diff --git a/README.md b/README.md
index 610a2f4..8465334 100644
--- a/README.md
+++ b/README.md
@@ -18,14 +18,14 @@ https://github.com/user-attachments/assets/c9bf9415-fad1-4400-bcdc-3ad2d76de85a
 
 # Maomaowm
 
-This project is developed based on `dwl(0.5)` , 
-adding many operation that supported in hyprland and a hyprland-like keybinds,
-niri-like scroll layout and sway-like scratchpad.
+This project is developed based on `dwl` , it is basically compatible with all `dwm` features.
+In addition, it is added many operation that supported in `hyprland`, such as `smooth and customizable animation`、`External configuration that can be hot overloaded`,`pin mode`,`maximize window` etc...
+
 See below for more features.
 
 # separate window layout for each workspace(tags), with separate workspace parameters
 ## support layout
-- tile(master)
+- tile
 - scroller
 - monocle
 - grid
@@ -48,17 +48,16 @@ See below for more features.
 
 # some special feature
 - hycov like overview
-- foreign-toplevel support(dunst,waybar wlr taskbar)
+- foreign-toplevel protocol(dunst,waybar wlr taskbar)
 - minimize window to waybar(like hych)
-- sway scratchpad support (minimize window to scratchpad)
-- window pin mode support
-- text-input-v2/v3 for fcitx5
-- window move/open animaition
-- workspace switch animaition
-- fade in animation
+- sway scratchpad (minimize window to scratchpad)
+- window pin mode/ maximize mode
+- text-input-v2/v3 protocol for fcitx5
+- window move/open/close animaition
+- workspaces(tags) switch animaition
+- fade/fadeout animation
 - alt-tab switch window like gnome
 - niri like scroller layout
-- fadeout animation
 
 ## suggest tools
 ```
@@ -67,7 +66,10 @@ yay -S rofi foot xdg-desktop-portal-wlr swaybg waybar wl-clip-persist cliphist w
 ```
 
 # install 
-# wlroots(0.17)
+## stable - wlroots(0.17)
+Since 0.18 has some bugs that affect the experience, 
+I chose the more stable 0.17.4.
+
 ```
 git clone -b 0.17.4 https://gitlab.freedesktop.org/wlroots/wlroots.git
 cd wlroots
@@ -79,12 +81,18 @@ cd maomaowm
 meson build -Dprefix=/usr
 sudo ninja -C build install
 
-# set your autostart app ih this
-mkdir -p ~/.config/maomao/
-
+```
+## unstable wlroots(0.19)
+This is the latest version of wlroots, it doesn't own enough test.
+you can try it out if you want to help to test.
 
 ```
-
+yay -S wlroots-git
+git clone -b wlroots-0.19 https://github.com/DreamMaoMao/maomaowm.git
+cd maomaowm
+meson build -Dprefix=/usr
+sudo ninja -C build install
+```
 
 # config
 you can use `MAOMAOCONFIG` env to set the config-folder-path and the autostart-folder-patch
@@ -133,6 +141,79 @@ You can design your animaition curve in:
 or you can just choice a curve in:
 [easings.net](https://easings.net).
 
+
+# overview mode
+```
+hotarea_size=10
+enable_hotarea=1
+ov_tab_mode=0
+```
+- enable_hotarea: when your cursor enter the bottom left corner of monitor, it will toggle overview.
+- hotarea_size: the size of hotarea, 10x10 default.
+- ov_tab_mode: 
+  - it will circle switch focus when you toggle overview.
+  - and will leave ov mode when you release your mod key.
+
+### notice
+  when you in ov mode, you can use right mouse button to close window, and left mouse button to jump to a window.
+
+# About warbar
+
+- you can also use the dwl moudle in waybar to show tags and window title
+refer to waybar wiki: [dwl-module](https://github.com/Alexays/Waybar/wiki/Module:-Dwl)
+
+```json
+"modules-left": ["dwl/tags","dwl/window"],
+"dwl/tags": {
+    "num-tags":9,
+},
+
+```
+
+```css
+#tags{
+    background-color: transparent;
+}
+
+#tags button{
+    background-color: #fff ;
+    color: 	#a585cd ;
+}
+
+
+#tags button.occupied{
+    background-color: #fff ;
+    color: 	#cdc885 ;
+}
+
+#tags button.focused{
+    background-color: rgb(186, 142, 213);
+    color: 	#fff ;
+}
+
+#tags button.urgent{
+    background: rgb(171, 101, 101);
+    color: #fff;
+}
+
+#window{
+    background-color: rgb(237, 196, 147);
+    color: 	rgb(63, 37, 5);
+}
+
+window#waybar.empty #window {
+    background-color: transparent;
+    color: transparent;
+    border-bottom:none;
+    box-shadow: none;
+    padding-right: 0px;
+    padding-left: 0px;
+    margin-left: 0px;
+    margin-right: 0px;
+}
+
+```
+
 # NixOS+Home-manager
 ```nix
 {
@@ -200,12 +281,12 @@ or you can just choice a curve in:
 
 # thanks for some refer repo 
 
-- https://gitlab.freedesktop.org/wlroots/wlroots - Implementation of wayland protocol
+- https://gitlab.freedesktop.org/wlroots/wlroots - implementation of wayland protocol
 
-- https://github.com/dqrk0jeste/owl - for basal window animaition
+- https://github.com/dqrk0jeste/owl - basal window animaition
 
-- https://github.com/djpohly/dwl - for basal dwl feature
+- https://github.com/djpohly/dwl - basal dwl feature
 
-- https://github.com/guyuming76/dwl - for text-input
+- https://github.com/guyuming76/dwl - sample of text-input protocol
 
-- https://github.com/swaywm/sway - for foreign-toplevel
+- https://github.com/swaywm/sway - sample of wayland protocol