diff --git a/README.md b/README.md
index e6655c7..6da5a3d 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,8 @@ mongodb
 redis
 
 php模块包括：
-bcmath, bz2
+bcmath
+bz2
 calendar
 Core
 ctype