diff --git a/CHANGELOG.md b/CHANGELOG.md
index 502ca89..d32489a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+0.0.1
+-----
+
+- Include default validation I18n messages (en, zh-CN, zh-TW).
+
 0.1.0
 -----
 
diff --git a/config/locales/rucaptcha.en.yml b/config/locales/rucaptcha.en.yml
new file mode 100644
index 0000000..1169adc
--- /dev/null
+++ b/config/locales/rucaptcha.en.yml
@@ -0,0 +1,3 @@
+en:
+  rucaptcha:
+    invalid: "Captcha invalid!"
diff --git a/config/locales/rucaptcha.zh-CN.yml b/config/locales/rucaptcha.zh-CN.yml
new file mode 100644
index 0000000..44f3061
--- /dev/null
+++ b/config/locales/rucaptcha.zh-CN.yml
@@ -0,0 +1,3 @@
+'zh-CN':
+  rucaptcha:
+    invalid: "驗證碼不正確"
diff --git a/config/locales/rucaptcha.zh-TW.yml b/config/locales/rucaptcha.zh-TW.yml
new file mode 100644
index 0000000..cc615da
--- /dev/null
+++ b/config/locales/rucaptcha.zh-TW.yml
@@ -0,0 +1,3 @@
+'zh-CN':
+  rucaptcha:
+    invalid: "验证码不正确"
diff --git a/lib/rucaptcha/controller_helpers.rb b/lib/rucaptcha/controller_helpers.rb
index b44444b..489ee79 100644
--- a/lib/rucaptcha/controller_helpers.rb
+++ b/lib/rucaptcha/controller_helpers.rb
@@ -14,7 +14,7 @@ module RuCaptcha
     def verify_rucaptcha?(resource = nil)
       right = params[:_rucaptcha].strip == session[:_rucaptcha]
       if resource && resource.respond_to?(:errors)
-        resource.errors.add('rucaptcha', 'invalid') unless right
+        resource.errors.add(:base, t('rucaptcha.invalid')) unless right
       end
       right
     end
diff --git a/lib/rucaptcha/version.rb b/lib/rucaptcha/version.rb
index 3c4f9ff..7981c66 100644
--- a/lib/rucaptcha/version.rb
+++ b/lib/rucaptcha/version.rb
@@ -1,4 +1,4 @@
 module RuCaptcha
-  VERSION = '0.1.0'
+  VERSION = '0.1.1'
 end