diff --git a/README.md b/README.md
index 050d502..d2139b5 100644
--- a/README.md
+++ b/README.md
@@ -10,9 +10,14 @@ English | [简体中文](./README.zh_Hans.md)
 
 ## WIP
 
-> **Warning**
+> [!CAUTION]
 > This project is under active development, thus it is unstable and API may change frequently.
 
+> [!IMPORTANT]
+> v0.3.0 is under development, check out [this branch](https://github.com/283375/arcaea-offline/tree/0.3.0-refactor)!
+>
+> Once v0.3.0 is ready for release, this repository will be transferred to *[ArcaeaOffline](https://github.com/ArcaeaOffline)/core-python*
+
 ## What is this？
 
 This is the core library of `Arcaea Offline`, designed to manage player scores, calculate their potential, and provide various useful tools.
diff --git a/README.zh_Hans.md b/README.zh_Hans.md
index c0e4cdf..3fe4aed 100644
--- a/README.zh_Hans.md
+++ b/README.zh_Hans.md
@@ -8,9 +8,14 @@
 
 ## WIP
 
-> **Warning**
+> [!CAUTION]
 > 该项目正处于早期开发阶段，不能保证稳定性，且 API 可能随时变动。
 
+> [!IMPORTANT]
+> v0.3.0 正在[此分支](https://github.com/283375/arcaea-offline/tree/0.3.0-refactor)下开发！
+>
+> 在 v0.3.0 准备好发布后，此存储库将被迁移至 *[ArcaeaOffline](https://github.com/ArcaeaOffline)/core-python*。
+
 ## 这是什么？
 
 这是 `Arcaea Offline` 的核心依赖库，用于维护分数数据库、计算潜力值，并提供一些实用工具。