diff --git a/README.md b/README.md
index 041173e..1a23dda 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
 # OpenAppFilter
-app filter kernel  module
+通过netfilter框架实现app过滤，类似企业级路由器行为管理模块