diff --git a/README.md b/README.md
index 23e56d3..0088496 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@
 
 2.在你的app  moudle下添加依赖
 ```
-  compile 'com.github.yuzhiqiang1993:zxing:1.3'
+  compile 'com.github.yuzhiqiang1993:zxing:1.2'
 ```
 
 3.在AndroidManifest.xml中声明相机权限