From 63b40be6f280373c26eb043a186f87536ad4d285 Mon Sep 17 00:00:00 2001
From: Jason Lee <huacnlee@gmail.com>
Date: Thu, 7 Mar 2019 10:29:08 +0800
Subject: [PATCH] Use tag helper generate captcha img for avoid CDN prefix on
 image_tag. #73

Add onclick event for captcha img, to click refresh #61
---
 lib/rucaptcha/view_helpers.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/rucaptcha/view_helpers.rb b/lib/rucaptcha/view_helpers.rb
index 2ecbe36..304ac71 100644
--- a/lib/rucaptcha/view_helpers.rb
+++ b/lib/rucaptcha/view_helpers.rb
@@ -13,7 +13,9 @@ module RuCaptcha
 
     def rucaptcha_image_tag(opts = {})
       opts[:class] = opts[:class] || 'rucaptcha-image'
-      image_tag(ru_captcha.root_path, opts)
+      opts[:src] = ru_captcha.root_path
+      opts[:onclick] = "this.src = '#{ru_captcha.root_path}?t=' + Date.now();"
+      tag(:img, opts)
     end
   end
 end