update

sorrycc · sorrycc · commit 5a7147c6748c · 2015-04-15T15:28:51.000+08:00
diff --git a/setup.md b/setup.md
@@ -44,6 +44,10 @@ $ nvmw use 0.12.0
 $ nvmw switch 0.12.0
 ```
 
+### node-gyp 编译环境配置 (可选)
+
+https://github.com/TooTallNate/node-gyp#installation
+
 ## 安装 SPM
 
 ```bash
