diff --git a/astrbot/core/config/default.py b/astrbot/core/config/default.py
index 636ac9257..f9663b7a0 100644
--- a/astrbot/core/config/default.py
+++ b/astrbot/core/config/default.py
@@ -6,7 +6,7 @@ import os
 
 from astrbot.core.utils.astrbot_path import get_astrbot_data_path
 
-VERSION = "4.0.0"
+VERSION = "4.0.0-beta.1"
 DB_PATH = os.path.join(get_astrbot_data_path(), "data_v4.db")
 
 # 默认配置
diff --git a/changelogs/v4.0.0-beta.1.md b/changelogs/v4.0.0-beta.1.md
new file mode 100644
index 000000000..461605c84
--- /dev/null
+++ b/changelogs/v4.0.0-beta.1.md
@@ -0,0 +1,3 @@
+# What's Changed
+
+> **这是 v4.0.0 的测试版本（beta.1），功能尚未完全稳定和加入**。v4.0.0 被设计为向前兼容，如有任何插件兼容性问题或者其他异常请在 GitHub 提交 [Issue](https://github.com/AstrBotDevs/AstrBot/issues)。在测试版本期间，您可以无缝回退到旧版本的 AstrBot，并且数据不受影响。
diff --git a/pyproject.toml b/pyproject.toml
index 336b38433..57f5dcd40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "AstrBot"
-version = "4.0.0"
+version = "4.0.0-beta.1"
 description = "易上手的多平台 LLM 聊天机器人及开发框架"
 readme = "README.md"
 requires-python = ">=3.10"