diff --git a/README.md b/README.md
index 183307b..8c501bb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Tsuquyomi
 
-Tsuquyomi is a Vim plugin for TypeScript developers.
+Tsuquyomi is a Vim plugin for TypeScript.
 
 ## Features
 
diff --git a/autoload/tsuquyomi.vim b/autoload/tsuquyomi.vim
index b23495a..72a491b 100644
--- a/autoload/tsuquyomi.vim
+++ b/autoload/tsuquyomi.vim
@@ -45,8 +45,8 @@ endfunction
 " Save current buffer to a temp file, and emit to reload TSServer.
 " This function may be called for conversation with TSServer after user's change buffer.
 function! s:flash()
-  if tsuquyomi#bufManager#isDirty(expand('%'))
-    let file_name = expand('%')
+  if tsuquyomi#bufManager#isDirty(expand('%:p'))
+    let file_name = expand('%:p')
     call tsuquyomi#bufManager#saveTmp(file_name)
     call tsuquyomi#tsClient#tsReload(file_name, tsuquyomi#bufManager#tmpfile(file_name))
     call tsuquyomi#bufManager#setDirty(file_name, 0)
@@ -65,15 +65,31 @@ function! tsuquyomi#rootDir()
   return s:root_dir
 endfunction
 
+" #### Server operations {{{
+function! tsuquyomi#startServer()
+  return tsuquyomi#tsClient#startTss()
+endfunction
+
+function! tsuquyomi#stopServer()
+  call tsuquyomi#bufManager#clearMap()
+  return tsuquyomi#tsClient#stopTss()
+endfunction
+
+function! tsuquyomi#statusServer()
+  return tsuquyomi#tsClient#statusTss()
+endfunction
+
+" #### Server operations }}}
+
 " #### Notify changed {{{
 function! tsuquyomi#letDirty()
-  return tsuquyomi#bufManager#setDirty(expand('%'), 1)
+  return tsuquyomi#bufManager#setDirty(expand('%:p'), 1)
 endfunction
 " #### Notify changed }}}
 
 " #### File operations {{{
 function! tsuquyomi#open(...)
-  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%')]
+  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%:p')]
   for file in filelist
     if file == ''
       continue
@@ -85,7 +101,7 @@ function! tsuquyomi#open(...)
 endfunction
 
 function! tsuquyomi#close(...)
-  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%')]
+  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%:p')]
   let file_count = 0
   for file in filelist
     if tsuquyomi#bufManager#isOpened(file)
@@ -113,12 +129,12 @@ function! s:reloadFromList(filelist)
 endfunction
 
 function! tsuquyomi#reload(...)
-  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%')]
+  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%:p')]
   return s:reloadFromList(filelist)
 endfunction
 
 function! tsuquyomi#dump(...)
-  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%')]
+  let filelist = a:0 ? map(range(1, a:{0}), 'expand(a:{v:val})') : [expand('%:p')]
   let [opend, not_opend] = s:checkOpenAndMessage(filelist)
 
   for file in opend
@@ -148,7 +164,7 @@ endfunction
 
 function! tsuquyomi#complete(findstart, base)
 
-  if len(s:checkOpenAndMessage([expand('%')])[1])
+  if len(s:checkOpenAndMessage([expand('%:p')])[1])
     return
   endif
 
@@ -166,7 +182,7 @@ function! tsuquyomi#complete(findstart, base)
     call s:flash()
     return l:start - 1
   else
-    let l:file = expand('%')
+    let l:file = expand('%:p')
     let l:res_dict = {'words': []}
     let l:res_list = tsuquyomi#tsClient#tsCompletions(l:file, l:line, l:start, a:base)
 
@@ -209,13 +225,13 @@ endfunction
 " #### Definition {{{
 function! tsuquyomi#definition()
 
-  if len(s:checkOpenAndMessage([expand('%')])[1])
+  if len(s:checkOpenAndMessage([expand('%:p')])[1])
     return
   endif
 
   call s:flash()
 
-  let l:file = s:normalizePath(expand('%'))
+  let l:file = s:normalizePath(expand('%:p'))
   let l:line = line('.')
   let l:offset = col('.')
   let l:res_list = tsuquyomi#tsClient#tsDefinition(l:file, l:line, l:offset)
@@ -240,13 +256,13 @@ endfunction
 " Show reference on a location window.
 function! tsuquyomi#references()
 
-  if len(s:checkOpenAndMessage([expand('%')])[1])
+  if len(s:checkOpenAndMessage([expand('%:p')])[1])
     return
   endif
 
   call s:flash()
 
-  let l:file = expand('%')
+  let l:file = expand('%:p')
   let l:line = line('.')
   let l:offset = col('.')
 
@@ -278,11 +294,13 @@ endfunction
 
 " #### Geterr {{{
 function! tsuquyomi#geterr()
-  if len(s:checkOpenAndMessage([expand('%')])[1])
+  if len(s:checkOpenAndMessage([expand('%:p')])[1])
     return
   endif
 
-  let l:files = [expand('%')]
+  call s:flash()
+
+  let l:files = [expand('%:p')]
   let l:delayMsec = 50 "TODO export global option
 
   " 1. Fetch error information from TSServer.
@@ -327,7 +345,10 @@ function! tsuquyomi#geterr()
 endfunction
 
 function! tsuquyomi#reloadAndGeterr()
-  return tsuquyomi#reload() && tsuquyomi#geterr()
+  if tsuquyomi#tsClient#statusTss() != 'undefined'
+    return tsuquyomi#geterr()
+    "return tsuquyomi#reload() && tsuquyomi#geterr()
+  endif
 endfunction
 
 " #### Geterr }}}
@@ -335,11 +356,13 @@ endfunction
 " #### Balloon {{{
 function! tsuquyomi#balloonexpr()
 
-  call s:flash()
-  let l:filename = buffer_name(v:beval_bufnr)
-  let res = tsuquyomi#tsClient#tsQuickinfo(l:filename, v:beval_lnum, v:beval_col)
-  if has_key(res, 'displayString')
-    return res.displayString
+  if tsuquyomi#tsClient#tsReload() != 'undefined'
+    call s:flash()
+    let l:filename = buffer_name(v:beval_bufnr)
+    let res = tsuquyomi#tsClient#tsQuickinfo(l:filename, v:beval_lnum, v:beval_col)
+    if has_key(res, 'displayString')
+      return res.displayString
+    endif
   endif
 endfunction
 " #### Balloon }}}
@@ -347,13 +370,13 @@ endfunction
 " #### Rename {{{
 function! tsuquyomi#renameSymbol()
 
-  if len(s:checkOpenAndMessage([expand('%')])[1])
+  if len(s:checkOpenAndMessage([expand('%:p')])[1])
     return
   endif
 
   call s:flash()
 
-  let l:filename = expand('%')
+  let l:filename = expand('%:p')
   let l:line = line('.')
   let l:offset = col('.')
 
@@ -373,7 +396,7 @@ function! tsuquyomi#renameSymbol()
   " TODO to be able to change multiple buffer.
   "
   " * Check affection only current buffer.
-  if len(l:res_dict.locs) != 1 || s:normalizePath(expand('%')) != l:res_dict.locs[0].file
+  if len(l:res_dict.locs) != 1 || s:normalizePath(expand('%:p')) != l:res_dict.locs[0].file
     let file_list = map(copy(l:res_dict.locs), 'v:val.file')
     let dirty_file_list = tsuquyomi#bufManager#whichDirty(file_list)
 
@@ -430,7 +453,7 @@ function! tsuquyomi#renameSymbol()
     let buffer_name = tsuquyomi#bufManager#bufName(fileLoc.file)
     let s:locs_dict[buffer_name] = fileLoc.locs
     let changed_count = 0
-    if buffer_name != expand('%')
+    if buffer_name != expand('%:p')
       call add(other_buf_list, buffer_name)
       continue
     endif
@@ -453,8 +476,8 @@ endfunction
 
 function! s:renameLocal()
   let changed_count = 0
-  let filename = expand('%')
-  let locations_in_buf = s:locs_dict[expand('%')]
+  let filename = expand('%:p')
+  let locations_in_buf = s:locs_dict[expand('%:p')]
   let renameTo = s:rename_to
   for span in locations_in_buf
     if span.start.line != span.end.line
diff --git a/autoload/tsuquyomi/bufManager.vim b/autoload/tsuquyomi/bufManager.vim
index 492afc4..289c24c 100644
--- a/autoload/tsuquyomi/bufManager.vim
+++ b/autoload/tsuquyomi/bufManager.vim
@@ -18,6 +18,9 @@ endfunction
 
 
 function! tsuquyomi#bufManager#open(file_name)
+  if bufnr(a:file_name) == -1
+    return 0
+  endif
   let info = {
         \'is_opened': 1,
         \'is_dirty': 0,
@@ -27,6 +30,15 @@ function! tsuquyomi#bufManager#open(file_name)
   return info
 endfunction
 
+function! tsuquyomi#bufManager#opendFiles()
+  return copy(s:buf_info_map)
+endfunction
+
+function! tsuquyomi#bufManager#clearMap()
+  let s:buf_info_map = {}
+  return 1
+endfunction
+
 function! tsuquyomi#bufManager#bufName(file_name)
   let name = s:normalize(a:file_name)
   if !has_key(s:buf_info_map, name)
diff --git a/autoload/tsuquyomi/tsClient.vim b/autoload/tsuquyomi/tsClient.vim
index c6a648b..568c475 100644
--- a/autoload/tsuquyomi/tsClient.vim
+++ b/autoload/tsuquyomi/tsClient.vim
@@ -139,7 +139,7 @@ endfunction
 function! tsuquyomi#tsClient#sendCommandSyncEvents(cmd, args, delay, length)
   let l:input = s:JSON.encode({'command': a:cmd, 'arguments': a:args, 'type': 'request', 'seq': s:request_seq})
   let l:stdout_list = tsuquyomi#tsClient#sendRequest(l:input, a:delay, 200, a:length)
-  echo l:stdout_list
+  "echo l:stdout_list
   let l:length = len(l:stdout_list)
   let l:result_list = []
   if l:length > 0
diff --git a/doc/tsuquyomi.txt b/doc/tsuquyomi.txt
index e4d04dc..8b0056b 100644
--- a/doc/tsuquyomi.txt
+++ b/doc/tsuquyomi.txt
@@ -1,4 +1,4 @@
-*tsuquyomi.txt* TypeScript editing plugin for Vim
+*tsuquyomi* is a Vim plugin for TypeScript.
 
 Version: 0.2.0
 Author : Quramy <yosuke.kurami@gmail.com>
@@ -35,7 +35,14 @@ Interface		|tsuquyomi-interface|
 ==============================================================================
 INTRODUCTION					*tsuquyomi-introduction*
 
-Tsuquyomi supports you to edit TypeScript source files using TSServer.
+Tsuquyomi works as a client for TSServer(which is an editor service bundled into TypeScript).
+
+This plugin provides the following functions:
+
++ Functions to fetch information of your source codes from TSServer.
+  (compeletions, locations of definition or references, error, etc...)
+
++ Functions to start or stop the TSServer process.
 
 
 ==============================================================================
@@ -70,15 +77,15 @@ INTERFACE					*tsuquyomi-interface*
 ------------------------------------------------------------------------------
 COMMANDS					*tsuquyomi-commands*
 
-:TsuquyomiStartTss				*:TsuquyomiStartTss*
+:TsuquyomiStartServer				*:TsuquyomiStartServer*
 		Start TSServer process using |vimproc|.
 		If already the process is running, this command does not
 		anything.
 
-:TsuquyomiStopTss 				*:TsuquyomiStopTss*
+:TsuquyomiStopServer 				*:TsuquyomiStopServer*
 		Stop TSServer process if it exists.
 
-:TsuquyomiStatusTss				*:TsuquyomiStatusTss*
+:TsuquyomiStatusServer				*:TsuquyomiStatusServer*
 		Show TSServer status.
 		When TSServer is running, the message 'reading' will be
 		displayed.
@@ -139,9 +146,14 @@ g:tsuquyomi_auto_open		(default 1)
 					*g:tsuquyomi_use_dev_node_module*
 g:tsuquyomi_use_dev_node_module	(default 0)
 		Whether to use `tsserver.js` that was installed manually.
-		* 0: Tsuquyomi uses `tsserver` command(default).
+		* 0: Tsuquyomi uses global installed `tsserver` command(default).
 		* 1: Tsuquyomi uses
 		     `tsuquyomi/node_modules/typescript/bin/tsserver.js` .
+		     If you use this mode, exec the following:
+>
+		     :cd ~/.vim/bundle/tsuquyomi
+		     :!npm install
+<
 		* 2: Tsuquyomi uses `tsserver.js` whose path is 
 		     |g:tsuquyomi_tsserver_path| .
 
@@ -158,7 +170,7 @@ g:tsuquyomi_tsserver_path	(default `''`)
 
 						*g:tsuquyomi_nodejs_path*
 g:tsuquyomi_nodejs_path		(default 'node')
-		Node.js's path that Tsuquyomi exec.
+		A path to Node.js.
 
 					*g:tsuquyomi_waittime_after_open*
 g:tsuquyomi_waittime_after_open	(default 0.05)
@@ -177,12 +189,12 @@ Normal mode key mappings.
 
 						*<Plug>(TsuquyomiDefinition)*
 <Plug>(TsuquyomiDefinition)
-		Navigates to the location where the symbol on the cursor is
+		Navigate to the location where the symbol on the cursor is
 		defined. See |:TsuquyomiDefinition|.
 
 						*<Plug>(TsuquyomiReferences)*
 <Plug>(TsuquyomiReferences)
-		Shows a list of locations where the symbol on the cursor is
+		Show a list of locations where the symbol on the cursor is
 		referenced. See |:TsuquyomiReferences|.
 
 					*<Plug>(TsuquyomiRenameSymbol)*
@@ -202,9 +214,9 @@ Normal mode default mappings.
 FUNCTIONS					*tsuquyomi-functions*
 
 tsuquyomi#balloonexpr	 			*tsuquyomi#balloonexpr*
-		Returns informations about symbol under mouse pointer for
+		Returns information about symbol under then mouse cursor for
 		tooltip popover window.
-		This is used as rhs for |balloon-expr|.
+		This is used as the rhs for |balloon-expr|.
 		For example,
 >
 		set ballooneval
diff --git a/ftplugin/typescript.vim b/ftplugin/typescript.vim
index ad893cc..576e7e3 100644
--- a/ftplugin/typescript.vim
+++ b/ftplugin/typescript.vim
@@ -39,8 +39,6 @@ noremap <silent> <buffer> <Plug>(TsuquyomiRenameSymbol)   :TsuquyomiRenameSymbol
 
 augroup tsuquyomi_defaults
   autocmd!
-  autocmd BufNewFile,BufRead *.ts setlocal omnifunc=tsuquyomi#complete
-  "autocmd BufWritePost *.ts silent! call tsuquyomi#reload()
   autocmd BufWritePost *.ts silent! call tsuquyomi#reloadAndGeterr()
   autocmd TextChanged,TextChangedI *.ts silent! call tsuquyomi#letDirty()
 augroup END
diff --git a/plugin/tsuquyomi.vim b/plugin/tsuquyomi.vim
index 20d3138..df6ff63 100644
--- a/plugin/tsuquyomi.vim
+++ b/plugin/tsuquyomi.vim
@@ -41,9 +41,9 @@ let g:tsuquyomi_completion_chank_size =
 " augroup END
 
 " Define commands to operate TSServer
-command! TsuquyomiStartTss : call tsuquyomi#tsClient#startTss()
-command! TsuquyomiStatusTss : echom tsuquyomi#tsClient#statusTss()
-command! TsuquyomiStopTss : call tsuquyomi#tsClient#stopTss()
+command! TsuquyomiStartServer : call tsuquyomi#startServer()
+command! TsuquyomiStatusServer : echom tsuquyomi#statusServer()
+command! TsuquyomiStopServer : call tsuquyomi#stopServer()
 
 let &cpo = s:save_cpo
 unlet s:save_cpo
diff --git a/test/tsuquyomi/tsClient/tsCompletionEntryDetails.test.vim b/test/tsuquyomi/tsClient/tsCompletionEntryDetails.test.vim
index 4b236b9..675bd9f 100644
--- a/test/tsuquyomi/tsClient/tsCompletionEntryDetails.test.vim
+++ b/test/tsuquyomi/tsClient/tsCompletionEntryDetails.test.vim
@@ -10,8 +10,9 @@ let s:Filepath = s:V.import('System.Filepath')
 let s:script_dir = tsuquyomi#rootDir()
 
 "TODO remove later
-let g:tsuquyomi_use_dev_node_module = 2
-let g:tsuquyomi_tsserver_path = s:Filepath.join(s:script_dir, '../../git/typescript/built/local/tsserver.js')
+let g:tsuquyomi_use_dev_node_module = 0
+"let g:tsuquyomi_tsserver_path = s:Filepath.join(s:script_dir, '/git/typescript/built/local/tsserver.js')
+"let g:tsuquyomi_tsserver_path = s:Filepath.join(s:script_dir, '/git/typescript/built/local/tsserver.js')
 
 function! s:test1()
   let l:file = s:Filepath.join(s:script_dir, 'test/resources/SimpleModule_writing.ts')
diff --git a/test/tsuquyomi/tsClient/tsCompletions.test.vim b/test/tsuquyomi/tsClient/tsCompletions.test.vim
index d9af8b2..08c9da7 100644
--- a/test/tsuquyomi/tsClient/tsCompletions.test.vim
+++ b/test/tsuquyomi/tsClient/tsCompletions.test.vim
@@ -2,7 +2,7 @@ scriptencoding utf-8
 
 UTSuite [tsuquyomi#tsClient#tsCompletions] tsCompletions
 
-let g:tsuquyomi_use_dev_node_module=1
+"let g:tsuquyomi_use_dev_node_module=1
 let g:tsuquyomi_waittime_after_open=0.001
 
 let s:V = vital#of('tsuquyomi')
@@ -10,8 +10,8 @@ let s:Filepath = s:V.import('System.Filepath')
 let s:script_dir = tsuquyomi#rootDir()
 
 "TODO remove later
-let g:tsuquyomi_use_dev_node_module = 2
-let g:tsuquyomi_tsserver_path = s:Filepath.join(s:script_dir, '../../git/typescript/built/local/tsserver.js')
+"let g:tsuquyomi_use_dev_node_module = 2
+"let g:tsuquyomi_tsserver_path = s:Filepath.join(s:script_dir, '../../git/typescript/built/local/tsserver.js')
 
 function! s:test1()
   let l:file = s:Filepath.join(s:script_dir, 'test/resources/SimpleModule.ts')
diff --git a/test/tsuquyomi/tsClient/tsGeterr.test.vim b/test/tsuquyomi/tsClient/tsGeterr.test.vim
index dd424d2..b8ec484 100644
--- a/test/tsuquyomi/tsClient/tsGeterr.test.vim
+++ b/test/tsuquyomi/tsClient/tsGeterr.test.vim
@@ -2,7 +2,7 @@ scriptencoding utf-8
 
 UTSuite [tsuquyomi#tsClient#tsGeterr] tsGeterr
 
-let g:tsuquyomi_use_dev_node_module=1
+"let g:tsuquyomi_use_dev_node_module=1
 let g:tsuquyomi_waittime_after_open=0.001
 
 let s:V = vital#of('tsuquyomi')