diff --git a/Cargo.lock b/Cargo.lock
index ffdcffb..e4428f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -98,7 +98,7 @@ dependencies = [
 
 [[package]]
 name = "fourth"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "byte_string",
  "bytes 1.1.0",
diff --git a/Cargo.toml b/Cargo.toml
index e6a193b..84db5e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "fourth"
-version = "0.1.2"
+version = "0.1.3"
 edition = "2021"
 authors = ["LI Rui <lr_cn@outlook.com>"]
 license = "Apache-2.0"
diff --git a/README-EN.md b/README-EN.md
index d96abef..f7ebc78 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -4,6 +4,8 @@
 
 [![](https://img.shields.io/crates/v/fourth)](https://crates.io/crates/fourth) [![CI](https://img.shields.io/github/workflow/status/kernelerr/fourth/Rust)](https://github.com/KernelErr/fourth/actions/workflows/rust.yml)
 
+**Under heavy development, version 0.1 may update frequently**
+
 Fourth is a layer 4 proxy implemented by Rust to listen on specific ports and transfer TCP/KCP data to remote addresses(only TCP) according to configuration.
 
 ## Features
diff --git a/README.md b/README.md
index e163ad0..e1030c3 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@
 
 [English](/README-EN.md)
 
+**积极开发中，0.1版本迭代可能较快**
+
 Fourth是一个Rust实现的Layer 4代理，用于监听指定端口TCP/KCP流量，并根据规则转发到指定目标（目前只支持TCP）。
 
 ## 功能