option(nfs.LINE))
         can.onimport.project(can, can.Option(nfs.PATH), function() {
-            can.onimport._toolkit(can, can.ui.toolkit), can.onimport._session(can, msg)
-            can.onimport._keydown(can)
+            can.onimport._toolkit(can, can.ui.toolkit), can.onimport._session(can, msg), can.onimport._keydown(can)
         })
     },
     _project: function(can, target) {
@@ -58,7 +57,9 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target
         can.user.mod.isCmd && can.onengine.listen(can, chat.ONKEYDOWN, function(event) {
             var cb = can.onaction[kit.Dict(
                 "r", "执行", "v", "展示", "s", "保存",
-                "t", "添加", "f", "打开", "p", "插件", lang.ESCAPE, "清屏",
+                "f", "打开", "t", "添加",
+                "e", "扩展", "p", "插件",
+                lang.ESCAPE, "清屏",
             )[event.key]]; can.base.isFunc(cb) && cb(event, can)
         })
     },
@@ -79,19 +80,15 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target
             return can._msg.Option(can.Option()), can.onsyntax._init(can, can._msg, cb)
         }
 
-        if (line == ctx.INDEX) { var msg = can.request({}, {index: file, line: line}); can.tabview[key] = msg
+        function show(msg) { can.tabview[key] = msg
             msg._tab = can.onappend.tabs(can, [{name: file.split(ice.PS).pop(), text: file}], function(event, meta) {
                 can.onimport.tabview(can, path, file, "", cb), cb = null
             }, function(item) { delete(can.tabview[key]) })
-            return
         }
 
         can.Option({path: path, file: file, line: line||1})
-        can.run({}, [path, file], function(msg) { can.tabview[key] = msg
-            msg._tab = can.onappend.tabs(can, [{name: file.split(ice.PS).pop(), text: file}], function(event, meta) {
-                can.onimport.tabview(can, path, file, "", cb), cb = null
-            }, function(item) { delete(can.tabview[key]) })
-        }, true)
+        line == ctx.INDEX? show(can.request({}, {index: file, line: line})):
+            can.run({}, [path, file], show, true)
     },
     profile: function(can, msg) {
         if (msg) {
@@ -114,27 +111,26 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target
         can.onimport.plugin(can, meta, can.ui.toolkit.output, function(sub) {
             sub.Conf(html.HEIGHT, can.Conf(html.HEIGHT)-4*html.ACTION_HEIGHT, html.WIDTH, can.Conf(html.WIDTH))
             sub.page.style(sub, sub._output, html.MAX_HEIGHT, sub.Conf(html.HEIGHT))
-            sub.page.style(sub, sub._output, html.MAX_WIDTH, sub.Conf(html.WIDTH))
+            sub.page.style(sub, sub._output, html.MAX_WIDTH, sub.Conf(html.WIDTH));
 
-            can.ui.toolkit.status.appendChild(sub._legend), sub._legend.onclick = function(event) {
-                if (can.page.Select(can, can.ui.toolkit.status, ice.PT+html.SELECT)[0] == event.target) {
+            var status = can.user.mod.isCmd? can._status: can.ui.toolkit.status
+            status.appendChild(sub._legend), sub._legend.onclick = function(event) {
+                if (can.page.Select(can, status, ice.PT+html.SELECT)[0] == event.target) {
                     can.page.ClassList.del(can, event.target, html.SELECT)
                     can.page.ClassList.del(can, sub._target, html.SELECT)
                     return
                 }
-                can.onmotion.select(can, can.ui.toolkit.status, html.DIV_LEGEND, event.target)
+                can.onmotion.select(can, status, html.DIV_LEGEND, event.target)
                 can.onmotion.select(can, can.ui.toolkit.output, html.FIELDSET, sub._target)
                 can.page.Select(can, sub._option, html.OPTION_ARGS)[0].focus()
-            }
-            can.base.isFunc(cb) && cb(sub)
+            }, can.base.isFunc(cb) && cb(sub)
         })
     },
     plugin: function(can, meta, target, cb) {
         can.onappend.plugin(can, meta, function(sub) {
             sub.run = function(event, cmds, cb) {
                 can.run(event, [ctx.ACTION, ice.RUN, meta.index].concat(cmds), cb, true)
-            }
-            can.base.isFunc(cb) && cb(sub)
+            }, can.base.isFunc(cb) && cb(sub)
         }, target)
     },
     layout: function(can) { var height = can.Conf(html.HEIGHT), width = can.Conf(html.WIDTH)
@@ -148,13 +144,14 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, msg, cb, target
         can.page.style(can, can.ui.content, html.WIDTH, width-can.ui.project.offsetWidth-can.ui.profile.offsetWidth-25)
         can.page.style(can, can.ui.profile_output, html.HEIGHT, can.ui.content.offsetHeight-html.ACTION_HEIGHT)
     },
+    plug: function(can, url, cb) {
+        can.require([url], function() {}, function(can, name, sub) { sub._init(can, can.base.ParseURL(sub._path), cb) })
+    },
     sess: function(can, sess, cb) { sess = sess||can.base.Obj(localStorage.getItem("web.code.inner.sess"), {})
         can.core.Next(sess.tool, function(item, next) {
             can.onimport.toolkit(can, {index: item}, function(sub) { can.toolkit[item] = sub, next() })
         }, function() {
-            can.core.Next(sess.plug, function(item, next) {
-                can.require([item], function() {}, function(can, name, sub) { sub._init(can, can.base.ParseURL(sub._path), next) })
-            }, function() {
+            can.core.Next(sess.plug, function(item, next) { can.onimport.plug(can, item, next) }, function() {
                 can.core.Next(sess.tabs, function(item, next) { var ls = item.split(":")
                     can.onimport.tabview(can, ls[0], ls[1], ls[2], next)
                 }, cb)
@@ -169,11 +166,9 @@ Volcanos("onsyntax", {help: "语法高亮", list: ["keyword", "prefix", "line"],
             var p = cache_data[can.file]; p && (can.current = p.current, can.max = p.max)
             can.parse = can.base.Ext(can.file), can.Status("模式", "normal")
             can.onmotion.select(can, can._action, chat.DIV_TABS, msg._tab)
-            if (msg.Option(ctx.INDEX)) {
-                can.core.Timer(100, function() {
-                    var input = can.page.Select(can, can.ui.content, html.OPTION_ARGS)[0]; input && input.focus()
-                })
-            }
+            msg.Option(ctx.INDEX) && can.core.Timer(100, function() {
+                var input = can.page.Select(can, can.ui.content, html.OPTION_ARGS)[0]; input && input.focus()
+            })
             return can.file
         }, can.ui.content, can.ui.profile_output, can.ui.display_output)) {
             return can.onaction.selectLine(can, msg.Option(nfs.LINE)), can.base.isFunc(cb) && cb()
@@ -183,8 +178,7 @@ Volcanos("onsyntax", {help: "语法高亮", list: ["keyword", "prefix", "line"],
             can.onimport.plugin(can, {index: msg.Option(ctx.INDEX)}, can.ui.content, function(sub) {
                 can.core.Timer(100, function() {
                     var input = can.page.Select(can, can.ui.content, html.OPTION_ARGS)[0]; input && input.focus()
-                })
-                can.base.isFunc(cb) && cb()
+                }), can.base.isFunc(cb) && cb()
             })
             return
         }
@@ -226,18 +220,18 @@ Volcanos("onsyntax", {help: "语法高亮", list: ["keyword", "prefix", "line"],
         return line
     },
 })
-Volcanos("onaction", {help: "控件交互", list: ["打开", "插件", "添加", "保存"],
+Volcanos("onaction", {help: "控件交互", list: ["打开", "添加", "扩展", "插件", "保存"],
     "打开": function(event, can) {
         can.user.input(event, can, [nfs.FILE], function(event, button, data, list, args) {
             can.onimport.tabview(can, can.Option(nfs.PATH), data.file)
         })
     },
-    "插件": function(event, can) {
+    "添加": function(event, can) {
         can.user.input(event, can, [ctx.INDEX], function(event, button, data, list, args) {
             can.onimport.tabview(can, can.Option(nfs.PATH), data.index, ctx.INDEX)
         })
     },
-    "添加": function(event, can) {
+    "扩展": function(event, can) {
         can.user.input(event, can, [ctx.INDEX], function(event, button, data, list, args) {
             var sub = can.toolkit[data.index]; if (sub) { sub._legend.click(); return }
             can.onimport.toolkit(can, data, function(sub) { can.toolkit[data.index] = sub
@@ -245,6 +239,13 @@ Volcanos("onaction", {help: "控件交互", list: ["打开", "插件", "添加",
             })
         })
     },
+    "插件": function(event, can) {
+        can.user.input(event, can, ["url"], function(event, button, data, list, args) {
+            can.onimport.plug(can, data.url, function(sub) { can.plugins[data.url] = sub
+                sub._legend.click(), sub.page.Select(sub, sub._target, html.OPTION_ARGS)[0].focus()
+            })
+        })
+    },
     "保存": function(event, can) { can.onexport.sess(can), can.user.toastSuccess(can) },
     "项目": function(event, can) { can.onmotion.toggle(can, can.ui.project), can.onimport.layout(can) },
     "工具": function(event, can) { can.onmotion.toggle(can, can.ui.toolkit.fieldset) },
@@ -351,18 +352,12 @@ Volcanos("onaction", {help: "控件交互", list: ["打开", "插件", "添加",
 Volcanos("onexport", {help: "导出数据", list: ["文件数", "解析器", "文件名", "当前行", "跳转数", "标签数"],
     sess: function(can) {
         localStorage.setItem("web.code.inner.sess", JSON.stringify({
-            "tool": can.onexport.tool(can),
-            "tabs": can.onexport.tabs(can),
+            "tabs": can.onexport.tabs(can), "tool": can.onexport.tool(can), "plug": can.onexport.plug(can),
         }))
     },
-    tool: function(can) {
-        return can.core.Item(can.toolkit)
-    },
-    tabs: function(can) {
-        return can.core.Item(can.tabview, function(key, msg) {
-            return key+":"+msg.Option(nfs.LINE)
-        })
-    },
+    tabs: function(can) { return can.core.Item(can.tabview, function(key, msg) { return key+":"+msg.Option(nfs.LINE) }) },
+    tool: function(can) { return can.core.Item(can.toolkit) },
+    plug: function(can) { return can.core.Item(can.plugins) },
     position: function(can, index, total) { total = total||can.max
         return (parseInt(index))+ice.PS+parseInt(total)+" = "+parseInt((index)*100/total)+"%"
     },
diff --git a/plugin/local/code/inner/favor.js b/plugin/local/code/inner/favor.js
index 66854359..e702964f 100644
--- a/plugin/local/code/inner/favor.js
+++ b/plugin/local/code/inner/favor.js
@@ -25,8 +25,7 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, args, cb) {
                     }}
                 }, sub._output), sub.onappend._status(sub, msg.Option(ice.MSG_STATUS)), can.Status("标签数", msg.Length())
             }, true)
-        }
-        can.base.isFunc(cb) && cb()
+        }, can.base.isFunc(cb) && cb(sub)
     })
 }})
 
diff --git a/plugin/local/code/inner/search.js b/plugin/local/code/inner/search.js
index 7bfb07b1..19b035ba 100644
--- a/plugin/local/code/inner/search.js
+++ b/plugin/local/code/inner/search.js
@@ -17,8 +17,8 @@ Volcanos("onimport", {help: "导入数据", _init: function(can, args, cb) { var
         },
         "last", function(cmds) { history.pop(), show(history.pop()) },
     )) }))
-can.onimport.toolkit(can, {index: "can.code.inner.search"}, function(sub) {
-    can.ui.search = sub, can.base.isFunc(cb) && cb()
-})
+    can.onimport.toolkit(can, {index: "can.code.inner.search"}, function(sub) {
+        can.ui.search = sub, can.base.isFunc(cb) && cb(sub)
+    })
 }})
 
diff --git a/plugin/local/code/inner/sess.js b/plugin/local/code/inner/sess.js
index fe9de37d..61a4a0a4 100644
--- a/plugin/local/code/inner/sess.js
+++ b/plugin/local/code/inner/sess.js
@@ -1,42 +1,22 @@
-Volcanos("onimport", {help: "导入数据", _init: function(can, args, cb) {
-    can.onimport.toolkit(can, {index: "web.code.sess"}, function(sub) {
+Volcanos("onimport", {help: "导入数据", _init: function(can, args, cb) { var SESS = "web.code.sess"
+    can.onimport.toolkit(can, {index: SESS}, function(sub) {
         sub.run = function(event, cmds, cb) { var msg = can.request(event)
             if (can.misc.runAction(can, msg, cmds, cb, kit.Dict(
-                "save", function(cmds) {
-                    can.run(event, [ctx.ACTION, ice.RUN, "web.code.sess"].concat([ctx.ACTION, mdb.CREATE,
-                        "tool", can.core.Item(can.toolkit).join(ice.FS),
-                        "tabs", can.core.Item(can.tabview).join(ice.FS),
+                nfs.SAVE, function(cmds) {
+                    can.run(event, [ctx.ACTION, ice.RUN, SESS].concat([ctx.ACTION, mdb.CREATE,
+                        "tool", JSON.stringify(can.onexport.tool(can)),
+                        "tabs", JSON.stringify(can.onexport.tabs(can)),
                     ]), cb, true)
                 },
-                "load", function(cmds) {
-                    can.core.List(can.core.Split(msg.Option("tabs")), function(item) {
-                        var ls = can.core.Split(item, ":"); can.onimport.tabview(can, ls[0], ls[1])
+                nfs.LOAD, function(cmds) {
+                    can.onimport.sess(can, {
+                        tool: JSON.parse(msg.Option("tool")),
+                        tabs: JSON.parse(msg.Option("tabs")),
                     })
-                    // var repos = can.base.trimSuffix(can.base.trimPrefix(can.Option(nfs.PATH), "usr/"), ice.PS)
-                    can.run({}, [ctx.ACTION, ctx.COMMAND].concat(can.core.Split(msg.Option("tool")).reverse()), function(msg) {
-                        can.core.Next(msg.Table(), function(item, next) {
-                            item.args = can.base.getValid(item.args, []), can.onimport.toolkit(can, item, next)
-                        })
-                    }, true)
-                },
-                mdb.INPUTS, function(cmds) {
-                    switch (cmds[0]) {
-                        case mdb.TYPE:
-                            msg.Push(cmds[0], "hi")
-                            break
-                        case mdb.NAME:
-                            msg.Push(cmds[0], "hi")
-                            break
-                        case mdb.TEXT:
-                            msg.Push(cmds[0], "hi")
-                            break
-                    }
-                    can.base.isFunc(cb) && cb(msg)
                 },
             ))) { return }
-            can.run(event, [ctx.ACTION, ice.RUN, "web.code.sess"].concat(cmds), cb, true)
-        }
-        can.base.isFunc(cb) && cb()
+            can.run(event, [ctx.ACTION, ice.RUN, SESS].concat(cmds), cb, true)
+        }, can.base.isFunc(cb) && cb(sub)
     })
 }})
 
diff --git a/proto.js b/proto.js
index d2bd8a9b..e99e8618 100644
--- a/proto.js
+++ b/proto.js
@@ -103,6 +103,7 @@ var nfs = {
     DIR: "dir", CAT: "cat", TRASH: "trash",
     DIR_ROOT: "dir_root",
     FIND: "find", GREP: "grep",
+    SAVE: "save", LOAD: "load",
 }
 var tcp = {
     HOST: "host", PORT: "port",