diff --git a/README.md b/README.md
index 45a9ef5..2a2c99d 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,10 @@ Install globally with `npm`.
 ```sh
 npm install devtool -g
 ```
+If you are in China, you may install by this much more fast:
+```sh
+ELECTRON_MIRROR='https://npm.taobao.org/mirrors/electron/' npm install devtool -g --registry=https://registry.npm.taobao.org
+```
 
 ## Usage
 
diff --git a/lib/file-watch.js b/lib/file-watch.js
index 353aded..dde2469 100644
--- a/lib/file-watch.js
+++ b/lib/file-watch.js
@@ -11,9 +11,10 @@ var ignores = [
 
 module.exports = function fileWatch (glob, opt) {
   opt = assign({
-    ignored: ignores,
+    ignored: opt.config.ignored || ignores,
     ignoreInitial: true
   }, opt);
+  glob = opt.config.paths || glob;
 
   if (opt.poll) {
     opt.usePolling = true;