diff --git a/src/core/gui.coffee b/src/core/gui.coffee
index 98711fd..8910ebe 100644
--- a/src/core/gui.coffee
+++ b/src/core/gui.coffee
@@ -102,32 +102,27 @@ self.OS.GUI =
         _GUI.launch app, args
 
     loadApp: (app, ok, err) ->
-        path = "packages/#{app}/"
-        _API.script path + "main.js",
-            (d) ->
+        path = "os:///packages/#{app}"
+        path = _OS.setting.system.packages[app].path if _OS.setting.system.packages[app].path
+        js = path + "/main.js"
+        js.asFileHandler().read (d) ->
                 #load css file
-                _API.get "#{path}main.css",
-                    () ->
-                        $ '<link>', { rel: 'stylesheet', type: 'text/css', 'href': "#{path}main.css" }
-                            .appendTo 'head'
-                    , () ->
+                css =  "#{path}/main.css"
+                css.asFileHandler().onready (d) ->
+                    $ '<link>', { rel: 'stylesheet', type: 'text/css', 'href': "#{_API.handler.get}/#{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
+                    "#{path}/package.json".asFileHandler().read (data) ->
+                        data.path = path
+                        _OS.APP[app].meta = data
+                        ok app
+                    , "json"
                 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
+            , "script"
     launch: (app, args) ->
         if not _OS.APP[app]
             # first load it
@@ -147,7 +142,8 @@ self.OS.GUI =
             iconclass: meta.iconclass || ""
             app: app
             onbtclick: () -> app.toggle()
-        data.icon = "packages/#{meta.app}/#{meta.icon}" if meta.icon
+        # TODO: this path is not good, need to create a blob of it
+        data.icon = "#{_API.handler.get}/#{meta.path}/#{meta.icon}" if meta.icon
         # TODO: add default app icon class in system setting
         # so that it can be themed
         data.iconclass = "fa fa-cogs" if (not meta.icon) and (not meta.iconclass)
@@ -369,9 +365,9 @@ self.OS.GUI =
                     "CoreServices/Spotlight",
                     "CoreServices/Calendar"
                 ]
+                #_GUI.launch "DummyApp"
 
         # startup application here
         _courrier.observable.one "desktoploaded", () ->
-            console.log "startup app"
-            _GUI.launch "DummyApp"
+            #_GUI.launch "DummyApp"
             #_GUI.launch "NotePad"
\ No newline at end of file
diff --git a/src/core/handlers/RemoteHandler.coffee b/src/core/handlers/RemoteHandler.coffee
index 4dafb8d..e41de56 100644
--- a/src/core/handlers/RemoteHandler.coffee
+++ b/src/core/handlers/RemoteHandler.coffee
@@ -1,4 +1,6 @@
 self.OS.API.handler =
+    get: "lua-api/fs/get"
+    
     scandir: (p, c ) ->
         path = "lua-api/fs/scandir"
         _API.post path, { path: p }, c, (e, s) ->
@@ -13,11 +15,11 @@ self.OS.API.handler =
         _API.post path, { path: p }, c, (e, s) ->
             _courrier.osfail "Fail to get file metadata: #{p}", e, s
 
-    readfile: (p, c) ->
+    readfile: (p, c, t) ->
         path = "lua-api/fs/get/"
         _API.get path + p, c, (e, s) ->
             _courrier.osfail "Fail to read file: #{p}", e, s
-        , "text"
+        , t
 
     move: (s, d, c) ->
         path = "lua-api/fs/move"
diff --git a/src/core/vfs.coffee b/src/core/vfs.coffee
index f2ae311..d0c24de 100644
--- a/src/core/vfs.coffee
+++ b/src/core/vfs.coffee
@@ -68,9 +68,9 @@ class BasicFileHandler
             me.ready = true
             f()
 
-    read: (f) ->
+    read: (f, t) ->
         me = @
-        @onready (() -> me.action "read", null, f)
+        @onready (() -> me.action "read", t, f)
 
     write: (d, f) ->
         me = @
@@ -136,7 +136,7 @@ class RemoteFileHandler extends self.OS.API.VFS.BasicFileHandler
             when "read"
                 return _API.handler.scandir @path, f if @info.type is "dir"
                 #read the file
-                _API.handler.readfile @path, f
+                _API.handler.readfile @path, f, if p then p else "text"
             when "mk"
                 return f { error: "#{@path} is not a directory" } if @info.type is "file"
                 _API.handler.mkdir "#{@path}/#{p}", f
diff --git a/src/packages/DummyApp/Makefile b/src/packages/DummyApp/Makefile
index 159e7bd..b2eb2d7 100644
--- a/src/packages/DummyApp/Makefile
+++ b/src/packages/DummyApp/Makefile
@@ -4,7 +4,7 @@ jsfiles =
 
 cssfiles = main.css
 
-copyfiles = scheme.html package.json
+copyfiles = scheme.html package.json icon.png
 
 
 PKG_NAME=DummyApp
diff --git a/src/packages/DummyApp/icon.png b/src/packages/DummyApp/icon.png
new file mode 100644
index 0000000..6073c9c
Binary files /dev/null and b/src/packages/DummyApp/icon.png differ
diff --git a/src/packages/DummyApp/main.css b/src/packages/DummyApp/main.css
index e69de29..01c49a5 100644
--- a/src/packages/DummyApp/main.css
+++ b/src/packages/DummyApp/main.css
@@ -0,0 +1,7 @@
+.dummyapp-icon {
+    background-image: url("icon.png");
+    background-color: blueviolet;
+    display: block;
+    width: 32px;
+    height: 32px;
+}
\ No newline at end of file