diff --git a/README.md b/README.md
index 08c4ca6..a469623 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,8 @@
 
 ![Chrome Web Store](https://img.shields.io/chrome-web-store/v/ennpfpdlaclocpomkiablnmbppdnlhoh.svg)
 ![Mozilla Add-on](https://img.shields.io/amo/v/rust-search-extension?color=%2320123A)
-![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v0.9.0-1D4F8C)
-[![rust-doc](https://img.shields.io/badge/stable-1.43.0-yellow.svg)](https://doc.rust-lang.org/1.43.0/std/)
+![Microsoft Edge](https://img.shields.io/badge/microsoft--edge-v0.10.0-1D4F8C)
+[![rust-doc](https://img.shields.io/badge/stable-1.44.0-yellow.svg)](https://doc.rust-lang.org/1.44.0/std/)
 [![license-mit](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-MIT)
 [![license-apache](https://img.shields.io/badge/license-Apache-yellow.svg)](https://github.com/huhu/rust-search-extension/blob/master/LICENSE-APACHE)
 [![Discord](https://img.shields.io/discord/711895914494558250?label=chat&logo=discord)](https://discord.com/invite/UAzW4A)
@@ -31,14 +31,14 @@ Search **docs**, **crates**, builtin **attributes**, official **books**, and **e
 - Search Structs, Traits and Enums
 - Search Functions, Methods and Macros
 - Search builtin attributes 
-- Search crates on https://crates.io
+- Search crates on https://crates.io or https://lib.rs
 - Search crate's docs on docs.rs
 - Search [Compiler Error Index](https://doc.rust-lang.org/error-index.html) with error codes
 - Search Rust official book chapters
 - Search Cargo Clippy lints
 - Offline mode, search local Rust docs (`rustup docs --std`)
 - Builtin commands (`:yet`, `:book`, `:stable`, `:book`, `:label`, `:tool` and `:history` etc)
-- Docs.rs enhancement (display Feature flags)
+- Docs.rs enhancements (display Feature flags)
 
 ## How to use it
 
diff --git a/docs/README.md b/docs/README.md
new file mode 100644
index 0000000..a420bb2
--- /dev/null
+++ b/docs/README.md
@@ -0,0 +1,20 @@
+# Rust Search Extension
+
+The docs and website of Rust Search Extension.
+
+## Get started
+
+1. Install [zola](https://www.getzola.org/)
+
+See zola's [installation documentation](https://www.getzola.org/documentation/getting-started/installation/).
+
+2. Build
+
+```sh
+$ cd docs && zola serve
+Web server is available at http://127.0.0.1:1111
+```
+
+3. Open browser
+
+Open http://127.0.0.1:1111
diff --git a/extension/popup/index.html b/extension/popup/index.html
index fcbc44e..33db9db 100644
--- a/extension/popup/index.html
+++ b/extension/popup/index.html
@@ -1,6 +1,5 @@
 <!DOCTYPE html>
 <html lang="en">
-
 <head>
     <meta charset="UTF-8">
     <link href="https://fonts.googleapis.com/css?family=Alfa+Slab+One&display=swap" rel="stylesheet">
@@ -30,7 +29,6 @@
     </style>
     <link rel="stylesheet" href="index.css">
 </head>
-
 <body>
     <div class="toast"></div>
     <div class="main">
@@ -38,8 +36,8 @@
             <img class="logo" src="../icon.png" alt="rust-search-extension">
             <h2 class="title">Rust Search Extension</h2>
             <div>
-                <a href="https://doc.rust-lang.org/1.43.0/std/">
-                    <img src="https://img.shields.io/badge/stable-1.43.0-yellow.svg" alt="stable-docs">
+                <a href="https://doc.rust-lang.org/1.44.0/std/">
+                    <img src="https://img.shields.io/badge/stable-1.44.0-yellow.svg" alt="stable-docs">
                 </a>
             </div>
         </div>
@@ -77,5 +75,4 @@
 <script src="../settings.js"></script>
 <script src="toast.js"></script>
 <script src="index.js"></script>
-
 </html>
\ No newline at end of file
