diff --git a/README.md b/README.md
index 962165f..bd5a5c6 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,10 @@ class CustomerActivity extends Activity implements MultiImageSelectorFragment.Ca
 
 ###Change Log
 
+* 2016-5-18
+    1. Added. Convenient way to call image selector. See `Step 2`
+    2. Fixed. Some NPE.
+
 * 2016-1-19
     1. Fixed. cannot load some 0-size image
     2. Added. When take a new photo, notify media scanner
diff --git a/README_zh.md b/README_zh.md
index 7df3d5b..c7e722c 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -133,6 +133,10 @@ class CustomerActivity extends Activity implements MultiImageSelectorFragment.Ca
 
 ###更新日志
 
+* 2016-5-18
+    1. 新增. 简单的调用方式. 详细参见 `第2步`
+    2. Fixed. 修复某些情况下碰到的空指针异常.
+
 * 2016-1-19
     1. 修复. 无法加载大小为0的图片
     2. 新增. 拍照后通知媒体扫描,加入图库