From 3ea1b669fef50ec458608848ee04d6d30228217b Mon Sep 17 00:00:00 2001
From: Bob Sun <bob@mssun.me>
Date: Thu, 16 Feb 2017 14:47:48 +0800
Subject: [PATCH] update README

---
 README.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/README.md b/README.md
index afa4459..f4e6272 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,22 @@ GPG for encryption and Git for version control.
 <img src="screenshot/screenshot3.png" width="200"/>
 <img src="screenshot/screenshot4.png" width="200"/>
 
+## Build
+
+1. Run carthage bootstrap.
+```
+carthage bootstrap --platform iOS
+```
+
+2. Run pod install in the project root directory.
+```
+pod install
+```
+
+3. Open .xcworkspace file in Xcode.
+
+4. Build & Run.
+
 ## Usage
 
 - genearte a PGP key pair