diff --git a/.config/helix/config.toml b/.config/helix/config.toml
index f26997fc..9df242df 100644
--- a/.config/helix/config.toml
+++ b/.config/helix/config.toml
@@ -218,6 +218,9 @@ m = '@ks*'
 t = '@:insert-output cat <C-r>% | markdown-toc --bullets - --no-firsth1 -<ret>'
 
 [keys.normal.space]
+# create line above and below selection
+O = '@ks<ret>'
+o = '@xks<ret>'
 t = "move_parent_node_end"
 T = "move_parent_node_start"
 # yazi integration