diff --git a/autoload/tui/core/plug.vim b/autoload/tui/core/plug.vim
index 293c53e..fe2a731 100644
--- a/autoload/tui/core/plug.vim
+++ b/autoload/tui/core/plug.vim
@@ -169,7 +169,6 @@ export def Install()
         title: 'Plugins - ' .. tui#core#cached#Get('tui.plug.home'),
         minwidth: minwidth,
         callback: (_, index) => {
-            echo index
             if index > 0
                 var plug_id = tui_plug_ids[index - 1]
                 var plug_info = tui_plug_registed[plug_id]
diff --git a/layers/plug/init.vim b/layers/plug/init.vim
index 4aa7e73..6bef8d0 100644
--- a/layers/plug/init.vim
+++ b/layers/plug/init.vim
@@ -6,3 +6,4 @@ TuiLayer plug.nerdtree
 
 TuiLayer plug.poplar
 
+TuiLayer plug.whichkey
diff --git a/layers/plug/whichkey.vim b/layers/plug/whichkey.vim
new file mode 100644
index 0000000..e4c1cbd
--- /dev/null
+++ b/layers/plug/whichkey.vim
@@ -0,0 +1,20 @@
+vim9script
+
+const g:which_key_map = {
+    f: {
+        name: 'File',
+        o: ['Poplar', 'open']
+    },
+    v: {
+        name: 'View',
+        f: [":NERDTreeToggle", "nerdtree"]
+    }
+}
+
+tui#core#plug#Regist('liuchengxu/vim-which-key', {
+    config: () => {
+        which_key#register('<Space>', "g:which_key_map")
+        nnoremap <silent> <Space> :WhichKey '<Space>'<CR>
+    }
+})
+