diff --git a/Cargo.toml b/Cargo.toml
index 0d5b8829..788300c3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "peng_quad"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 rust-version = "1.76"
 authors = ["Yang Zhou <yangzhou.info@gmail.com>"]
@@ -15,7 +15,7 @@ categories = [
     "aerospace::unmanned-aerial-vehicles",
     "algorithms",
 ]
-keywords = ["quadrotor", "uav", "minimal", "simulation"]
+keywords = ["quadrotor", "quadcopter", "robotics", "uav", "minimal", "simulation"]
 readme = "README.md"
 
 [dependencies]
diff --git a/README.md b/README.md
index 0a5c7272..fb54f9fc 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,9 @@
 ![GitHub last commit](https://img.shields.io/github/last-commit/makeecat/peng)
 ![](https://img.shields.io/badge/Rust-1.80+-orange.svg)
 [![License](https://img.shields.io/badge/license-MIT%2FApache-blue.svg)](https://github.com/makeecat/Peng#license)
-[![Docs](https://github.com/makeecat/Peng/actions/workflows/docs.yml/badge.svg)](https://makeecat.github.io/Peng/)
+[![Crates.io](https://img.shields.io/crates/v/peng_quad.svg)](https://crates.io/crates/peng_quad)
+[![Downloads](https://img.shields.io/crates/d/peng_quad.svg)](https://crates.io/crates/peng_quad)
+[![Docs](https://docs.rs/peng_quad/badge.svg)](https://docs.rs/peng_quad/latest/peng_quad/)
 [![CI](https://github.com/makeecat/Peng/actions/workflows/CI.yml/badge.svg)](https://github.com/makeecat/Peng/actions/workflows/CI.yml)
 [![dependency status](https://deps.rs/repo/github/makeecat/peng/status.svg)](https://deps.rs/repo/github/makeecat/peng)
 ## What is Peng
@@ -27,6 +29,8 @@ git clone https://github.com/makeecat/Peng.git
 cargo run --release config/quad.yaml
 ```
 
+You can configure the simulation through config file, see quad.yaml for example.
+
 ## Overview
 
 ### Quadrotor Simulator
@@ -65,9 +69,6 @@ Logs comprehensive simulation data including quadrotor state, desired positions,
 - [ ] Environment Effect simulation such as wind field
 - [ ] Add motor speed simulation
 - [ ] MPC controller
-- [ ] Advanced obstacle avoidance planner such as RRT*
-- [ ] Dynamic Maze generation
-- [ ] Modularize the pipeline
 
 ## License