内容不一致引起的路由错误

app/helpers/stores_helper.rb

@@ -94,6 +94,9 @@ module StoresHelper
 			Rails.logger.error "ERROR: attachment type unkown"
 			[link_to('unkown', '')]
 		end
+	rescue ActionController::RoutingError => e
+		Rails.logger.error "ERROR: RoutingError #{e}"
+		[link_to('unkown', '')]
 	end
 
 	def project_link project