diff --git a/autoload/SpaceVim/layers/lang/markdown.vim b/autoload/SpaceVim/layers/lang/markdown.vim
index 437c6bec8..d7cc043c6 100644
--- a/autoload/SpaceVim/layers/lang/markdown.vim
+++ b/autoload/SpaceVim/layers/lang/markdown.vim
@@ -149,6 +149,7 @@ function! s:mappings() abort
         \ . string(function('s:run_code_in_block'))
         \ . ', [])', 'run code in block', 1)
   call SpaceVim#mapping#space#langSPC('nmap', ['l','c'], 'GenTocGFM', 'create content at cursor', 1)
+  call SpaceVim#mapping#space#langSPC('nmap', ['l','C'], 'RemoveToc', 'remove content', 1)
   call SpaceVim#mapping#space#langSPC('nmap', ['l','u'], 'UpdateToc', 'update content', 1)
 endfunction
 
diff --git a/docs/cn/layers/lang/markdown.md b/docs/cn/layers/lang/markdown.md
index 5efc33d3f..b449d2a2b 100644
--- a/docs/cn/layers/lang/markdown.md
+++ b/docs/cn/layers/lang/markdown.md
@@ -96,7 +96,9 @@ npm install --global prettier
 | --------- | ------------- | --------------------------------------- |
 | `SPC b f` | Normal        | 格式化当前文件                          |
 | `SPC l c` | Normal/Visual | 在光标处创建目录                        |
+| `SPC l C` | Normal/Visual | 删除目录                                |
 | `SPC l k` | Normal/Visual | 为光标下的单词或者选中文本增加 URL 链接 |
 | `SPC l K` | Normal/Visual | 为光标下的单词或者选中文本增加图片链接  |
+| `SPC l r` | Normal/Visual | 运行区块中的代码                        |
 | `SPC l u` | Normal/Visual | 更新目录                                |
 | `SPC l p` | Normal        | 通过浏览器实时预览当前文件              |
diff --git a/docs/layers/lang/markdown.md b/docs/layers/lang/markdown.md
index 47dcfb792..a0e694c80 100644
--- a/docs/layers/lang/markdown.md
+++ b/docs/layers/lang/markdown.md
@@ -96,7 +96,9 @@ If you don't want to install php, you can use [mdctags](https://github.com/wsdje
 | ------------ | ------------- | ------------------------------------------------------ |
 | `SPC b f`    | Normal        | Format current buffer                                  |
 | `SPC l c`    | Normal/Visual | Create content at cursor                               |
+| `SPC l C`    | Normal/Visual | Remove content                                         |
 | `SPC l k`    | Normal/Visual | Add URL link for word under cursor or slected word     |
 | `SPC l K`    | Normal/Visual | Add picture link for word under cursor or slected word |
+| `SPC l r`    | Normal/Visual | Run code in block                                      |
 | `SPC l u`    | Normal/Visual | Update content                                         |
 | `SPC l p`    | Normal        | Real-time markdown preview                             |