diff --git a/.ci/install/linux.sh b/.ci/install/linux.sh
index a208461c1..4485207a7 100755
--- a/.ci/install/linux.sh
+++ b/.ci/install/linux.sh
@@ -9,7 +9,7 @@ export LC_ALL=C
 install_vim() {
     local URL=https://github.com/vim/vim
     local tag=$1
-    local ext=$([[ $tag == "HEAD" ]] && echo "" || echo "-b $tag")
+    local ext=$([[ $tag == "nightly" ]] && echo "" || echo "-b $tag")
     local tmp="$(mktemp -d)"
     local out="${DEPS}/_vim/$tag"
     mkdir -p $out
@@ -28,21 +28,16 @@ install_vim() {
 install_nvim() {
     local URL=https://github.com/neovim/neovim
     local tag=$1
-    local ext=$([[ $tag == "HEAD" ]] && echo "" || echo "-b $tag")
     local tmp="$(mktemp -d)"
     local out="${DEPS}/_neovim/$tag"
     mkdir -p $out
-    local ncpu=$(awk '/^processor/{n+=1}END{print n}' /proc/cpuinfo)
-    git clone --depth 1 --single-branch $ext $URL $tmp
-    cd $tmp
-    sed -i '30d' ./third-party/cmake/BuildLibvterm.cmake
-    make deps
-    make -j$ncpu \
-        CMAKE_BUILD_TYPE=Release \
-        CMAKE_EXTRA_FLAGS="-DTRAVIS_CI_BUILD=ON -DCMAKE_INSTALL_PREFIX:PATH=$out"
-    make install
-    pip3 install --upgrade "pip < 21.0"
-    pip3 install pynvim
+    curl  -o $tmp/nvim-linux64.tar.gz -L "https://github.com/neovim/neovim/releases/download/$tag/nvim-linux64.tar.gz"
+    tar -xzvf $tmp/nvim-linux64.tar.gz -C $tmp
+    cp -r $tmp/nvim-linux64/* $out
+    chmod +x $out/bin/nvim
+    # fix ModuleNotFoundError: No module named 'setuptools'
+    python3 -m pip install -U setuptools
+    python3 -m pip install pynvim
 }
 
 install() {
diff --git a/.ci/install/nvim-linux64.tar.gz b/.ci/install/nvim-linux64.tar.gz
new file mode 100644
index 000000000..853730769
--- /dev/null
+++ b/.ci/install/nvim-linux64.tar.gz
@@ -0,0 +1 @@
+Not Found
\ No newline at end of file
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 14e00dac3..cb56e1785 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -8,6 +8,8 @@ jobs:
       fail-fast: false
       matrix:
           include:
+              - vimbin: vim
+                vimtag: nightly
               - vimbin: vim
                 vimtag: v7.4.052
               - vimbin: vim
@@ -21,8 +23,20 @@ jobs:
               - vimbin: vim
                 vimtag: v8.1.2269
                 # vimtag: ["v7.4.052", "v7.4.629", "v7.4.1689", "v8.0.0027", "v8.0.1453", "v8.1.2269"]
-              # - vimbin: nvim
-                # vimtag: v0.4.3
+              - vimbin: nvim
+                vimtag: nightly
+              - vimbin: nvim
+                vimtag: v0.5.0
+              - vimbin: nvim
+                vimtag: v0.4.4
+              - vimbin: nvim
+                vimtag: v0.4.3
+              - vimbin: nvim
+                vimtag: v0.4.2
+              - vimbin: nvim
+                vimtag: v0.4.0
+              - vimbin: nvim
+                vimtag: v0.3.8
                 # vimtag: ["v0.4.3", "v0.4.3", "v0.4.3", "v0.4.2", "v0.3.8", "v0.3.7", "v0.3.5", "v0.3.4", "v0.3.3", "v0.3.2", "v0.3.1", "v0.3.0"]
     runs-on: ubuntu-18.04
     env:
@@ -35,7 +49,7 @@ jobs:
     - name: Install dependencies
       run: |
           sudo apt-get update
-          sudo apt-get install -y autoconf automake build-essential cmake gcc-multilib gettext gperf libtool-bin locales ninja-build pkg-config unzip python3-pip python-pip libncurses5-dev libgnome2-dev libgnomeui-dev libgtk2.0-dev libatk1.0-dev libbonoboui2-dev libcairo2-dev libx11-dev libxpm-dev libxt-dev python-dev python3-dev ruby-dev lua5.1 liblua5.1-dev libperl-dev ninja-build
+          sudo apt-get install ninja-build gettext libtool libtool-bin autoconf automake cmake g++ pkg-config unzip curl
     - name: Install ${{ matrix.vimbin }} ${{ matrix.vimtag }}
       run: |
         .ci/install/linux.sh $VIM_BIN $VIM_TAG
diff --git a/Makefile b/Makefile
index f8d83e2de..5ba176296 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ test: build/vader | build
 COVIMERAGE=$(shell command -v covimerage 2>/dev/null || echo build/covimerage/bin/covimerage)
 
 test_coverage: $(COVIMERAGE) build/vader | build
-	$(COVIMERAGE) run $(VIM_BIN) -Nu test/vimrc -c 'Vader! test/**'
+	$(COVIMERAGE) run --source after  --source autoload --source colors --source config --source ftplugin $(VIM_BIN) -Nu test/vimrc -c 'Vader! test/**'
 
 build/covimerage:
 	virtualenv $@
diff --git a/autoload/SpaceVim/api/data/dict.vim b/autoload/SpaceVim/api/data/dict.vim
index 21dd515c0..a3b2c5f7c 100644
--- a/autoload/SpaceVim/api/data/dict.vim
+++ b/autoload/SpaceVim/api/data/dict.vim
@@ -46,36 +46,36 @@ function! SpaceVim#api#data#dict#get() abort
 endfunction
 
 
-if get(g:, '_spacevim_if_lua', 0) || has('nvim')
-  function! s:entrys(dict) abort
-    lua require("spacevim.api.data.dict").entrys(
-          \ require("spacevim").eval("a:dict")
-          \ )
-  endfunction
-  function! s:pick(dict, keys) abort
-    lua require("spacevim.api.data.dict").pick(
-          \ require("spacevim").eval("a:dict"),
-          \ require("spacevim").eval("a:keys")
-          \ )
-  endfunction
-else
-  function! s:entrys(dict) abort
-    let entrys = []
-    for key in keys(a:dict)
-      call add(entrys, {key : a:dict[key]})
-    endfor
-    return entrys
-  endfunction
-  function! s:pick(dict, keys) abort
-    let new_dict = {}
-    for key in a:keys
-      if has_key(a:dict, key)
-        let new_dict[key] = a:dict[key]
-      endif
-    endfor
-    return new_dict
-  endfunction
-endif
+" if get(g:, '_spacevim_if_lua', 0) || has('nvim')
+" function! s:entrys(dict) abort
+" lua require("spacevim.api.data.dict").entrys(
+" \ require("spacevim").eval("a:dict")
+" \ )
+" endfunction
+" function! s:pick(dict, keys) abort
+" lua require("spacevim.api.data.dict").pick(
+" \ require("spacevim").eval("a:dict"),
+" \ require("spacevim").eval("a:keys")
+" \ )
+" endfunction
+" else
+function! s:entrys(dict) abort
+  let entrys = []
+  for key in keys(a:dict)
+    call add(entrys, {key : a:dict[key]})
+  endfor
+  return entrys
+endfunction
+function! s:pick(dict, keys) abort
+  let new_dict = {}
+  for key in a:keys
+    if has_key(a:dict, key)
+      let new_dict[key] = a:dict[key]
+    endif
+  endfor
+  return new_dict
+endfunction
+" endif
 
 function! s:make(keys, values, ...) abort
   let dict = {}
diff --git a/autoload/SpaceVim/api/iconv.vim b/autoload/SpaceVim/api/iconv.vim
index e03011e02..1ffe9b8d5 100644
--- a/autoload/SpaceVim/api/iconv.vim
+++ b/autoload/SpaceVim/api/iconv.vim
@@ -13,40 +13,40 @@ else
 endif
 
 
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#import() abort
 
-function {s:ns}import()
   return s:iconv
+
 endfunction
 
-function {s:ns}iconv(expr, from, to, ...)
+function! SpaceVim#api#iconv#iconv(expr, from, to, ...) abort
   let errors = get(a:000, 0, 'strict')
   try
     return s:iconv.iconv(a:expr, a:from, a:to, errors)
   endtry
 endfunction
 
-function {s:ns}iconvb(expr, from, to, ...)
+function! SpaceVim#api#iconv#iconvb(expr, from, to, ...) abort
   let errors = get(a:000, 0, 'strict')
   try
     return s:iconv.iconvb(a:expr, a:from, a:to, errors)
   endtry
 endfunction
 
-let s:bytes = {s:ns}bytes#import()
+let s:bytes = SpaceVim#api#iconv#bytes#import()
 
 let s:iconv = {}
 
-function s:iconv.iconv(expr, from, to, errors)
+function! s:iconv.iconv(expr, from, to, errors) abort
   return s:bytes.bytes2str(self.iconvb(a:expr, a:from, a:to, a:errors))
 endfunction
 
-function s:iconv.iconvb(expr, from, to, errors)
+function! s:iconv.iconvb(expr, from, to, errors) abort
   let expr = s:bytes.tobytes(a:expr)
   return self._iconv(expr, a:from, a:to, a:errors)
 endfunction
 
-function s:iconv._iconv(expr, from, to, errors)
+function! s:iconv._iconv(expr, from, to, errors) abort
   let from = tolower(a:from)
   let to = tolower(a:to)
 
@@ -71,66 +71,66 @@ function s:iconv._iconv(expr, from, to, errors)
 endfunction
 
 let s:iconv.codecs = {
-      \ "ascii": function(s:ns."codecs#ascii#import"),
-      \ "utf-8": function(s:ns."codecs#utf8#import"),
-      \ "utf-16": function(s:ns."codecs#utf16#import"),
-      \ "utf-16be": function(s:ns."codecs#utf16be#import"),
-      \ "utf-16le": function(s:ns."codecs#utf16le#import"),
-      \ "utf-32": function(s:ns."codecs#utf32#import"),
-      \ "utf-32be": function(s:ns."codecs#utf32be#import"),
-      \ "utf-32le": function(s:ns."codecs#utf32le#import"),
-      \ "latin1": function(s:ns."codecs#_8859_1#import"),
-      \ "iso-8859-1": function(s:ns."codecs#_8859_1#import"),
-      \ "iso-8859-2": function(s:ns."codecs#_8859_2#import"),
-      \ "iso-8859-3": function(s:ns."codecs#_8859_3#import"),
-      \ "iso-8859-4": function(s:ns."codecs#_8859_4#import"),
-      \ "iso-8859-5": function(s:ns."codecs#_8859_5#import"),
-      \ "iso-8859-6": function(s:ns."codecs#_8859_6#import"),
-      \ "iso-8859-7": function(s:ns."codecs#_8859_7#import"),
-      \ "iso-8859-8": function(s:ns."codecs#_8859_8#import"),
-      \ "iso-8859-9": function(s:ns."codecs#_8859_9#import"),
-      \ "iso-8859-10": function(s:ns."codecs#_8859_10#import"),
-      \ "iso-8859-11": function(s:ns."codecs#_8859_11#import"),
-      \ "iso-8859-13": function(s:ns."codecs#_8859_13#import"),
-      \ "iso-8859-14": function(s:ns."codecs#_8859_14#import"),
-      \ "iso-8859-15": function(s:ns."codecs#_8859_15#import"),
-      \ "cp037": function(s:ns."codecs#_cp037#import"),
-      \ "cp1026": function(s:ns."codecs#_cp1026#import"),
-      \ "cp1250": function(s:ns."codecs#_cp1250#import"),
-      \ "cp1251": function(s:ns."codecs#_cp1251#import"),
-      \ "cp1252": function(s:ns."codecs#_cp1252#import"),
-      \ "cp1253": function(s:ns."codecs#_cp1253#import"),
-      \ "cp1254": function(s:ns."codecs#_cp1254#import"),
-      \ "cp1255": function(s:ns."codecs#_cp1255#import"),
-      \ "cp1256": function(s:ns."codecs#_cp1256#import"),
-      \ "cp1257": function(s:ns."codecs#_cp1257#import"),
-      \ "cp1258": function(s:ns."codecs#_cp1258#import"),
-      \ "cp437": function(s:ns."codecs#_cp437#import"),
-      \ "cp500": function(s:ns."codecs#_cp500#import"),
-      \ "cp737": function(s:ns."codecs#_cp737#import"),
-      \ "cp775": function(s:ns."codecs#_cp775#import"),
-      \ "cp850": function(s:ns."codecs#_cp850#import"),
-      \ "cp852": function(s:ns."codecs#_cp852#import"),
-      \ "cp855": function(s:ns."codecs#_cp855#import"),
-      \ "cp857": function(s:ns."codecs#_cp857#import"),
-      \ "cp860": function(s:ns."codecs#_cp860#import"),
-      \ "cp861": function(s:ns."codecs#_cp861#import"),
-      \ "cp862": function(s:ns."codecs#_cp862#import"),
-      \ "cp863": function(s:ns."codecs#_cp863#import"),
-      \ "cp864": function(s:ns."codecs#_cp864#import"),
-      \ "cp865": function(s:ns."codecs#_cp865#import"),
-      \ "cp866": function(s:ns."codecs#_cp866#import"),
-      \ "cp869": function(s:ns."codecs#_cp869#import"),
-      \ "cp874": function(s:ns."codecs#_cp874#import"),
-      \ "cp875": function(s:ns."codecs#_cp875#import"),
-      \ "cp932": function(s:ns."codecs#_cp932#import"),
-      \ "cp936": function(s:ns."codecs#_cp936#import"),
-      \ "cp949": function(s:ns."codecs#_cp949#import"),
-      \ "cp950": function(s:ns."codecs#_cp950#import"),
-      \ "euc-jp": function(s:ns."codecs#_euc_jp#import"),
+      \ 'ascii': function('SpaceVim#api#iconv#codecs#ascii#import'),
+      \ 'utf-8': function('SpaceVim#api#iconv#codecs#utf8#import'),
+      \ 'utf-16': function('SpaceVim#api#iconv#codecs#utf16#import'),
+      \ 'utf-16be': function('SpaceVim#api#iconv#codecs#utf16be#import'),
+      \ 'utf-16le': function('SpaceVim#api#iconv#codecs#utf16le#import'),
+      \ 'utf-32': function('SpaceVim#api#iconv#codecs#utf32#import'),
+      \ 'utf-32be': function('SpaceVim#api#iconv#codecs#utf32be#import'),
+      \ 'utf-32le': function('SpaceVim#api#iconv#codecs#utf32le#import'),
+      \ 'latin1': function('SpaceVim#api#iconv#codecs#_8859_1#import'),
+      \ 'iso-8859-1': function('SpaceVim#api#iconv#codecs#_8859_1#import'),
+      \ 'iso-8859-2': function('SpaceVim#api#iconv#codecs#_8859_2#import'),
+      \ 'iso-8859-3': function('SpaceVim#api#iconv#codecs#_8859_3#import'),
+      \ 'iso-8859-4': function('SpaceVim#api#iconv#codecs#_8859_4#import'),
+      \ 'iso-8859-5': function('SpaceVim#api#iconv#codecs#_8859_5#import'),
+      \ 'iso-8859-6': function('SpaceVim#api#iconv#codecs#_8859_6#import'),
+      \ 'iso-8859-7': function('SpaceVim#api#iconv#codecs#_8859_7#import'),
+      \ 'iso-8859-8': function('SpaceVim#api#iconv#codecs#_8859_8#import'),
+      \ 'iso-8859-9': function('SpaceVim#api#iconv#codecs#_8859_9#import'),
+      \ 'iso-8859-10': function('SpaceVim#api#iconv#codecs#_8859_10#import'),
+      \ 'iso-8859-11': function('SpaceVim#api#iconv#codecs#_8859_11#import'),
+      \ 'iso-8859-13': function('SpaceVim#api#iconv#codecs#_8859_13#import'),
+      \ 'iso-8859-14': function('SpaceVim#api#iconv#codecs#_8859_14#import'),
+      \ 'iso-8859-15': function('SpaceVim#api#iconv#codecs#_8859_15#import'),
+      \ 'cp037': function('SpaceVim#api#iconv#codecs#_cp037#import'),
+      \ 'cp1026': function('SpaceVim#api#iconv#codecs#_cp1026#import'),
+      \ 'cp1250': function('SpaceVim#api#iconv#codecs#_cp1250#import'),
+      \ 'cp1251': function('SpaceVim#api#iconv#codecs#_cp1251#import'),
+      \ 'cp1252': function('SpaceVim#api#iconv#codecs#_cp1252#import'),
+      \ 'cp1253': function('SpaceVim#api#iconv#codecs#_cp1253#import'),
+      \ 'cp1254': function('SpaceVim#api#iconv#codecs#_cp1254#import'),
+      \ 'cp1255': function('SpaceVim#api#iconv#codecs#_cp1255#import'),
+      \ 'cp1256': function('SpaceVim#api#iconv#codecs#_cp1256#import'),
+      \ 'cp1257': function('SpaceVim#api#iconv#codecs#_cp1257#import'),
+      \ 'cp1258': function('SpaceVim#api#iconv#codecs#_cp1258#import'),
+      \ 'cp437': function('SpaceVim#api#iconv#codecs#_cp437#import'),
+      \ 'cp500': function('SpaceVim#api#iconv#codecs#_cp500#import'),
+      \ 'cp737': function('SpaceVim#api#iconv#codecs#_cp737#import'),
+      \ 'cp775': function('SpaceVim#api#iconv#codecs#_cp775#import'),
+      \ 'cp850': function('SpaceVim#api#iconv#codecs#_cp850#import'),
+      \ 'cp852': function('SpaceVim#api#iconv#codecs#_cp852#import'),
+      \ 'cp855': function('SpaceVim#api#iconv#codecs#_cp855#import'),
+      \ 'cp857': function('SpaceVim#api#iconv#codecs#_cp857#import'),
+      \ 'cp860': function('SpaceVim#api#iconv#codecs#_cp860#import'),
+      \ 'cp861': function('SpaceVim#api#iconv#codecs#_cp861#import'),
+      \ 'cp862': function('SpaceVim#api#iconv#codecs#_cp862#import'),
+      \ 'cp863': function('SpaceVim#api#iconv#codecs#_cp863#import'),
+      \ 'cp864': function('SpaceVim#api#iconv#codecs#_cp864#import'),
+      \ 'cp865': function('SpaceVim#api#iconv#codecs#_cp865#import'),
+      \ 'cp866': function('SpaceVim#api#iconv#codecs#_cp866#import'),
+      \ 'cp869': function('SpaceVim#api#iconv#codecs#_cp869#import'),
+      \ 'cp874': function('SpaceVim#api#iconv#codecs#_cp874#import'),
+      \ 'cp875': function('SpaceVim#api#iconv#codecs#_cp875#import'),
+      \ 'cp932': function('SpaceVim#api#iconv#codecs#_cp932#import'),
+      \ 'cp936': function('SpaceVim#api#iconv#codecs#_cp936#import'),
+      \ 'cp949': function('SpaceVim#api#iconv#codecs#_cp949#import'),
+      \ 'cp950': function('SpaceVim#api#iconv#codecs#_cp950#import'),
+      \ 'euc-jp': function('SpaceVim#api#iconv#codecs#_euc_jp#import'),
       \ }
 
-function! SpaceVim#api#iconv#get()
+function! SpaceVim#api#iconv#get() abort
 
   return deepcopy(s:self)
 
diff --git a/autoload/SpaceVim/api/iconv/bytes.vim b/autoload/SpaceVim/api/iconv/bytes.vim
index 0f5525372..c8e5832f3 100644
--- a/autoload/SpaceVim/api/iconv/bytes.vim
+++ b/autoload/SpaceVim/api/iconv/bytes.vim
@@ -1,38 +1,36 @@
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#bytes#import() abort
   return s:bytes
 endfunction
 
 let s:bytes = {}
 
-function s:bytes.tobytes(v)
+function! s:bytes.tobytes(v) abort
   if type(a:v) == type([])
     return a:v
-  elseif type(a:v) == type("")
+  elseif type(a:v) == type('')
     return self.str2bytes(a:v)
   else
     throw "Can't convert to bytes"
   endif
 endfunction
 
-function s:bytes.str2bytes(str)
+function! s:bytes.str2bytes(str) abort
   return map(range(len(a:str)), 'char2nr(a:str[v:val])')
 endfunction
 
-function s:bytes.bytes2str(bytes)
+function! s:bytes.bytes2str(bytes) abort
   return eval('"' . join(map(copy(a:bytes), 'printf(''\x%02x'', v:val)'), '') . '"')
 endfunction
 
-function s:bytes.bytes2hex(bytes)
+function! s:bytes.bytes2hex(bytes) abort
   return join(map(copy(a:bytes), 'printf("%02x", v:val)'), '')
 endfunction
 
-function s:bytes.hex2bytes(hex)
+function! s:bytes.hex2bytes(hex) abort
   return map(split(a:hex, '..\zs'), 'str2nr(v:val, 16)')
 endfunction
 
-function s:bytes.lines2bytes(lines)
+function! s:bytes.lines2bytes(lines) abort
   let bytes = []
   let first = 1
   for line in a:lines
@@ -40,12 +38,12 @@ function s:bytes.lines2bytes(lines)
       call add(bytes, 10)
     endif
     let first = 0
-    call extend(bytes, map(range(len(line)), 'line[v:val] == "\n" ? 0 : char2nr(line[v:val])'))
+    call extend(bytes, map(range(len(line)), 'line[v:val] ==# "\n" ? 0 : char2nr(line[v:val])'))
   endfor
   return bytes
 endfunction
 
-function s:bytes.bytes2lines(bytes)
+function! s:bytes.bytes2lines(bytes) abort
   let table = map(range(256), 'printf(''\x%02x'', v:val == 0 ? 10 : v:val)')
   let lines = []
   let start = 0
@@ -64,7 +62,7 @@ function s:bytes.bytes2lines(bytes)
   return lines
 endfunction
 
-function s:bytes.readfile(filename)
+function! s:bytes.readfile(filename) abort
   try
     let lines = readfile(a:filename, 'b')
   catch /^Vim\%((\a\+)\)\=:E484:/
@@ -74,7 +72,7 @@ function s:bytes.readfile(filename)
   return bytes
 endfunction
 
-function s:bytes.writefile(bytes, filename)
+function! s:bytes.writefile(bytes, filename) abort
   let lines = self.bytes2lines(a:bytes)
   if writefile(lines, a:filename, 'b') != 0
     throw "Can't write file"
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_1.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_1.vim
index 6fe13d234..e8d2b973e 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_1.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_1.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_1#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_10.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_10.vim
index c103292a1..665dacc1c 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_10.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_10.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_10#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_11.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_11.vim
index 668ea18ce..a439e04cc 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_11.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_11.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_11#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_13.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_13.vim
index 1e8cd7ef2..3395ec988 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_13.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_13.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_13#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_14.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_14.vim
index 8bc058d55..8dc1dc568 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_14.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_14.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_14#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_15.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_15.vim
index 1ed06e6a4..7412f5532 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_15.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_15.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_15#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_16.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_16.vim
index 63f5cf06f..5ede5b361 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_16.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_16.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_8859_16#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_2.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_2.vim
index 5c0877c52..e6e92db9a 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_2.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_2.vim
@@ -1,11 +1,11 @@
 let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
 let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
 
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_2#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_3.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_3.vim
index c803804cb..dcb1d187b 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_3.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_3.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_3#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_4.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_4.vim
index 60bab1512..f81d8192c 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_4.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_4.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_4#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_5.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_5.vim
index 718c9e937..4c641cf37 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_5.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_5.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_5#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_6.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_6.vim
index 29951f9d4..10ad942b6 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_6.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_6.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_6#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_7.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_7.vim
index 6dab3d8e5..1d092badf 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_7.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_7.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_7#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_8.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_8.vim
index 56d635724..0882570f9 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_8.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_8.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_8#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_8859_9.vim b/autoload/SpaceVim/api/iconv/codecs/_8859_9.vim
index 3ebe2e806..c34fc4a17 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_8859_9.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_8859_9.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_8859_9#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp037.vim b/autoload/SpaceVim/api/iconv/codecs/_cp037.vim
index 2ee1da656..e797bef59 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp037.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp037.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp037#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1026.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1026.vim
index 41f66c0af..00373523b 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1026.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1026.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1026#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1250.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1250.vim
index 0b972bf29..8f03e358f 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1250.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1250.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1250#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1251.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1251.vim
index 4b3f4740a..66c748c3f 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1251.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1251.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1251#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1252.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1252.vim
index 9a292d1fd..1d91ac7ab 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1252.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1252.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1252#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1253.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1253.vim
index e9c9c803d..c8d157efd 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1253.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1253.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1253#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1254.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1254.vim
index 5ea73d8d4..883d85a16 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1254.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1254.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1254#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1255.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1255.vim
index 896a22535..b415142b0 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1255.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1255.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1255#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1256.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1256.vim
index 62697ceac..eaaacee0b 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1256.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1256.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1256#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1257.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1257.vim
index e6a537e65..ff91ff6ce 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1257.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1257.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1257#import() abort
 
-function! {s:ns}import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp1258.vim b/autoload/SpaceVim/api/iconv/codecs/_cp1258.vim
index 1e7c1b613..ea2fba905 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp1258.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp1258.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp1258#import() abort
 
-function! {s:ns}import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp437.vim b/autoload/SpaceVim/api/iconv/codecs/_cp437.vim
index 0c866aa95..177db7450 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp437.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp437.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp437#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp500.vim b/autoload/SpaceVim/api/iconv/codecs/_cp500.vim
index d5370d5d1..e8a5e7801 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp500.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp500.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp500#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp737.vim b/autoload/SpaceVim/api/iconv/codecs/_cp737.vim
index e1d9740b6..f1b7b550d 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp737.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp737.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp737#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp775.vim b/autoload/SpaceVim/api/iconv/codecs/_cp775.vim
index e6a15d56f..445c0040f 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp775.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp775.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp775#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp850.vim b/autoload/SpaceVim/api/iconv/codecs/_cp850.vim
index 6172423f5..29795dbc8 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp850.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp850.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp850#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp852.vim b/autoload/SpaceVim/api/iconv/codecs/_cp852.vim
index 722b46e68..a5429c189 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp852.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp852.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp852#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp855.vim b/autoload/SpaceVim/api/iconv/codecs/_cp855.vim
index ea2ed7151..b95a15d24 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp855.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp855.vim
@@ -1,11 +1,10 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp855#import() abort
+
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp857.vim b/autoload/SpaceVim/api/iconv/codecs/_cp857.vim
index fca4e8dec..d162d66fd 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp857.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp857.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp857#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp860.vim b/autoload/SpaceVim/api/iconv/codecs/_cp860.vim
index bf6d44b21..ba6d29d31 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp860.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp860.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp860#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp861.vim b/autoload/SpaceVim/api/iconv/codecs/_cp861.vim
index 1e2f54396..923d8cc19 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp861.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp861.vim
@@ -1,11 +1,8 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#_cp861#import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp862.vim b/autoload/SpaceVim/api/iconv/codecs/_cp862.vim
index da31a75f6..e3fac2559 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp862.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp862.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp862#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp863.vim b/autoload/SpaceVim/api/iconv/codecs/_cp863.vim
index 46e265de3..f7d84efd6 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp863.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp863.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp863#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp864.vim b/autoload/SpaceVim/api/iconv/codecs/_cp864.vim
index 499286fd3..b6d3db783 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp864.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp864.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp864#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp865.vim b/autoload/SpaceVim/api/iconv/codecs/_cp865.vim
index f21a0807a..d4e2863f7 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp865.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp865.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp865#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp866.vim b/autoload/SpaceVim/api/iconv/codecs/_cp866.vim
index 2f796f1a2..37a0aafb4 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp866.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp866.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp866#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp869.vim b/autoload/SpaceVim/api/iconv/codecs/_cp869.vim
index eabfee7cc..4b52e571f 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp869.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp869.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp869#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp874.vim b/autoload/SpaceVim/api/iconv/codecs/_cp874.vim
index e3fe4210e..76d1fcfc7 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp874.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp874.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp874#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp875.vim b/autoload/SpaceVim/api/iconv/codecs/_cp875.vim
index db1c6ecb6..0c3391c1c 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp875.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp875.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp875#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp932.vim b/autoload/SpaceVim/api/iconv/codecs/_cp932.vim
index c8dcc2026..0d0b6613b 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp932.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp932.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp932#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp936.vim b/autoload/SpaceVim/api/iconv/codecs/_cp936.vim
index 72c724ef3..035cc88e5 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp936.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp936.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp936#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp949.vim b/autoload/SpaceVim/api/iconv/codecs/_cp949.vim
index 9cf3d38a3..6cd5dd9f5 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp949.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp949.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_cp949#import() abort
 
-function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_cp950.vim b/autoload/SpaceVim/api/iconv/codecs/_cp950.vim
index 9c4639d52..593f2d635 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_cp950.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_cp950.vim
@@ -5,7 +5,7 @@ function {s:ns}import()
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/_euc_jp.vim b/autoload/SpaceVim/api/iconv/codecs/_euc_jp.vim
index 09afa7461..796aa651c 100644
--- a/autoload/SpaceVim/api/iconv/codecs/_euc_jp.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/_euc_jp.vim
@@ -1,11 +1,9 @@
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
+function! SpaceVim#api#iconv#codecs#_euc_jp#import() abort
 
-function! {s:ns}import() abort
   return s:lib
 endfunction
 
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:lib = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/ascii.vim b/autoload/SpaceVim/api/iconv/codecs/ascii.vim
index 10d6475a0..63f226394 100644
--- a/autoload/SpaceVim/api/iconv/codecs/ascii.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/ascii.vim
@@ -1,12 +1,8 @@
-
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function! {s:ns}import() abort
+function! SpaceVim#api#iconv#codecs#ascii#import() abort
   return s:ascii
 endfunction
-
-let s:tablebase = {s:nsiconv}codecs#tablebase#import()
+" SpaceVim#api#iconv#
+let s:tablebase = SpaceVim#api#iconv#codecs#tablebase#import()
 
 let s:ascii = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/base.vim b/autoload/SpaceVim/api/iconv/codecs/base.vim
index f7baa0277..8f3f42741 100644
--- a/autoload/SpaceVim/api/iconv/codecs/base.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/base.vim
@@ -1,12 +1,8 @@
-
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function! {s:ns}import() abort
+function! SpaceVim#api#iconv#codecs#base#import() abort
   return s:base
 endfunction
 
-let s:error = {s:nsiconv}codecs#error#import()
+let s:error = SpaceVim#api#iconv#codecs#error#import()
 
 let s:base = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/error.vim b/autoload/SpaceVim/api/iconv/codecs/error.vim
index 749c47b0b..a070999a3 100644
--- a/autoload/SpaceVim/api/iconv/codecs/error.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/error.vim
@@ -1,7 +1,4 @@
-
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#error#import() abort
   return s:error
 endfunction
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/tablebase.vim b/autoload/SpaceVim/api/iconv/codecs/tablebase.vim
index d9e9cfc73..b03ce4cae 100644
--- a/autoload/SpaceVim/api/iconv/codecs/tablebase.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/tablebase.vim
@@ -1,12 +1,8 @@
-
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
+function! SpaceVim#api#iconv#codecs#tablebase#import() abort
   return s:tablebase
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:tablebase = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf16.vim b/autoload/SpaceVim/api/iconv/codecs/utf16.vim
index 83ea6c5db..a68362fa3 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf16.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf16.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf16#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf16
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf16 = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf16be.vim b/autoload/SpaceVim/api/iconv/codecs/utf16be.vim
index c5921d075..2318684fe 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf16be.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf16be.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf16be#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf16be
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf16be = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf16le.vim b/autoload/SpaceVim/api/iconv/codecs/utf16le.vim
index 694cd4be4..0c87529a7 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf16le.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf16le.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf16le#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf16le
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf16le = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf32.vim b/autoload/SpaceVim/api/iconv/codecs/utf32.vim
index fa0c5531d..268ed617a 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf32.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf32.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf32#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf32
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf32 = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf32be.vim b/autoload/SpaceVim/api/iconv/codecs/utf32be.vim
index 276dee6f3..bd342acd0 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf32be.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf32be.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf32be#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf32be
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf32be = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf32le.vim b/autoload/SpaceVim/api/iconv/codecs/utf32le.vim
index c97e2cfa0..b97f76dae 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf32le.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf32le.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf32le#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf32le
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf32le = {}
 
diff --git a/autoload/SpaceVim/api/iconv/codecs/utf8.vim b/autoload/SpaceVim/api/iconv/codecs/utf8.vim
index 2659f522f..e554a69d9 100644
--- a/autoload/SpaceVim/api/iconv/codecs/utf8.vim
+++ b/autoload/SpaceVim/api/iconv/codecs/utf8.vim
@@ -1,12 +1,9 @@
+function! SpaceVim#api#iconv#codecs#utf8#import() abort
 
-let s:nsiconv = expand('<sfile>:p:h:h:gs?[\\/]?#?:s?^.*#autoload\(#\|$\)??:s?$?#?')
-let s:ns = expand('<sfile>:p:r:gs?[\\/]?#?:s?^.*#autoload#??:s?$?#?')
-
-function {s:ns}import()
   return s:utf8
 endfunction
 
-let s:base = {s:nsiconv}codecs#base#import()
+let s:base = SpaceVim#api#iconv#codecs#base#import()
 
 let s:utf8 = {}
 
diff --git a/autoload/SpaceVim/layers/fzf.vim b/autoload/SpaceVim/layers/fzf.vim
index 379194d40..c1d17a625 100644
--- a/autoload/SpaceVim/layers/fzf.vim
+++ b/autoload/SpaceVim/layers/fzf.vim
@@ -463,11 +463,27 @@ function! s:ansi(str, group, default, ...) abort
         \ (empty(bg) ? '' : s:csi(bg, 0))
   return printf("\x1b[%s%sm%s\x1b[m", color, a:0 ? ';1' : '', a:str)
 endfunction
-for s:color_name in keys(s:ansi)
-  execute 'function! s:'.s:color_name."(str, ...)\n"
-        \ "  return s:ansi(a:str, get(a:, 1, ''), '".s:color_name."')\n"
-        \ 'endfunction'
-endfor
+function! s:black(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'black')
+endfunction
+function! s:blue(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'blue')
+endfunction
+function! s:green(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'green')
+endfunction
+function! s:cyan(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'cyan')
+endfunction
+function! s:yellow(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'yellow')
+endfunction
+function! s:magenta(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'magenta')
+endfunction
+function! s:red(str, ...)
+  return s:ansi(a:str, get(a:, 1, ''), 'red')
+endfunction
 function! s:helptag_sink(line) abort
   let [tag, file, path] = split(a:line, "\t")[0:2]
   unlet file
diff --git a/docs/index.md b/docs/index.md
index 33177b146..633807317 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -71,12 +71,11 @@ Contribute code, report bugs and request features at [GitHub](https://github.com
 
 - Which version of Vim/Neovim is needed?
 
-  SpaceVim has been tested in [travis-ci](https://travis-ci.com/SpaceVim/SpaceVim) and
-[appveyor](https://ci.appveyor.com/project/wsdjeg/spacevim/branch/master) with following
+  SpaceVim has been tested in [github action](https://github.com/SpaceVim/SpaceVim/actions) with following
 versions of neovim and vim:
 
     1. vim: ~~`7.4.052`~~, `7.4.629`, `7.4.1689`,`8.0.0027`,`8.0.1453`, `8.1.2269`
-    2. neovim: `0.3.0`, `0.3.1`, `0.3.2`, `0.3.3`, `0.3.4`, `0.3.5`, `0.3.7`, `0.3.8`, `0.4.2`, `0.4.3`
+    2. neovim: `nightly`, `v0.5.0`, `v0.4.4`, `v0.4.3`, `v0.4.2`, `v0.4.0`, `v0.3.8`
 
 For more general questions, please read SpaceVim [FAQ](faq/).
 
diff --git a/main.vim b/main.vim
index 8d21a2722..ba63c1274 100644
--- a/main.vim
+++ b/main.vim
@@ -9,6 +9,7 @@
 " Enable nocompatible
 if has('vim_starting')
   " set default encoding to utf-8
+
   " Let Vim use utf-8 internally, because many scripts require this
   exe 'set encoding=utf-8'
   scriptencoding utf-8
diff --git a/test/api/data/dict.vader b/test/api/data/dict.vader
index 2df1473a4..127116770 100644
--- a/test/api/data/dict.vader
+++ b/test/api/data/dict.vader
@@ -1,4 +1,4 @@
-Execute ( SpaceVim api: data#list ):
+Execute ( SpaceVim api: data#dict ):
   let dict = SpaceVim#api#import('data#dict')
   AssertEqual dict.make(['a','b'], [1, 2]), {'a':1, 'b':2}
   AssertEqual dict.swap({'a' : 1, 'b' : 2}), {'1' : 'a', '2' : 'b'}
diff --git a/test/api/iconv.vader b/test/api/iconv.vader
new file mode 100644
index 000000000..9bd923462
--- /dev/null
+++ b/test/api/iconv.vader
@@ -0,0 +1,6 @@
+Execute ( SpaceVim api: iconv.iconv() ):
+  let iconv = SpaceVim#api#import('iconv')
+  for from in keys(SpaceVim#api#iconv#import().codecs)
+    AssertEqual iconv.iconv('', from, 'utf-8'), ''
+  endfor
+
diff --git a/test/plugin/guide.vader b/test/plugin/guide.vader
index 6ca404d0f..502eddd17 100644
--- a/test/plugin/guide.vader
+++ b/test/plugin/guide.vader
@@ -1,5 +1,5 @@
-Execute ( SpaceVim key binding guide ):
-  " let g:_spacevim_input_list = ['h', 'd', 'k', ' ', 'b', 'n']
-  " LeaderGuide " "
-  " AssertEqual &ft, 'HelpDescribe'
+Execute ( SpaceVim plugin: key bindings guide ):
+  let g:_spacevim_input_list = ['t', 't']
+  LeaderGuide " "
+  AssertEqual &ft, 'SpaceVimTabsManager'
 
diff --git a/test/plugin/help.vader b/test/plugin/help.vader
new file mode 100644
index 000000000..8cd959ea1
--- /dev/null
+++ b/test/plugin/help.vader
@@ -0,0 +1,5 @@
+Execute ( SpaceVim plugin: help ):
+  let g:_spacevim_input_list = ['h', 'd', 'k', ' ', 'b', 'n']
+  LeaderGuide " "
+  AssertEqual &ft, 'HelpDescribe'
+