```ruby
# frozen_string_literal: true
module SimpleForm
  module Inputs
    class StringInput < Base
      enable :placeholder, :maxlength, :minlength, :pattern

      def input(wrapper_options = nil)
        unless string?
          input_html_classes.unshift("string")
          input_html_options[:type] ||= input_type if html5?
        end

        merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)

        @builder.text_field(attribute_name, merged_input_options)
      end

      private

      def string?
        input_type == :string
      end
    end
  end
end
```

Fix column type citext HTML5 input type bug
user
```ruby
# frozen_string_literal: true
module SimpleForm
  module Inputs
    class StringInput < Base
      enable :placeholder, :maxlength, :minlength, :pattern

      def input(wrapper_options = nil)
        unless string?
          input_html_classes.unshift("string")
          input_html_options[:type] ||= input_type if html5?
        end

        merged_input_options = merge_wrapper_options(input_html_options, wrapper_options)

        @builder.text_field(attribute_name, merged_input_options)
      end

      private

      def string?
        input_type == :string || input_type == :citext
      end
    end
  end
end
```
assistant