diff --git a/package.json b/package.json
index e35aaa2..1959568 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mr-doc-utils",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "Utilities for Mr. Doc",
   "main": "index.js",
   "scripts": {
diff --git a/src/option.js b/src/option.js
index e5cf686..8d69fb9 100644
--- a/src/option.js
+++ b/src/option.js
@@ -67,6 +67,7 @@ class Option {
           if (ref === true || ref === 'true') return ref;
           return false;
         })(),
+        watch: options.watch || options.w,
       },
       compiler: {
         file: {