diff --git a/README.md b/README.md
index 9e90c42b..491e86b9 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,10 @@ Cobra-W是从Cobra2.0发展而来的分支，着眼于白帽子使用的白盒
     - 修复处理BinaryOp节点时无法正确处理的bug
     - 部分修复了issue#9
     - 修复了对for节点以及if\else节点的支持
-
+- 2017-12-22
+    - Cobra-W 0.7.3
+    - 修复了部分处理ast的bug
+    - 完善了cvi-1009
 
 # README(开发文档)
 
diff --git a/cobra/__version__.py b/cobra/__version__.py
index 4f1e8c95..4df44e8f 100644
--- a/cobra/__version__.py
+++ b/cobra/__version__.py
@@ -7,7 +7,7 @@
 __issue_page__ = 'https://github.com/LoRexxar/Cobra-W/issues/new'
 __python_version__ = sys.version.split()[0]
 __platform__ = platform.platform()
-__version__ = '0.7.2'
+__version__ = '0.7.3'
 __author__ = 'LoRexxar'
 __author_email__ = 'LoRexxar@gmail.com'
 __license__ = 'MIT License'