diff --git a/README.md b/README.md
index 494dd3b..5cdc5d9 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,6 @@
 ## Introduction
 
 This project mainly stores config files, or dot files for development, such as vim, zsh, tmux and so on.
-
 The purpose of this project is to build a Persional Develop Environment, AKA PDE, based on Linux and Windows.
 
 ## Content
@@ -16,7 +15,7 @@ The purpose of this project is to build a Persional Develop Environment, AKA PDE
 
 1. vim/neovim
 
-God of text editor. Emacs is also cool.
+God of text editor. Emacs is also cool especially for its org-mode.
 
 2. zsh with oh-my-zsh
 
@@ -25,14 +24,17 @@ Zsh is compatible with Bash. With plugins, it is an ultimate shell for *nix User
 3. Windows Terminal & PowerShell
 
 It's hard to obtain Zsh on Windows, but PowerShell won't fail me. Although it supports Multi-platform,
-but I only use it on Windows 10+。
+but I only use it on Windows 10+。Cmder is also cool for Windows 7 or 8.
 
-There are two PowerShells. One is WindowsPowerShell within Windows. The other is PowerShell on github.
-The former is only for Windows, and it needs to set text encoding to support utf-8. The latter supports
-Muti-platform, and is strongly recommended.
+There are two PowerShells. One is WindowsPowerShell within Windows. The other is PowerShell on github,
+which was called PowerShell Core. The former is only for Windows, and it needs to set text encoding to
+support utf-8. The latter supports Muti-platform, and is strongly recommended.
 
 4. tmux
 
+A powerful terminal mulitplexer. It supports multi-sessions, multi-windows, multi-tabs using one SSH
+connection. With oh-my-tmux, it becomes more efficient. Of course, you can also try Zellij.
+
 
 5. vscode/vscodium
 
@@ -41,20 +43,35 @@ But it took months to change vim/neovim vscode-like😂.
 
 6. kitty/wezterm/alacritty
 
-These are cool Terminal Emulators, I prefer wezterm and kitty.
+These are cool Terminal Emulators, and I prefer wezterm and kitty.
 
 7. yacHttp
 
 Yet Another HTTP client, written HTTP requests in *.http files, and run in neovim or vscode. No need
 to install postman or ApiFox.
 
+8. mycli/pgcli
+
+Mycli is a cool terminal client tools to visit MySQL/Mariadb servers, and pgcli is for PostgreSQL.
+
+9. IDEA/PyCharm Community
+
+Though vim/neovim is powerful, IDEA is the supreme IDE in Java development. IDEA Community version is
+enough for Spring Boot based projects. PyCharm Community is also a choice for Python development.
+All IDE products of JetBrains can be vim-like with idea-vim plugin.
+
+10. Dependency sources
+
+Experience of using maven, pip, Golang and npm can be improved with local images. For example, 
+tuna image source.
+
 ## Experimental Tools
 
 1. helix
 
-A post-modern terminal text editor with LSP inside.
+A post-modern terminal text editor with LSP inside. It may be more powerful than vim/neovim in the future.
 
 2. nushell
 
-A new Shell developed by Rust, with unique grammer.
+A new Shell developed by Rust, with unique grammer and behaves, which is worth trying.
 
diff --git a/config/nvim/lua/neo/alpha.lua b/config/nvim/lua/neo/alpha.lua
index 3bb4222..19dbe6f 100644
--- a/config/nvim/lua/neo/alpha.lua
+++ b/config/nvim/lua/neo/alpha.lua
@@ -31,14 +31,22 @@ end
 local dashboard = require("alpha.themes.dashboard")
 dashboard.section.header.val = pic
 dashboard.section.buttons.val = {
-  dashboard.button("f", "  Find file", ":Telescope find_files <CR>"),
-  dashboard.button("e", "  New file", ":ene <BAR> startinsert <CR>"),
-  dashboard.button("p", "  Find project", ":Telescope projects <CR>"),
-  dashboard.button("r", "  Recently used files", ":Telescope oldfiles <CR>"),
-  dashboard.button("t", "  Find text", ":Telescope live_grep <CR>"),
+  -- dashboard.button("f", "  Find file", ":Telescope find_files <CR>"),
+  -- dashboard.button("e", "  New file", ":ene <BAR> startinsert <CR>"),
+  -- dashboard.button("p", "  Find project", ":Telescope projects <CR>"),
+  -- dashboard.button("r", "  Recently used files", ":Telescope oldfiles <CR>"),
+  -- dashboard.button("t", "  Find text", ":Telescope live_grep <CR>"),
   -- dashboard.button("c", "  Configuration", ":e ~/.config/nvim/init.lua <CR>"),
-  dashboard.button("u", "  Update plugins", ":Lazy<CR>"),
-  dashboard.button("q", "  Quit Neovim", ":qa<CR>"),
+  -- dashboard.button("u", "  Update plugins", ":Lazy<CR>"),
+  -- dashboard.button("q", "  Quit Neovim", ":qa<CR>"),
+  dashboard.button("f", "🔎  Find file", ":Telescope find_files <CR>"),
+  -- dashboard.button("e", "📄  New file", ":ene <BAR> startinsert <CR>"),
+  dashboard.button("l", "⚙   Show plugins", ":Lazy<CR>"),
+  dashboard.button("p", "📁  Find project", ":Telescope projects <CR>"),
+  dashboard.button("r", "🕒  Recently used files", ":Telescope oldfiles <CR>"),
+  dashboard.button("t", "📝  Find text", ":Telescope live_grep <CR>"),
+  dashboard.button("u", "🔄  Update plugins", ":Lazy<CR>"),
+  dashboard.button("q", "⛔  Quit Neovim", ":qa<CR>"),
 }
 
 local vim_footer = [[