diff --git a/config/routes.rb b/config/routes.rb
index caba039ee..347ed29bf 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -19,7 +19,7 @@ Rails.application.routes.draw do
   get 'attachments/entries/get_file', to: 'attachments#get_file'
   get 'attachments/download/:id', to: 'attachments#show'
   get 'attachments/download/:id/:filename', to: 'attachments#show'
-  get ':owner/:repo/releases/download/:tag_name/:filename',  to:  'version_releases#download', constraints: { repo: /[^\/]+/, filename: /[^\/]+/ }
+  get ':owner/:repo/releases/download/:tag_name/:filename',  to:  'version_releases#download', constraints: { repo: /[^\/]+/, tag_name: /[^\/]+/, filename: /[^\/]+/ }
   get 'check_pr_url',to: "settings#check_url"
 
   # get 'auth/qq/callback', to: 'oauth/qq#create'