diff --git a/ffmpegcv/version.py b/ffmpegcv/version.py
index 419fc09..feab280 100644
--- a/ffmpegcv/version.py
+++ b/ffmpegcv/version.py
@@ -1 +1 @@
-__version__='0.3.12'
\ No newline at end of file
+__version__='0.3.12a'
\ No newline at end of file
diff --git a/setup.py b/setup.py
index 5732527..8896ff1 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name='ffmpegcv', # 应用名
-    version='0.3.12', # 版本号
+    version='0.3.12a', # 版本号
     packages=find_packages(include=['ffmpegcv*']), # 包括在安装包内的 Python 包
     author='chenxf',
     author_email='cxf529125853@163.com',