diff --git a/README.md b/README.md
index 2cc8d0e..9ec4c0f 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,10 @@ You can find them in the example.
 
 ## Update History
 
+### v0.6.1
+- Fix [#127](https://github.com/sohobloo/react-native-modal-dropdown/issues/127) `renderButtonText` does not work on `select(idx)`  (Thanks to [@swb2016](https://github.com/swb2016))
+- Code optimization.
+
 ### v0.6.0
 - Introduce `renderButtonText` property to extract button text from object array data.
 
@@ -26,7 +30,7 @@ You can find them in the example.
 
 ## Installation
 ```sh
-npm i react-native-modal-dropdown -S
+npm i react-native-modal-dropdown -save
 ```
 
 ## Usage
diff --git a/example/package.json b/example/package.json
index e0459a2..67ae258 100644
--- a/example/package.json
+++ b/example/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-modal-dropdown-demo",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "A demo for react-native-modal-dropdown component.",
   "homepage": "https://github.com/sohobloo/react-native-modal-dropdown",
   "license": "MIT",
diff --git a/package.json b/package.json
index e40d4bf..5f0ed05 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-native-modal-dropdown",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "A react-native dropdown component for both iOS and Android.",
   "keywords": [
     "react",