diff --git a/apps/controllers/PostController.lua b/apps/controllers/PostController.lua
index 9bd7aca..d3d25d3 100644
--- a/apps/controllers/PostController.lua
+++ b/apps/controllers/PostController.lua
@@ -1,8 +1,7 @@
-PostController = BaseController:extends{
-    class = "PostController",
+BaseController:subclass("PostController", {
     registry = {},
     models = { "post" }
-}
+})
 
 function PostController:index(...)
     local args = {...}
diff --git a/apps/models/PostModel.lua b/apps/models/PostModel.lua
index 0e300e1..1902edd 100644
--- a/apps/models/PostModel.lua
+++ b/apps/models/PostModel.lua
@@ -1,8 +1,8 @@
-PostModel = BaseModel:extends{
+BaseModel:subclass("PostModel", {
     registry = {},
     name = "post",
     fields = {
         cid = "NUMERIC",
         content = "TEXT"
     }
-}
\ No newline at end of file
+})
\ No newline at end of file
diff --git a/info/controllers/IndexController.lua b/info/controllers/IndexController.lua
index 4a86f1a..54727bd 100644
--- a/info/controllers/IndexController.lua
+++ b/info/controllers/IndexController.lua
@@ -1,8 +1,8 @@
-IndexController = BaseController:extends{
-    class = "IndexController",
-    registry = {},
-    models = { "sections", "category" }
-}
+ BaseController:subclass("IndexController",
+    {
+        registry = {},
+        models = { "sections", "category" }
+    })
 
 local sectionsByCid = function(db, id)
     local cond = { exp = { ["="] = { cid = id } } , order = { start = "DESC" } }
diff --git a/info/controllers/TocController.lua b/info/controllers/TocController.lua
index eea9d1f..c888984 100644
--- a/info/controllers/TocController.lua
+++ b/info/controllers/TocController.lua
@@ -1,6 +1,4 @@
-TocController = BaseController:extends{
-    class = "TocController"
-}
+BaseController:subclass("TocController")
 
 function TocController:index(...)
     return true
diff --git a/info/controllers/UserController.lua b/info/controllers/UserController.lua
index 73723fe..1bea4a4 100644
--- a/info/controllers/UserController.lua
+++ b/info/controllers/UserController.lua
@@ -1,7 +1,6 @@
-UserController = BaseController:extends{
-    class = "UserController",
+BaseController:subclass("UserController",{
     models = {"user"}
-}
+})
 
 function UserController:index(...)
     local args = {...}
diff --git a/info/models/CategoryModel.lua b/info/models/CategoryModel.lua
index 3ddf774..7ca81ae 100644
--- a/info/models/CategoryModel.lua
+++ b/info/models/CategoryModel.lua
@@ -1,4 +1,4 @@
-CategoryModel = BaseModel:extends{
+BaseModel:subclass("CategoryModel",{
     registry = {},
     name = "cv_cat",
     fields = {
@@ -6,4 +6,4 @@ CategoryModel = BaseModel:extends{
 	    name =	"TEXT",
 	    pid	= "NUMERIC"
     }
-}
\ No newline at end of file
+})
\ No newline at end of file
diff --git a/info/models/SectionsModel.lua b/info/models/SectionsModel.lua
index 5a4fc94..5de6ce1 100644
--- a/info/models/SectionsModel.lua
+++ b/info/models/SectionsModel.lua
@@ -1,4 +1,4 @@
-SectionsModel = BaseModel:extends{
+BaseModel:subclass("SectionsModel",{
     name = "cv_sections",
     fields = {
         title = "TEXT",
@@ -10,4 +10,4 @@ SectionsModel = BaseModel:extends{
         publish	= "NUMERIC",
         cid = "NUMERIC",
     }
-}
\ No newline at end of file
+})
\ No newline at end of file
diff --git a/info/models/UserModel.lua b/info/models/UserModel.lua
index e157945..a4e1a11 100644
--- a/info/models/UserModel.lua
+++ b/info/models/UserModel.lua
@@ -1,4 +1,4 @@
-UserModel = BaseModel:extends{
+BaseModel:subclass("UserModel",{
     registry = {},
     name = "user",
     fields = {
@@ -9,4 +9,4 @@ UserModel = BaseModel:extends{
 	    email = "TEXT",
 	    url = "TEXT"
     }
-}
\ No newline at end of file
+})
\ No newline at end of file
diff --git a/silk/BaseController.lua b/silk/BaseController.lua
index d88593c..ccb1e8d 100644
--- a/silk/BaseController.lua
+++ b/silk/BaseController.lua
@@ -1,9 +1,11 @@
 -- create class
-BaseController = BaseObject:extends{
-    class="BaseController",
-    registry = {},
-    models = {},
-    main = false }
+BaseObject:subclass("BaseController",
+    {
+        registry = {},
+        models = {},
+        main = false
+    })
+    
 -- set the name here in each subclasses
 function BaseController:initialize()
     for k, v in pairs(self.models) do
@@ -24,6 +26,10 @@ function BaseController:initialize()
     self.template = Template:new{registry = self.registry}
 end
 
+function BaseController:print(...)
+    return self:actionnotfound("print")
+end
+
 function BaseController:redirect(url)
     std.status(301, "Moved Permanently")
     std.custom_header("Content-Type","text/html")
@@ -64,7 +70,7 @@ function BaseController:modelnotfound(...)
 end
 -- The not found controller
 
-NotfoundController = BaseController:extends{ registry = {}, models = {} }
+BaseController:subclass("NotfoundController",{ registry = {}, models = {} })
 
 function NotfoundController:index(...)
     local args = {...}
@@ -74,7 +80,7 @@ function NotfoundController:index(...)
 end
 
 -- The asset controller for the static file
-AssetController = BaseController:extends{name= "AssetController",registry={}, models={}}
+BaseController:subclass("AssetController", {registry={}, models={}})
 function AssetController:index(...)
     local args = {...}
     return self:get(table.unpack(args))
diff --git a/silk/BaseModel.lua b/silk/BaseModel.lua
index 563979a..ee00ba5 100644
--- a/silk/BaseModel.lua
+++ b/silk/BaseModel.lua
@@ -1,6 +1,6 @@
 
 -- create class
-BaseModel = BaseObject:extends{class="BaseModel",registry = {}}
+BaseObject:subclass("BaseModel", {registry = {}})
 
 function BaseModel:initialize()
     self.db = self.registry.db
diff --git a/silk/BaseObject.lua b/silk/BaseObject.lua
index 360d4bd..4cd9e7b 100644
--- a/silk/BaseObject.lua
+++ b/silk/BaseObject.lua
@@ -1,5 +1,8 @@
 BaseObject = Object:extends{registry = {}, class="BaseObject"}
-
+function BaseObject:subclass(name, args)
+    _G[name] = self:extends(args)
+    _G[name].class = name
+end
 
 function BaseObject:log(msg, level)
     level = level or "INFO"
@@ -12,6 +15,10 @@ function BaseObject:debug(msg)
     self:log(msg, "DEBUG")
 end
 
+function BaseObject:print()
+    print(self.class)
+end
+
 function BaseObject:error(msg, trace)
     html()
     echo(msg)
diff --git a/silk/DBHelper.lua b/silk/DBHelper.lua
index be5de5a..e9d0ab9 100644
--- a/silk/DBHelper.lua
+++ b/silk/DBHelper.lua
@@ -2,7 +2,7 @@ sqlite = modules.sqlite()
 
 if sqlite == nil then return 0 end
 -- create class
-DBHelper = BaseObject:extends{db=nil, class='DBHelper'}
+ BaseObject:subclass("DBHelper",{db={}})
 
 function DBHelper:createTable(tbl, m)
 	if self:available(tbl) then return true end
diff --git a/silk/Router.lua b/silk/Router.lua
index f4d61a7..6884baa 100644
--- a/silk/Router.lua
+++ b/silk/Router.lua
@@ -1,6 +1,6 @@
 
 --define the class
-Router = BaseObject:extends{class="Router",registry = {}}
+BaseObject:subclass ("Router",{registry = {}})
 function Router:setPath(path)
     self.path = path
 end
diff --git a/silk/Template.lua b/silk/Template.lua
index fe2a8cb..ae9004b 100644
--- a/silk/Template.lua
+++ b/silk/Template.lua
@@ -1,5 +1,5 @@
 -- create class
-Template = BaseObject:extends{class="Template",registry = {}}
+ BaseObject:subclass("Template",{registry = {}})
 
 function Template:initialize()
     self.vars = {}