diff --git a/autoload/SpaceVim/api/messletters.vim b/autoload/SpaceVim/api/messletters.vim
index 30f232793..7f4f56e05 100644
--- a/autoload/SpaceVim/api/messletters.vim
+++ b/autoload/SpaceVim/api/messletters.vim
@@ -31,7 +31,7 @@ let s:chars['bubble_num'] = function('s:bubble_num')
 " 1: 1 ➛ ➀
 " 2: 1 ➛ ⓵
 function! s:circled_num(num, type) abort
-  " http://www.unicode.org/charts/beta/nameslist/n_2460.html
+  " https://www.unicode.org/charts/beta/nameslist/n_2460.html
   if a:type == 0
     if a:num == 0
       return nr2char(9471)
@@ -78,7 +78,7 @@ let s:chars['index_num'] = function('s:index_num')
 
 
 function! s:parenthesized_num(num) abort
-  " http://www.unicode.org/charts/beta/nameslist/n_2460.html
+  " https://www.unicode.org/charts/beta/nameslist/n_2460.html
   if index(range(1, 20), a:num) != -1
     return nr2char(9331 + a:num)
   else
@@ -89,7 +89,7 @@ endfunction
 let s:chars['parenthesized_num'] = function('s:parenthesized_num')
 
 function! s:num_period(num) abort
-  " http://www.unicode.org/charts/beta/nameslist/n_2460.html
+  " https://www.unicode.org/charts/beta/nameslist/n_2460.html
   if index(range(1, 20), a:num) != -1
     return nr2char(9351 + a:num)
   else
@@ -100,7 +100,7 @@ endfunction
 let s:chars['num_period'] = function('s:num_period')
 
 function! s:parenthesized_letter(letter) abort
-  " http://www.unicode.org/charts/beta/nameslist/n_2460.html
+  " https://www.unicode.org/charts/beta/nameslist/n_2460.html
   if index(range(1, 26), char2nr(a:letter) - 96) != -1
     return nr2char(9371 + char2nr(a:letter) - 96)
   else
@@ -111,7 +111,7 @@ endfunction
 let s:chars['parenthesized_letter'] = function('s:parenthesized_letter')
 
 function! s:circled_letter(letter) abort
-  " http://www.unicode.org/charts/beta/nameslist/n_2460.html
+  " https://www.unicode.org/charts/beta/nameslist/n_2460.html
   if index(range(1, 26), char2nr(a:letter) - 64) != -1
     return nr2char(9397 + char2nr(a:letter) - 64)
   elseif index(range(1, 26), char2nr(a:letter) - 96) != -1
diff --git a/autoload/SpaceVim/bin/get_complete b/autoload/SpaceVim/bin/get_complete
index 9c734cdc9..05a70a86e 100755
--- a/autoload/SpaceVim/bin/get_complete
+++ b/autoload/SpaceVim/bin/get_complete
@@ -2,7 +2,7 @@
 
 # Author: Brian Beffa <brbsix@gmail.com>
 # Original source: https://brbsix.github.io/2015/11/29/accessing-tab-completion-programmatically-in-bash/
-# License: LGPLv3 (http://www.gnu.org/licenses/lgpl-3.0.txt)
+# License: LGPLv3 (https://www.gnu.org/licenses/lgpl-3.0.txt)
 #
 
 get_completions(){
diff --git a/autoload/SpaceVim/layers/lang/scala.vim b/autoload/SpaceVim/layers/lang/scala.vim
index 0e9ddccd9..a7e8569a9 100644
--- a/autoload/SpaceVim/layers/lang/scala.vim
+++ b/autoload/SpaceVim/layers/lang/scala.vim
@@ -84,7 +84,7 @@ scriptencoding utf-8
 "   normal    SPC l u       find Usages of cursor symbol
 "
 " <
-" SpaceVim uses [`ensime-vim`](http://ensime.github.io/editors/vim/install/)
+" SpaceVim uses [`ensime-vim`](https://ensime.github.io/editors/vim/install/)
 " to provide code completion, format, sort imports etc, if has python support.
 " Also you can enable lsp layer to has a better experience.
 "
@@ -100,7 +100,7 @@ scriptencoding utf-8
 " @subsection Ensime-vim setup steps
 "
 " The following is quick install steps, if you want to see complete details,
-" please see: [`ensime-vim`](http://ensime.github.io/editors/vim/install/)
+" please see: [`ensime-vim`](https://ensime.github.io/editors/vim/install/)
 "
 " 1. Install vim`s plugin and its dependencies as following.
 "
diff --git a/config/plugins/open-browser.vim b/config/plugins/open-browser.vim
index e356fd3aa..b00ac8261 100644
--- a/config/plugins/open-browser.vim
+++ b/config/plugins/open-browser.vim
@@ -13,9 +13,9 @@ nmap gx <Plug>(openbrowser-smart-search)
 " If it looks like URI, Open selected URI.
 " Otherwise, Search selected word.
 vmap gx <Plug>(openbrowser-smart-search)
-" vnoremap gob :OpenBrowser http://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
-" nnoremap gob :OpenBrowser http://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
-" vnoremap gog :OpenBrowser http://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
-" nnoremap gog :OpenBrowser http://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
+" vnoremap gob :OpenBrowser https://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
+" nnoremap gob :OpenBrowser https://www.baidu.com/s?wd=<C-R>=expand("<cword>")<cr><cr>
+" vnoremap gog :OpenBrowser https://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
+" nnoremap gog :OpenBrowser https://www.google.com/?#newwindow=1&q=<C-R>=expand("<cword>")<cr><cr>
 " vnoremap goi :OpenBrowserSmartSearch http://www.iciba.com/<C-R>=expand("<cword>")<cr><cr>
 " nnoremap goi :OpenBrowserSmartSearch http://www.iciba.com/<C-R>=expand("<cword>")<cr><cr>
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index f89b4eef1..54124fc96 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -3226,7 +3226,7 @@ MAPPINGS
   normal    SPC l u       find Usages of cursor symbol
 
 <
-SpaceVim uses [`ensime-vim`](http://ensime.github.io/editors/vim/install/) to
+SpaceVim uses [`ensime-vim`](https://ensime.github.io/editors/vim/install/) to
 provide code completion, format, sort imports etc, if has python support. Also
 you can enable lsp layer to has a better experience.
 
@@ -3242,7 +3242,7 @@ than other servers(LanguageClient-neovim or vim-lsp). Please make sure that
 ENSIME-VIM SETUP STEPS
 
 The following is quick install steps, if you want to see complete details,
-please see: [`ensime-vim`](http://ensime.github.io/editors/vim/install/)
+please see: [`ensime-vim`](https://ensime.github.io/editors/vim/install/)
 
   1. Install vim`s plugin and its dependencies as following.
 
diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 666ff89d4..fa0f907e7 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -259,7 +259,7 @@
         id="textbox"
         type="text"
         placeholder="Search on Google..."
-        onkeydown="if (event.keyCode == 13 || event.which == 13) { location='http://www.google.com/search?q=' + encodeURIComponent(document.getElementById('textbox').value) + '+site%3Aspacevim.org';}"
+        onkeydown="if (event.keyCode == 13 || event.which == 13) { location='https://www.google.com/search?q=' + encodeURIComponent(document.getElementById('textbox').value) + '+site%3Aspacevim.org';}"
       />
     </p>
     {% else %}
@@ -276,7 +276,7 @@
         id="textbox"
         type="text"
         placeholder="Search on Google..."
-        onkeydown="if (event.keyCode == 13 || event.which == 13) { location='http://www.google.com/search?q=' + encodeURIComponent(document.getElementById('textbox').value) + '+site%3Aspacevim.org';}"
+        onkeydown="if (event.keyCode == 13 || event.which == 13) { location='https://www.google.com/search?q=' + encodeURIComponent(document.getElementById('textbox').value) + '+site%3Aspacevim.org';}"
       />
     </p>
     {% endif %}
diff --git a/docs/cn/documentation.md b/docs/cn/documentation.md
index 719f97c14..57f0de612 100644
--- a/docs/cn/documentation.md
+++ b/docs/cn/documentation.md
@@ -2215,7 +2215,7 @@ SpaceVim 通过默认通过 [checkers](../layers/checkers/) 模块来进行文
 
 ### 格式规范
 
-SpaceVim 添加了 [EditorConfig](http://editorconfig.org/) 支持，通过一个配置文件来为不同的文件格式设置对应的代码格式规范，
+SpaceVim 添加了 [EditorConfig](https://editorconfig.org/) 支持，通过一个配置文件来为不同的文件格式设置对应的代码格式规范，
 这一工具兼容多种文本编辑器和集成开发环境。
 
 更多配置方式，可以阅读其官方文档：[editorconfig-vim package’s documentation](https://github.com/editorconfig/editorconfig-vim/blob/master/README.md).
diff --git a/docs/cn/layers/git.md b/docs/cn/layers/git.md
index fef99c231..0f6bef7e8 100644
--- a/docs/cn/layers/git.md
+++ b/docs/cn/layers/git.md
@@ -16,7 +16,7 @@ lang: zh
 
 ## 模块描述
 
-这一模块为 SpaceVim 提供了 [Git](http://git-scm.com/) 支持，根据当前 Vim 版本特性，选择 gina 或者 gita 作为默认的后台 Git 插件。
+这一模块为 SpaceVim 提供了 [Git](https://git-scm.com/) 支持，根据当前 Vim 版本特性，选择 gina 或者 gita 作为默认的后台 Git 插件。
 
 ## 启用模块
 
diff --git a/docs/cn/layers/lang/elm.md b/docs/cn/layers/lang/elm.md
index 2e4d0fd99..be3117a50 100644
--- a/docs/cn/layers/lang/elm.md
+++ b/docs/cn/layers/lang/elm.md
@@ -38,7 +38,7 @@ lang: zh
 
 ### 依赖安装
 
-首先，需要安装 [elm](http://elm-lang.org/) 语言，最方便的安装方式是使用官方的 npm 包。
+首先，需要安装 [elm](https://elm-lang.org/) 语言，最方便的安装方式是使用官方的 npm 包。
 
 ```sh
 npm install -g elm
diff --git a/docs/cn/layers/lang/php.md b/docs/cn/layers/lang/php.md
index 3abb9995e..c283c0618 100644
--- a/docs/cn/layers/lang/php.md
+++ b/docs/cn/layers/lang/php.md
@@ -38,8 +38,8 @@ lang: zh
 
 ### 环境依赖
 
-1.  [PHP 5.3+](http://php.net/)
-2.  [PCNTL](http://php.net/manual/en/book.pcntl.php) Extension
-3.  [Msgpack 0.5.7+(for NeoVim)](https://github.com/msgpack/msgpack-php) Extension or [JSON(for Vim 7.4+)](http://php.net/manual/en/intro.json.php) Extension
+1.  [PHP 5.3+](https://php.net/)
+2.  [PCNTL](https://php.net/manual/en/book.pcntl.php) Extension
+3.  [Msgpack 0.5.7+(for NeoVim)](https://github.com/msgpack/msgpack-php) Extension or [JSON(for Vim 7.4+)](https://php.net/manual/en/intro.json.php) Extension
 4.  [Composer](https://getcomposer.org/) Project
 
diff --git a/docs/cn/layers/lang/scheme.md b/docs/cn/layers/lang/scheme.md
index 4ab63d347..01efd34b4 100644
--- a/docs/cn/layers/lang/scheme.md
+++ b/docs/cn/layers/lang/scheme.md
@@ -25,7 +25,7 @@ image: https://user-images.githubusercontent.com/13142418/46590501-4e50b100-cae6
 目前支持的Scheme实现包括：
 
 
-- [MIT Scheme](http://www.gnu.org/software/mit-scheme/)
+- [MIT Scheme](https://www.gnu.org/software/mit-scheme/)
 - [Chez Scheme](https://cisco.github.io/ChezScheme/)
 - [guile](https://www.gnu.org/software/guile/)
 
diff --git a/docs/documentation.md b/docs/documentation.md
index e50345767..841decefb 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -2301,7 +2301,7 @@ Custom sign symbol:
 
 ### EditorConfig
 
-SpaceVim has supported [EditorConfig](http://editorconfig.org/), a configuration file to “define and maintain consistent coding styles between different editors and IDEs.”
+SpaceVim has supported [EditorConfig](https://editorconfig.org/), a configuration file to “define and maintain consistent coding styles between different editors and IDEs.”
 
 To customize your editorconfig experience, read the [editorconfig-vim package’s documentation](https://github.com/editorconfig/editorconfig-vim/blob/master/README.md).
 
diff --git a/docs/feed.xml b/docs/feed.xml
index af60566ec..99c2d2ea1 100644
--- a/docs/feed.xml
+++ b/docs/feed.xml
@@ -9,7 +9,7 @@ layout: null
 >
 	<channel>
 		<title>{{ site.title | xml_escape }}</title>
-		<description>{% if site.description %}{{ site.description | xml_escape }}{% endif %}</description>		
+		<description>{% if site.description %}{{ site.description | xml_escape }}{% endif %}</description>
 		<sy:updatePeriod>{{ site.feed_update_period | default: "daily" | xml_escape }}</sy:updatePeriod>
 		<sy:updateFrequency>{{ site.feed_update_frequency | default: 1 | xml_escape }}</sy:updateFrequency>
 		<link>{{ site.url }}</link>
diff --git a/docs/layers/git.md b/docs/layers/git.md
index 202411fd7..18576fb91 100644
--- a/docs/layers/git.md
+++ b/docs/layers/git.md
@@ -16,7 +16,7 @@ description: "This layers adds extensive support for git"
 
 ## Description
 
-This layers adds extensive support for [git](http://git-scm.com/).
+This layers adds extensive support for [git](https://git-scm.com/).
 
 ## Install
 
diff --git a/docs/layers/lang/elm.md b/docs/layers/lang/elm.md
index e1f2467c0..32a2634f5 100644
--- a/docs/layers/lang/elm.md
+++ b/docs/layers/lang/elm.md
@@ -37,7 +37,7 @@ SpaceVim also provides REPL support for Elm.
 
 ### Requirements
 
-First, make sure you have the [Elm Platform](http://elm-lang.org/install) installed. The simplest method to get started is to use the official [npm](https://www.npmjs.com/package/elm) package.
+First, make sure you have the [Elm Platform](https://elm-lang.org/install) installed. The simplest method to get started is to use the official [npm](https://www.npmjs.com/package/elm) package.
 
 ```sh
 npm install -g elm
diff --git a/docs/layers/lang/scheme.md b/docs/layers/lang/scheme.md
index c97991b01..30a6c94b3 100644
--- a/docs/layers/lang/scheme.md
+++ b/docs/layers/lang/scheme.md
@@ -23,7 +23,7 @@ image: https://user-images.githubusercontent.com/13142418/46590501-4e50b100-cae6
 This layer adds [Scheme](http://www.scheme-reports.org) support to SpaceVim.
 The following scheme dialect support has been added:
 
-- [MIT Scheme](http://www.gnu.org/software/mit-scheme/)
+- [MIT Scheme](https://www.gnu.org/software/mit-scheme/)
 - [Chez Scheme](https://cisco.github.io/ChezScheme/)
 - [guile](https://www.gnu.org/software/guile/)