diff --git a/4_graphic_interface.md b/4_graphic_interface.md
index 0ac3579..a23f1ce 100644
--- a/4_graphic_interface.md
+++ b/4_graphic_interface.md
@@ -10,3 +10,9 @@ set auto-start
 echo exec cinnamon-session-cinnamon2d > ~/.xinitrc
 ```
 
+other gui tools
+---
+```
+# for open archive in gui
+pacman -S cfile-roller
+```