先注册新用户返回资料修改页面，再用老用户登录，却还是返回的资料修改页面，且不能对资料修改除外的其他模块进行操作

app/controllers/application_controller.rb

@@ -577,19 +577,19 @@ class ApplicationController < ActionController::Base
   end
 
   def redirect_back_or_default(default, options={})
-    back_url = params[:back_url].to_s
+    back_url = ''#params[:back_url].to_s
     if back_url.present?
       begin
         uri = URI.parse(back_url)
         # do not redirect user to another host or to the login or register page
         if (uri.relative? || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})
-          back_url = back_url.gsub(%r{\/users\/(\D+)},"/users/"+default.to_s) if default.is_a?(User)
+          back_url = back_url.gsub(%r{\/users\/(\w+)},"/users/"+default.to_s) if default.is_a?(:User)
           redirect_to(back_url)
           return
         end
       rescue URI::InvalidURIError
         logger.warn("Could not redirect to invalid URL #{back_url}")
-        redirect to default
+        #redirect to default
       end
     elsif options[:referer]
       redirect_to_referer_or default