diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index bee78a20e..bad8c1a77 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -6,6 +6,7 @@ module Mobile
   require_relative 'apis/watches'
   require_relative 'apis/upgrade'
   require_relative 'apis/homeworks'
+  require_relative 'apis/comments'
   class API < Grape::API
     version 'v1', using: :path
     format :json
@@ -37,6 +38,7 @@ module Mobile
     mount Apis::Watches
     mount Apis::Upgrade
     mount Apis::Homeworks
+    mount Apis::Comment
 
     #add_swagger_documentation ({api_version: 'v1', base_path: 'http://u06.shellinfo.cn/trustie/api'})
      #add_swagger_documentation ({api_version: 'v1', base_path: '/api'})  if Rails.env.development?