diff --git a/README.md b/README.md
index 580ce2c..434b937 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Nanoid-php
 
+[![Build Status](https://travis-ci.org/hidehalo/emoji.svg)](https://travis-ci.org/hidehalo/nanoid-php)
+
 Thanks awesome [ai](https://github.com/ai) and his [nanoid](https://github.com/ai/nanoid), this package is a copy in PHP!
 If you like nanoid and you want to use it in PHP, try me :D
 
diff --git a/composer.json b/composer.json
index 560172c..cb558e0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "hidehalo/nanoid-php",
     "type": "library",
-    "description": "",
+    "description": "A copy of nanoid in PHP",
     "keywords": [
         "hidehalo",
         "nanoid-php"
@@ -13,7 +13,7 @@
             "name": "hidehalo",
             "email": "tianchen_cc@yeah.net",
             "homepage": "https://github.com/hidehalo",
-            "role": "Developer"
+            "role": "Owner"
         }
     ],
     "require": {
@@ -21,7 +21,7 @@
         "paragonie/random_compat": "^2.0"
     },
     "require-dev": {
-        "phpunit/phpunit" : ">=5.4.3",
+        "phpunit/phpunit" : ">=5.6",
         "squizlabs/php_codesniffer": "^2.3"
     },
     "autoload": {