diff --git a/config/initializers/rucaptcha.rb b/config/initializers/rucaptcha.rb
new file mode 100644
index 0000000..81b948d
--- /dev/null
+++ b/config/initializers/rucaptcha.rb
@@ -0,0 +1,21 @@
+RuCaptcha.configure do
+  # Color style, default: :colorful, allows: [:colorful, :black_white]
+  # self.style = :colorful
+  # Custom captcha code expire time if you need, default: 2 minutes
+  # self.expires_in = 120
+  # [Requirement / 重要]
+  # Store Captcha code where, this config more like Rails config.cache_store
+  # default: Read config info from `Rails.application.config.cache_store`
+  # But RuCaptcha requirements cache_store not in [:null_store, :memory_store, :file_store]
+  # 默認：會從 Rails 配置的 cache_store 里面讀取相同的配置信息，並嘗試用可以運行的方式，用於存儲驗證碼字符
+  # 但如果是 [:null_store, :memory_store, :file_store] 之类的，你可以通過下面的配置項單獨給 RuCaptcha 配置 cache_store
+  self.cache_store = :file_store
+  # 如果想要 disable cache_store 的 warning，就設置為 true，default false
+  # self.skip_cache_store_check = true
+  # Chars length, default: 5, allows: [3 - 7]
+  # self.length = 5
+  # enable/disable Strikethrough.
+  # self.strikethrough = true
+  # enable/disable Outline style
+  # self.outline = false
+end
\ No newline at end of file
diff --git a/config/locales/rucaptcha.en.yml b/config/locales/rucaptcha.en.yml
index 7855af9..474305b 100644
--- a/config/locales/rucaptcha.en.yml
+++ b/config/locales/rucaptcha.en.yml
@@ -1,3 +1,5 @@
 en:
   rucaptcha:
     invalid: "The captcha code is incorrect (if you can't read, you can click image to refresh it)"
+    placeholder: please fill in the identifying code
+    captcha: Captcha
diff --git a/config/locales/zh_tw.yml b/config/locales/zh_tw.yml
new file mode 100644
index 0000000..18b8595
--- /dev/null
+++ b/config/locales/zh_tw.yml
@@ -0,0 +1,4 @@
+zh_tw:
+  rucaptcha:
+    placeholder: 請填寫驗證碼
+    captcha: 驗證碼
\ No newline at end of file
diff --git a/lib/rucaptcha/controller_helpers.rb b/lib/rucaptcha/controller_helpers.rb
index fc32738..6f335ec 100644
--- a/lib/rucaptcha/controller_helpers.rb
+++ b/lib/rucaptcha/controller_helpers.rb
@@ -44,6 +44,9 @@ module RuCaptcha
     #   verify_rucaptcha?(nil, keep_session: true)
     #   verify_rucaptcha?(nil, captcha: params[:user][:captcha])
     #
+    def gotcha_valid?(resource = nil, opts = {})
+      verify_rucaptcha?(resource, opts)
+    end
     def verify_rucaptcha?(resource = nil, opts = {})
       opts ||= {}
 
diff --git a/lib/rucaptcha/engine.rb b/lib/rucaptcha/engine.rb
index 24b4abe..ec1eca9 100644
--- a/lib/rucaptcha/engine.rb
+++ b/lib/rucaptcha/engine.rb
@@ -8,7 +8,6 @@ module RuCaptcha
       app.routes.prepend do
         mount RuCaptcha::Engine => '/rucaptcha'
       end
-
       RuCaptcha.check_cache_store! unless RuCaptcha.config.skip_cache_store_check
     end
   end
diff --git a/lib/rucaptcha/view_helpers.rb b/lib/rucaptcha/view_helpers.rb
index 304ac71..1e93d43 100644
--- a/lib/rucaptcha/view_helpers.rb
+++ b/lib/rucaptcha/view_helpers.rb
@@ -17,5 +17,19 @@ module RuCaptcha
       opts[:onclick] = "this.src = '#{ru_captcha.root_path}?t=' + Date.now();"
       tag(:img, opts)
     end
+
+    def gotcha(opts = {})
+      if opts[:placeholder].blank?
+        opts[:placeholder] = I18n.t('rucaptcha.placeholder')
+      end
+      rucaptcha_input_tag(opts)
+    end
+    def gotcha_error(opts = {})
+      if opts[:alt].blank?
+        opts[:alt] = I18n.t('rucaptcha.captcha')
+      end
+      rucaptcha_image_tag(opts)
+    end
+
   end
 end
diff --git a/rucaptcha.gemspec b/rucaptcha.gemspec
index b6b6ed1..fd5610a 100644
--- a/rucaptcha.gemspec
+++ b/rucaptcha.gemspec
@@ -3,6 +3,14 @@ $LOAD_PATH.unshift lib unless $LOAD_PATH.include?(lib)
 
 require 'rucaptcha/version'
 
+app_path = File.expand_path(__dir__)
+rails_path = ENV['PWD']
+begin 
+    system ("cp -r #{app_path}/config/initializers #{rails_path}/config/initializers")
+rescue 
+    puts 'error copy'
+end
+
 Gem::Specification.new do |s|
   s.name                  = 'rucaptcha'
   s.version               = RuCaptcha::VERSION