ADD some url with in hovercoard api

app/controllers/application_controller.rb

@@ -28,7 +28,7 @@ class ApplicationController < ActionController::Base
 	DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
 	OPENKEY = "79e33abd4b6588941ab7622aed1e67e8"
 
-	helper_method :current_user
+	helper_method :current_user, :base_url
 
 	# 所有请求必须合法签名
 	def check_sign
@@ -770,6 +770,11 @@ class ApplicationController < ActionController::Base
 		@repository ||= load_project&.repository
 	end
 
+	def base_url
+		request.base_url
+	end
+	
+
   private
 	def object_not_found
 		uid_logger("Missing template or cant't find record, responding with 404")