diff --git a/omega-i18n/zh/messages.json b/omega-i18n/zh_CN/messages.json
similarity index 100%
rename from omega-i18n/zh/messages.json
rename to omega-i18n/zh_CN/messages.json
diff --git a/omega-target-chromium-extension/grunt/copy.coffee b/omega-target-chromium-extension/grunt/copy.coffee
index 6a7fc72..f6c6161 100644
--- a/omega-target-chromium-extension/grunt/copy.coffee
+++ b/omega-target-chromium-extension/grunt/copy.coffee
@@ -16,6 +16,11 @@ module.exports =
     cwd: '../omega-i18n'
     src: ['**/*']
     dest: 'build/_locales/'
+  i18n_zh:
+    expand: true
+    cwd: '../omega-i18n/zh_CN'
+    src: ['**/*']
+    dest: 'build/_locales/zh'
   overlay:
     expand: true
     cwd: 'overlay'
diff --git a/omega-target-chromium-extension/grunt/watch.coffee b/omega-target-chromium-extension/grunt/watch.coffee
index abbf64d..41d9bea 100644
--- a/omega-target-chromium-extension/grunt/watch.coffee
+++ b/omega-target-chromium-extension/grunt/watch.coffee
@@ -10,7 +10,7 @@ module.exports =
     tasks: ['copy:web']
   copy_i18n:
     files: ['../omega-i18n/**/*']
-    tasks: ['copy:i18n']
+    tasks: ['copy:i18n', 'copy:i18n_zh']
   copy_target:
     files: ['node_modules/omega-target/omega_target.min.js']
     tasks: ['copy:target']