diff --git a/app/services/games_service.rb b/app/services/games_service.rb
index ab44d262..22df565d 100644
--- a/app/services/games_service.rb
+++ b/app/services/games_service.rb
@@ -86,7 +86,7 @@ class GamesService
         if res && res['code'].to_i != 0
           raise("实训云平台繁忙（繁忙等级：99）")
         end
-        url = service_host +":#{res['port']}/vnc_lite.html?password=headless"
+        url = "#{service_host}" +":#{res['port']}/vnc_lite.html?password=headless"
         Rails.logger.info("66666666sssssss#{url}")
         container = container.merge(:vnc_url => url)
         Rails.logger.info("777777666sssssss#{container}")