diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 8b98a920b..7ef5879a2 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -771,7 +771,7 @@ class ApplicationController < ActionController::Base
 	end
 
 	def base_url
-		request.base_url
+		Rails.application.config_for(:configuration)['platform_url'] || request.base_url
 	end
 
 	def convert_image!
diff --git a/config/configuration.yml.example b/config/configuration.yml.example
index b45c9532c..c8fe96ca2 100644
--- a/config/configuration.yml.example
+++ b/config/configuration.yml.example
@@ -1,6 +1,7 @@
 default: &default
   # 用户登入的时候设置/登出的时候清空
   autologin_cookie_name: 'autologin_trustie'
+  platform_url: 'http://localhost:3000'
 
 
   #附件上传路径