diff --git a/Makefile b/Makefile
index 1bcf105..ee9b7cf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 BUILDDIR = ./build
-projs = grs info blog apps
+projs = grs info blog apps os
 copyfiles =  index.ls mimes.json
 main: clean copy
 	for f in $(projs); do  make -C  "$${f}" ; done
diff --git a/apps/assets/coffee/WebVNC.coffee b/apps/assets/coffee/WebVNC.coffee
index a7cb2bb..93db32f 100644
--- a/apps/assets/coffee/WebVNC.coffee
+++ b/apps/assets/coffee/WebVNC.coffee
@@ -29,6 +29,8 @@ class WebVNC extends window.classes.BaseObject
                 r('demo', 'demo')
         @client.oncopy = (text) ->
             cosole.log text
+        @client.onerror = (m) ->
+            alert(m)
         @client.init()
             .then () ->
                 $("#connect").click (e) ->
diff --git a/apps/assets/scripts/main.js b/apps/assets/scripts/main.js
index 0137e8a..f027ed0 100644
--- a/apps/assets/scripts/main.js
+++ b/apps/assets/scripts/main.js
@@ -199,6 +199,9 @@
       this.client.oncopy = function(text) {
         return cosole.log(text);
       };
+      this.client.onerror = function(m) {
+        return alert(m);
+      };
       return this.client.init().then(function() {
         $("#connect").click(function(e) {
           return me.client.connect("/opt/www/vnc.conf", {
diff --git a/apps/router.lua b/apps/router.lua
index 8cec404..83247d0 100644
--- a/apps/router.lua
+++ b/apps/router.lua
@@ -5,7 +5,7 @@
 -- some global variables
 DIR_SEP = "/"
 WWW_ROOT = "/opt/www/htdocs/apps"
-HTTP_ROOT = "https://10.1.10.84:9195/apps"
+HTTP_ROOT = "https://apps.lxsang.me"
 -- class path: path.to.class
 BASE_FRW = ""
 -- class path: path.to.class
@@ -21,7 +21,7 @@ POLICY.mimes["application/wasm"] = true
 -- registry object store global variables
 local REGISTRY = {}
 -- set logging level
-REGISTRY.logger = Logger:new{ levels = {INFO = true, ERROR = true, DEBUG = true}}
+REGISTRY.logger = Logger:new{ levels = {INFO = false, ERROR = true, DEBUG = false}}
 REGISTRY.db = DBHelper:new{db="iosapps"}
 REGISTRY.layout = 'default'
 REGISTRY.fileaccess = true
@@ -33,7 +33,7 @@ router:setPath(CONTROLLER_ROOT)
 --router:route('edit', 'post/edit', "ALL" )
 
 -- example of depedencies to the current main route
--- each layout may have different dependencies
+--[[ -- each layout may have different dependencies
 local default_routes_dependencies = {
     edit = {
         url = "post/edit",
@@ -48,8 +48,8 @@ local default_routes_dependencies = {
     --    url = "cat/index",
     --    visibility = "ALL"
     --}
-}
-router:route('default', default_routes_dependencies )
+} 
+router:route('default', default_routes_dependencies )]]
 router:delegate()
 if REGISTRY.db then REGISTRY.db:close() end
 
diff --git a/blog/router.lua b/blog/router.lua
index f457a4c..9e4bbd3 100644
--- a/blog/router.lua
+++ b/blog/router.lua
@@ -5,7 +5,7 @@
 -- some global variables
 DIR_SEP = "/"
 WWW_ROOT = "/opt/www/htdocs/blog"
-HTTP_ROOT = "https://blog.localhost:9195"
+HTTP_ROOT = "https://blog.lxsang.me"
 -- class path: path.to.class
 BASE_FRW = ""
 -- class path: path.to.class
@@ -25,7 +25,7 @@ end
 -- registry object store global variables
 local REGISTRY = {}
 -- set logging level
-REGISTRY.logger = Logger:new{ levels = {INFO = true, ERROR = true, DEBUG = true}}
+REGISTRY.logger = Logger:new{ levels = {INFO = false, ERROR = true, DEBUG = false}}
 REGISTRY.db = DBHelper:new{db="mrsang"}
 REGISTRY.layout = 'default'
 REGISTRY.fileaccess = true
@@ -52,8 +52,8 @@ router:setPath(CONTROLLER_ROOT)
             }
         }
     }
-} ]]
-router:route('default', default_routes_dependencies )
+} 
+router:route('default', default_routes_dependencies )]]
 router:remap("index", "post")
 router:remap("r", "post")
 router:delegate()
diff --git a/info/router.lua b/info/router.lua
index 5096c94..a6ce24e 100644
--- a/info/router.lua
+++ b/info/router.lua
@@ -5,7 +5,7 @@
 -- some global variables
 DIR_SEP = "/"
 WWW_ROOT = "/opt/www/htdocs/info"
-HTTP_ROOT = "https://info.localhost:9195/"
+HTTP_ROOT = "https://info.lxsang.me"
 -- class path: path.to.class
 BASE_FRW = ""
 -- class path: path.to.class
@@ -21,7 +21,7 @@ require(BASE_FRW.."silk.api")
 -- registry object store global variables
 local REGISTRY = {}
 -- set logging level
-REGISTRY.logger = Logger:new{ levels = {INFO = true, ERROR = true, DEBUG = true}}
+REGISTRY.logger = Logger:new{ levels = {INFO = false, ERROR = true, DEBUG = false}}
 REGISTRY.db = DBHelper:new{db="mrsang"}
 REGISTRY.layout = 'default'
 REGISTRY.fileaccess = true
diff --git a/mimes.json b/mimes.json
index afabf6e..7cc007c 100644
--- a/mimes.json
+++ b/mimes.json
@@ -15,5 +15,9 @@
     "apj": {
         "mime": "text/antos-project",
         "binary": false
+    },
+    "wasm": {
+        "mime": "application/wasm",
+        "binary": true
     }
 }
\ No newline at end of file
diff --git a/os/router.lua b/os/router.lua
index 77bbd9f..ac8105c 100644
--- a/os/router.lua
+++ b/os/router.lua
@@ -5,7 +5,7 @@
 -- some global variables
 DIR_SEP = "/"
 WWW_ROOT = "/opt/www/htdocs/os"
-HTTP_ROOT = "http://os.localhost:9192"
+HTTP_ROOT = "https://os.lxsang.me"
 -- class path: path.to.class
 BASE_FRW = ""
 -- class path: path.to.class
@@ -26,7 +26,7 @@ require("common")
 -- registry object store global variables
 local REGISTRY = {}
 -- set logging level
-REGISTRY.logger = Logger:new{ levels = {INFO = true, ERROR = true, DEBUG = true}}
+REGISTRY.logger = Logger:new{ levels = {INFO = false, ERROR = true, DEBUG = false}}
 --REGISTRY.db = DBHelper:new{db="sysdb"}
 REGISTRY.layout = 'default'
 REGISTRY.fileaccess = true