diff --git a/BingSiteAuth.xml b/BingSiteAuth.xml
index f130d5ab9..04a43a6cf 100644
--- a/BingSiteAuth.xml
+++ b/BingSiteAuth.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0"?>
 <users>
 	<user>14716157352C631AD40087A3D69C499B</user>
-</users>
\ No newline at end of file
+</users>
diff --git a/autoload/SpaceVim/logger.vim b/autoload/SpaceVim/logger.vim
index 0cf8f9650..a90888031 100644
--- a/autoload/SpaceVim/logger.vim
+++ b/autoload/SpaceVim/logger.vim
@@ -1,26 +1,42 @@
-let s:logger_level = 0
+let s:logger_level = 1
 let s:levels = ['Info', 'Warn', 'Error']
 let s:logger_file = expand('~/.SpaceVim/.SpaceVim.log')
+
 ""
 " @public
-" Set debug level of SpaceVim, by default it is 0.
+" Set debug level of SpaceVim, by default it is 1. all message will be logged.
 "
-"     0 : log all the message.
+"     1 : log all the message.
 "
-"     1 : log warning and error message
+"     2 : log warning and error message
 "
-"     2 : log error message only
+"     3 : log error message only
 function! SpaceVim#logger#setLevel(level) abort
     let s:logger_level = a:level
 endfunction
 
+function! SpaceVim#logger#info(msg) abort
+    if g:spacevim_enable_debug && s:logger_level <= 1
+        call s:wite(s:warpMsg(a:msg, 1))
+    endif
+endfunction
+
+function! SpaceVim#logger#warn(msg) abort
+    if g:spacevim_enable_debug && s:logger_level <= 2
+        call s:wite(s:warpMsg(a:msg, 2))
+    endif
+endfunction
+
+function! SpaceVim#logger#error(msg) abort
+    if g:spacevim_enable_debug && s:logger_level <= 3
+        call s:wite(s:warpMsg(a:msg, 3))
+    endif
+endfunction
+
 function! s:wite(msg) abort
     call writefile([a:msg], s:logger_file, 'a')
 endfunction
 
-function! SpaceVim#logger#info(msg) abort
-    call s:wite(s:warpMsg(a:msg, 1))
-endfunction
 
 function! SpaceVim#logger#viewLog(...) abort
     let l = a:0 > 0 ? a:1 : 0
diff --git a/autoload/SpaceVim/plugins.vim b/autoload/SpaceVim/plugins.vim
index 90b85ba23..521dcb8bd 100644
--- a/autoload/SpaceVim/plugins.vim
+++ b/autoload/SpaceVim/plugins.vim
@@ -1,3 +1,4 @@
+scriptencoding utf-8
 let s:plugins = {}
 
 let s:plugins.core = [
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index 7c2efd39a..7740df783 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -128,13 +128,13 @@ SpaceVim#Layer({layer})                                     *SpaceVim#Layer()*
   autocompletion. unite : Unite centric work-flow
 
 SpaceVim#logger#setLevel({level})                 *SpaceVim#logger#setLevel()*
-  Set debug level of SpaceVim, by default it is 0.
+  Set debug level of SpaceVim, by default it is 1. all message will be logged.
 
-      0 : log all the message.
+      1 : log all the message.
 
-      1 : log warning and error message
+      2 : log warning and error message
 
-      2 : log error message only
+      3 : log error message only
 
 SpaceVim#logger#setOutput({file})                *SpaceVim#logger#setOutput()*
   Set log output file of SpaceVim. by default it is
diff --git a/sitemap.xml b/sitemap.xml
index f20f74309..5bdd1751d 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -16,4 +16,4 @@
   <lastmod>2017-01-08T05:59:47+00:00</lastmod>
   <changefreq>daily</changefreq>
 </url>
-</urlset>
\ No newline at end of file
+</urlset>