diff --git a/Makefile b/Makefile
index 9f7eba0..ae7cc75 100644
--- a/Makefile
+++ b/Makefile
@@ -19,13 +19,12 @@ coffees= 	src/core/core.coffee\
 
 
 
-packages = NotePad wTerm ActivityMonitor DummyApp Files
-services = PushNotification Spotlight Calendar
+packages = CoreServices NotePad wTerm ActivityMonitor DummyApp Files
 
-main:  build_coffees build_tags build_themes schemes libs build_services build_packages
+main:  build_coffees build_tags build_themes schemes libs  build_packages
 	- cp src/index.html $(BUILDDIR)/
 
-lite: build_coffee build_tag build_theme schemes  build_services build_packages
+lite: build_coffee build_tag build_theme schemes   build_packages
 #%.js: %.coffee
 #		coffee --compile $< 
 
@@ -33,6 +32,7 @@ build_coffees:
 	@echo "$(BLUE)Building coffee files$(NC)"
 	- mkdir $(BUILDDIR)/scripts
 	- rm $(BUILDDIR)/scripts/antos.js
+	- rm $(BUILDDIR)/scripts/antos.coffee
 	for f in $(coffees); do (cat "$${f}"; echo) >> $(BUILDDIR)/scripts/antos.coffee; done
 	coffee --compile $(BUILDDIR)/scripts/antos.coffee
 	- rm $(BUILDDIR)/scripts/antos.coffee
@@ -70,11 +70,6 @@ antos_themes_build:
 	cp src/themes/antos/wp.png $(BUILDDIR)/resources/themes/antos/
 
 
-build_services:
-	@echo "$(BLUE)Building services$(NC)"
-	-mkdir -p $(BUILDDIR)/services
-	-rm -rf $(BUILDDIR)/services/*
-	for f in $(services); do (coffee -cs < "src/services/$$f.coffee" >$(BUILDDIR)/services/"$$f.js");done
 build_packages:
 	- mkdir $(BUILDDIR)/packages
 	- for d in $(packages); do ( test -d $(BUILDDIR)/packages/$$d && rm -rf $(BUILDDIR)/packages/$$d/* ); done
diff --git a/src/core/BaseModel.coffee b/src/core/BaseModel.coffee
index dd142f2..9a01462 100644
--- a/src/core/BaseModel.coffee
+++ b/src/core/BaseModel.coffee
@@ -8,6 +8,13 @@ class BaseModel
         _OS.setting.applications[@name] = {} if not _OS.setting.applications[@name]
         @setting = _OS.setting.applications[@name]
         @dialog = undefined
+        @subscribe "appregistry"
+            ,(m)->
+                me.applySetting m.data.m if (m.name is me.name)
+
+    registry: (k,v) ->
+        @setting[k] = v
+        @publish "appregistry",k
 
     render: (p) ->
         _GUI.loadScheme p, @, @host
@@ -24,12 +31,14 @@ class BaseModel
         #implement by sub class
     onexit: (e) ->
         #implement by subclass
+    applySetting: (k) ->
     one: (e, f) -> @observable.one e, f
     on: (e, f) -> @observable.on e, f
 
     trigger: (e, d) -> @observable.trigger e, d
 
-    subscribe: (e, f) -> _courrier.on e, f, @
+    subscribe: (e, f) -> 
+        _courrier.on e, f, @
 
     openDialog: (d, f, data) ->
         if @dialog
diff --git a/src/core/gui.coffee b/src/core/gui.coffee
index 5babe75..a624c9e 100644
--- a/src/core/gui.coffee
+++ b/src/core/gui.coffee
@@ -36,48 +36,58 @@ self.OS.GUI =
         srvs.splice 0, 1
         f i for i in srvs
 
-    pushService: (srv) ->
+    pushService: (ph) ->
+        arr = ph.split "/"
+        srv = arr[1]
+        app = arr[0]
         return _PM.createProcess srv, _OS.APP[srv] if _OS.APP[srv]
-        path = "services/#{srv}.js"
-        _API.script path,
-            (d) ->
-                _PM.createProcess srv, _OS.APP[srv]
-            , (e, s) ->
+        _GUI.loadApp app,
+            (a)->
+                return _PM.createProcess srv, _OS.APP[srv] if _OS.APP[srv]
+            (e, s) ->
                 _courrier.trigger "srvroutineready", srv
                 _courrier.osfail "Cannot read service script: #{srv} ", e, s
-    
+
     forceLaunch: (app, args) ->
         console.log "This method is used for developing only, please use the launch method instead"
         _PM.killAll app
         _OS.APP[app] = undefined
         _GUI.launch app, args
 
+    loadApp:(app, ok, err) ->
+        path = "packages/#{app}/"
+        _API.script path + "main.js",
+            (d) ->
+                #load css file
+                _API.get "#{path}main.css",
+                    () ->
+                        $ '<link>', { rel: 'stylesheet', type: 'text/css', 'href': "#{path}main.css" }
+                            .appendTo 'head'
+                    , () ->
+                #launch
+                if _OS.APP[app]
+                    # load app meta data
+                    _API.get "#{path}package.json",
+                        (data) ->
+                            _OS.APP[app].meta = data
+                            ok app
+                        , (e, s) ->
+                            _courrier.osfail "Cannot read application metadata: #{app}", e, s
+                            err e, s
+                else
+                    ok app
+            , (e, s) ->
+                #BUG report here
+                _courrier.osfail "Cannot load application script: #{app}", e, s
+                console.log "bug report", e, s, path
+                err e,s
     launch: (app, args) ->
         if not _OS.APP[app]
             # first load it
-            path = "packages/#{app}/"
-            _API.script path + "main.js",
-                (d) ->
-                    #load css file
-                    _API.get "#{path}main.css",
-                        () ->
-                            $ '<link>', { rel: 'stylesheet', type: 'text/css', 'href': "#{path}main.css" }
-                                .appendTo 'head'
-                        , () ->
-                    #launch
-                    if _OS.APP[app]
-                        # load app meta data
-                        _API.get "#{path}package.json",
-                            (data) ->
-                                _OS.APP[app].meta = data
-                                _PM.createProcess app, _OS.APP[app], args
-                            , (e, s) ->
-                                _courrier.osfail "Cannot read application metadata: #{app}", e, s
-                                alert "cannot read application, meta-data"
+            _GUI.loadApp app,
+                (a)->
+                    _PM.createProcess a, _OS.APP[a], args
                 , (e, s) ->
-                    #BUG report here
-                    _courrier.osfail "Cannot load application script: #{app}", e, s
-                    console.log "bug report", e, s, path
         else
             # now launch it
             if _OS.APP[app]
@@ -168,4 +178,5 @@ self.OS.GUI =
         _GUI.loadTheme "antos"
         _GUI.initDM()
         _courrier.observable.one "syspanelloaded", () ->
-            _GUI.pushServices ["PushNotification", "Spotlight", "Calendar"]
\ No newline at end of file
+            #_GUI.loadApp "CoreServices", (a) ->
+            _GUI.pushServices ["CoreServices/PushNotification", "CoreServices/Spotlight", "CoreServices/Calendar"]
\ No newline at end of file
diff --git a/src/packages/ActivityMonitor/Makefile b/src/packages/ActivityMonitor/Makefile
index 5bd288b..d0e0037 100644
--- a/src/packages/ActivityMonitor/Makefile
+++ b/src/packages/ActivityMonitor/Makefile
@@ -6,28 +6,6 @@ cssfiles = main.css
 
 copyfiles = scheme.html package.json 
 
+PKG_NAME=ActivityMonitor
 
-BLUE=\033[1;34m
-NC=\033[0m
-
-main: title clean js css copy
-
-title:
-	@echo "$(BLUE)======= Package ActivityMonitor =======$(NC)"
-
-coffee:
-	- mkdir build
-	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
-	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
-	- rm build/*.coffee.js
-
-js: coffee
-	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
-
-css:
-	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
-
-copy:
-	cp -rf $(copyfiles) build/
-clean:
-	- rm -rf build/*
\ No newline at end of file
+include ../pkg.mk
\ No newline at end of file
diff --git a/src/services/Calendar.coffee b/src/packages/CoreServices/Calendar.coffee
similarity index 100%
rename from src/services/Calendar.coffee
rename to src/packages/CoreServices/Calendar.coffee
diff --git a/src/packages/CoreServices/Makefile b/src/packages/CoreServices/Makefile
new file mode 100644
index 0000000..ec6d4d7
--- /dev/null
+++ b/src/packages/CoreServices/Makefile
@@ -0,0 +1,11 @@
+coffee_files = Calendar.coffee PushNotification.coffee Spotlight.coffee
+
+jsfiles =
+
+cssfiles = 
+
+copyfiles = package.json
+
+
+PKG_NAME=CoreServices
+include ../pkg.mk
\ No newline at end of file
diff --git a/src/services/PushNotification.coffee b/src/packages/CoreServices/PushNotification.coffee
similarity index 100%
rename from src/services/PushNotification.coffee
rename to src/packages/CoreServices/PushNotification.coffee
diff --git a/src/services/Spotlight.coffee b/src/packages/CoreServices/Spotlight.coffee
similarity index 100%
rename from src/services/Spotlight.coffee
rename to src/packages/CoreServices/Spotlight.coffee
diff --git a/src/packages/CoreServices/package.json b/src/packages/CoreServices/package.json
new file mode 100644
index 0000000..a8c1003
--- /dev/null
+++ b/src/packages/CoreServices/package.json
@@ -0,0 +1,14 @@
+{
+    "app":"CoreServices",
+    "name":"CoreServices",
+    "description":"This is the core services",
+    "info":{
+        "author": "Xuan Sang LE",
+        "email": "xsang.le@gmail.com",
+        "credit": "dedicated to some one here",
+        "licences": "MIT"
+    },
+    "version":"0.1a",
+    "category":"System",
+    "mimes":["*"]
+}
\ No newline at end of file
diff --git a/src/packages/DummyApp/Makefile b/src/packages/DummyApp/Makefile
index 249b97f..159e7bd 100644
--- a/src/packages/DummyApp/Makefile
+++ b/src/packages/DummyApp/Makefile
@@ -7,27 +7,5 @@ cssfiles = main.css
 copyfiles = scheme.html package.json
 
 
-BLUE=\033[1;34m
-NC=\033[0m
-
-main: title clean js css copy
-
-title:
-	@echo "$(BLUE)======= Package DummyApp =======$(NC)"
-
-coffee:
-	- mkdir build
-	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
-	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
-	- rm build/*.coffee.js
-
-js: coffee
-	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
-
-css:
-	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
-
-copy:
-	cp -rf $(copyfiles) build/
-clean:
-	- rm -rf build/*
\ No newline at end of file
+PKG_NAME=DummyApp
+include ../pkg.mk
\ No newline at end of file
diff --git a/src/packages/Files/Makefile b/src/packages/Files/Makefile
index 09641f6..bf5a0bc 100644
--- a/src/packages/Files/Makefile
+++ b/src/packages/Files/Makefile
@@ -7,27 +7,5 @@ cssfiles = main.css
 copyfiles = scheme.html package.json
 
 
-BLUE=\033[1;34m
-NC=\033[0m
-
-main: title clean js css copy
-
-title:
-	@echo "$(BLUE)======= Package Files =======$(NC)"
-
-coffee:
-	- mkdir build
-	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
-	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
-	- rm build/*.coffee.js
-
-js: coffee
-	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
-
-css:
-	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
-
-copy:
-	cp -rf $(copyfiles) build/
-clean:
-	- rm -rf build/*
\ No newline at end of file
+PKG_NAME=ActivityFile
+include ../pkg.mk
\ No newline at end of file
diff --git a/src/packages/Files/main.coffee b/src/packages/Files/main.coffee
index 4e8dc9d..8334b06 100644
--- a/src/packages/Files/main.coffee
+++ b/src/packages/Files/main.coffee
@@ -9,7 +9,6 @@ class Files extends this.OS.GUI.BaseApplication
         @navbar = @find "nav-bar"
         @prepaths = []
         @favo = @find "favouri"
-        @loadSetting()
 
         @view.contextmenuHandler = (e, m) ->
             m.set "items", [ me.mnFile(), me.mnEdit() ]
@@ -34,13 +33,7 @@ class Files extends this.OS.GUI.BaseApplication
             me._api.handler.scandir e.child.path,
                 (d) -> f d.result
                 , (e, s) -> me.error "Cannot fetch child dir #{e.child.path}"
-
-        @favo.set "items", @setting.favorite
-
-    loadSetting: () ->
-        # view setting
-        @view.set "view", @setting.view if @setting.view
-        @view.set "showhidden", @setting.showhidden if @setting.showhidden
+        
         @setting.favorite = [
             { text: "Applications", path: 'apps:///', iconclass:"fa  fa-adn"},
             { text: "Home", path: 'home:///', iconclass:"fa fa-home", selected:true},
@@ -48,8 +41,15 @@ class Files extends this.OS.GUI.BaseApplication
             { text: "Desktop", path: 'home:///.desktop', iconclass: "fa fa-desktop" },
         ] if not @setting.favorite
         @setting.sidebar = true if @setting.sidebar is undefined
-        @toggleSidebar @setting.sidebar
         @setting.nav = true if @setting.nav is undefined
+        @favo.set "items", @setting.favorite
+        @applySetting()
+
+    applySetting: (k) ->
+        # view setting
+        @view.set "view", @setting.view if @setting.view
+        @view.set "showhidden", @setting.showhidden if @setting.showhidden
+        @toggleSidebar @setting.sidebar
         @toggleNav @setting.nav
 
     chdir: (p, push) ->
@@ -123,16 +123,19 @@ class Files extends this.OS.GUI.BaseApplication
     actionView: (e) ->
         switch e.item.data.dataid
             when "#{@name}-hidden"
-                @.view.set "showhidden", e.item.data.checked
-                @.setting.showhidden = e.item.data.checked
+                #@.view.set "showhidden", e.item.data.checked
+                @registry "showhidden",e.item.data.checked
+                #@.setting.showhidden = e.item.data.checked
             when "#{@name}-refresh"
                 @.chdir ($ @.navinput).val(), false
             when "#{@name}-side"
-                @setting.sidebar = e.item.data.checked
-                @toggleSidebar e.item.data.checked
+                @registry "sidebar",e.item.data.checked
+                #@setting.sidebar = e.item.data.checked
+                #@toggleSidebar e.item.data.checked
             when "#{@name}-nav"
-                @setting.nav = e.item.data.checked
-                @toggleNav e.item.data.checked
+                @registry "nav", e.item.data.checked
+                #@setting.nav = e.item.data.checked
+                #@toggleNav e.item.data.checked
 
     actionEdit: (e) ->
         switch e.item.data.dataid
diff --git a/src/packages/NotePad/Makefile b/src/packages/NotePad/Makefile
index c190611..0fb6fd4 100644
--- a/src/packages/NotePad/Makefile
+++ b/src/packages/NotePad/Makefile
@@ -7,27 +7,5 @@ cssfiles = main.css
 copyfiles = scheme.html package.json
 
 
-BLUE=\033[1;34m
-NC=\033[0m
-
-main: title clean js css copy
-
-title:
-	@echo "$(BLUE)======= Package NotePad =======$(NC)"
-
-coffee:
-	- mkdir build
-	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
-	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
-	- rm build/*.coffee.js
-
-js: coffee
-	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
-
-css:
-	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
-
-copy:
-	cp -rf $(copyfiles) build/
-clean:
-	- rm -rf build/*
\ No newline at end of file
+PKG_NAME=NotePad
+include ../pkg.mk
\ No newline at end of file
diff --git a/src/packages/pkg.mk b/src/packages/pkg.mk
new file mode 100644
index 0000000..ca20e9c
--- /dev/null
+++ b/src/packages/pkg.mk
@@ -0,0 +1,25 @@
+
+BLUE=\033[1;34m
+NC=\033[0m
+
+main: title clean js css copy
+
+title:
+	@echo "$(BLUE)======= Package $(PKG_NAME) =======$(NC)"
+
+coffee:
+	- mkdir build
+	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
+	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
+	- rm build/*.coffee.js
+
+js: coffee
+	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
+
+css:
+	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
+
+copy:
+	cp -rf $(copyfiles) build/
+clean:
+	- rm -rf build/*
\ No newline at end of file
diff --git a/src/packages/wTerm/Makefile b/src/packages/wTerm/Makefile
index b8c381e..08691d4 100644
--- a/src/packages/wTerm/Makefile
+++ b/src/packages/wTerm/Makefile
@@ -7,28 +7,5 @@ cssfiles = xterm.css main.css
 copyfiles = scheme.html package.json
 
 
-BLUE=\033[1;34m
-NC=\033[0m
-
-main: title clean js css copy
-
-title:
-	@echo "$(BLUE)======= Package wTerm =======$(NC)"
-	- rm -rf build/*
-
-coffee:
-	- mkdir build
-	for f in $(coffee_files); do (coffee -cs < $$f >build/"$$f.js");done
-	for f in build/*.coffee.js; do (cat "$${f}"; echo) >> build/main.js; done
-	- rm build/*.coffee.js
-
-js: coffee
-	for f in $(jsfiles); do (cat "$${f}"; echo) >> build/main.js; done
-
-css:
-	for f in $(cssfiles); do (cat "$${f}"; echo) >> build/main.css; done
-
-copy:
-	cp -rf $(copyfiles) build/
-clean:
-	- rm -rf build/*
\ No newline at end of file
+PKG_NAME=wTerm
+include ../pkg.mk
\ No newline at end of file