diff --git a/config.conf b/config.conf
index 0a5f8e4..8faad22 100644
--- a/config.conf
+++ b/config.conf
@@ -224,6 +224,17 @@ bind=ALT+SHIFT,X,incgaps,1
 bind=ALT+SHIFT,Z,incgaps,-1
 bind=ALT+SHIFT,R,togglegaps
 
+# adjust tile window size
+# change master fact for tile,spiral,deck,dwindle
+bind=ALT+SUPER,h,setmfact,-0.05
+bind=ALT+SUPER,l,setmfact,+0.05
+# change sub master fact for dwindle,spiral
+bind=ALT+SUPER,k,setsmfact,-0.05
+bind=ALT+SUPER,j,setsmfact,+0.05
+# change scroller proportion
+bind=ctrl+super,j,increase_proportion,0.1
+bind=ctrl+super,k,increase_proportion,-0.1
+
 # movewin
 bind=CTRL+SHIFT,Up,movewin,+0,-50
 bind=CTRL+SHIFT,Down,movewin,+0,+50