diff --git a/main.py b/main.py
index 7b2bbc2..d668409 100644
--- a/main.py
+++ b/main.py
@@ -26,7 +26,7 @@ def _open(*args, **kwargs):
 # 替换全局的 open
 builtins.open = _open
 
-ver = '0.3.0'
+ver = '0.3.0b'
 
 config = aux.ConfigFile("config.toml")