diff --git a/Panda/Config/Global.hs b/Panda/Config/Global.hs
--- a/Panda/Config/Global.hs
+++ b/Panda/Config/Global.hs
@@ -3,6 +3,7 @@
 import Panda.Helper.Env
 import Prelude hiding ((.), (/), (^), id, readFile)
 import Panda.Type.Reader
+import Panda.Type.Sidebar
 
 db_id       = "db"
 flat_id     = "."
@@ -10,11 +11,13 @@
 config_id   = "config"
 tag_id      = "tag"
 comment_id  = "comment"
+sidebar_id  = "sidebar"
 
 db_uri      = db_id
 flat_uri    = db_uri / flat_id
 
 config_uri  = flat_uri / config_id / "site.txt"
+sidebar_uri = flat_uri / config_id / sidebar_id
 blog_uri    = flat_uri / blog_id
 tag_uri     = flat_uri / tag_id
 comment_uri = flat_uri / comment_id
@@ -25,17 +28,21 @@
 
 user_config     = readFile config_uri .purify .filter_comment .lines .map strip .map (split "\\s*=\\s*") .map tuple2
 config_for' s d = user_config.lookup s .fromMaybe d
-
 config_for s    = config_for' s s
 
+parse_config s = s.split "," .map strip .reject null
+
 blog_title      = config_for "blog_title"
 blog_subtitle   = config_for "blog_subtitle"
 host_name       = config_for "host_name"
 author_email    = config_for "author_email" 
 
 per_page        = config_for' "per_page" "7" .read :: Int
-navigation      = config_for' "navigation" "About" .split "," .map strip .reject null .("Home" :)
+navigation      = config_for' "navigation" "About" .parse_config.("Home" :)
 
 panda_url       = "http://github.com/nfjinjing/panda"
 
 default_reader  = Markdown
+
+sidebar = config_for "sidebar" .parse_config .map (sidebar_uri /).select (to_utf8 >>> doesFileExist >>> purify )
+  .map (read_sidebar_item default_reader >>> purify)
diff --git a/Panda/Controller/Application.hs b/Panda/Controller/Application.hs
--- a/Panda/Controller/Application.hs
+++ b/Panda/Controller/Application.hs
@@ -3,7 +3,7 @@
 -- views are pure functions.
 
 -- a note on encoding:
--- IO are in utf-8 filter, internally use unicode bytes
+-- IO are in utf-8 filter, internally use bytes
 
 {-# OPTIONS -fno-monomorphism-restriction #-}
 
@@ -124,9 +124,9 @@
 
 
 comment_create = do
-  post_id <- input_with_default "post_id" "blog/nothing"
-  exists <- (G.flat_uri / post_id) .doesFileExist .liftIO
-  let valid_path = equalFilePath "blog" (takeDirectory post_id)
+  post_id <- input_with_default "post_id" (G.blog_id / "nothing")
+  exists <- (G.flat_uri / post_id.to_utf8) .doesFileExist .liftIO
+  let valid_path = equalFilePath G.blog_id (takeDirectory post_id)
   checked <- check_create
   
   if [checked, valid_path, exists].and
diff --git a/Panda/Helper/Helper.hs b/Panda/Helper/Helper.hs
--- a/Panda/Helper/Helper.hs
+++ b/Panda/Helper/Helper.hs
@@ -37,15 +37,15 @@
   where remove_trailing_slash s = if s.last.is '/' then s.init else s
 
 params = do
-  query_string <- requestURI <.> uriQuery 
+  query_string <- requestURI ^ uriQuery 
   case query_string of
     '?':s -> s.formDecode .map_snd unescape_unicode_xml.return
     otherwise -> return []
 
 inputs = getInputs ^ map_snd (strip >>> unescape_unicode_xml)
 
-param_with_default s d = params <.> (lookup s >>> fromMaybe d )
-input_with_default s d = inputs <.> (lookup s >>> fromMaybe d )
+param_with_default s d = params ^ (lookup s >>> fromMaybe d )
+input_with_default s d = inputs ^ (lookup s >>> fromMaybe d )
 
 get_param s = params ^ lookup s
 get_input s = inputs ^ lookup s
diff --git a/Panda/Model/Comment.hs b/Panda/Model/Comment.hs
--- a/Panda/Model/Comment.hs
+++ b/Panda/Model/Comment.hs
@@ -40,10 +40,10 @@
   let author  = at "author"
   let url     = at "url"
   let body    = at "comment"
-  let post_id = at "post_id" .to_utf8
+  let post_id = at "post_id" 
 
   timestamp <- ( getClockTime >>= toCalendarTime ) ^ format_date
-  let comment_path = G.flat_uri / G.comment_id / (post_id.split "/".last) 
+  let comment_path = G.flat_uri / G.comment_id / (post_id.split "/".last.to_utf8) 
   createDirectoryIfMissing True comment_path
   
   let uid = comment_path / timestamp
diff --git a/Panda/View/Theme/BluePrint/Template/Sidebar.hs b/Panda/View/Theme/BluePrint/Template/Sidebar.hs
--- a/Panda/View/Theme/BluePrint/Template/Sidebar.hs
+++ b/Panda/View/Theme/BluePrint/Template/Sidebar.hs
@@ -5,16 +5,21 @@
 import qualified Panda.Type.State as State
 
 import qualified Data.Set as Set
+import qualified Panda.Config.Global as G
+import qualified Panda.Type.Sidebar as Sidebar
 
 -- model
 import Panda.Model.Tag as Tag
 
 html_sidebar state = 
-  div_class_id "column span-3 last" "sidebar" << unordList
-    [ feed state
-    , hr
-    , tag_list $ state.State.tags
-    ]
+  div_class_id "column span-3 last" "sidebar" << unordList formatted_list
+  where
+    stock_list = 
+      [ feed state
+      , tag_list $ state.State.tags
+      ] 
+    custom_list = G.sidebar.map (\x -> h2 << x.Sidebar.name +++ x.Sidebar.markup)
+    formatted_list = (stock_list ++ custom_list) .intersperse hr
 
 feed state = toHtml
   [ h2 << "Subscribe"
diff --git a/changelog.markdown b/changelog.markdown
--- a/changelog.markdown
+++ b/changelog.markdown
@@ -1,3 +1,15 @@
+2008.9.19.1
+------------
+
+### Features
+
+* Customizable sidebar
+
+### Fix
+
+* Leave comment in utf-8 posts
+
+
 2008.9.19
 ----------
 
diff --git a/panda.cabal b/panda.cabal
--- a/panda.cabal
+++ b/panda.cabal
@@ -1,5 +1,5 @@
 Name:                 panda
-Version:              2008.9.19
+Version:              2008.9.19.1
 Build-type:           Simple
 Synopsis:             Simple Static Blog Engine
 Description:          Simple Static Blog Engine