diff --git a/app/services/shixuns_service.rb b/app/services/shixuns_service.rb
index dd898cf6..69bbc431 100644
--- a/app/services/shixuns_service.rb
+++ b/app/services/shixuns_service.rb
@@ -130,7 +130,7 @@ class ShixunsService
             if manager
               position = d.position.nil? ? 1 : d.position
               game_identifier = Game.find_by_sql("SELECT g.identifier FROM games g JOIN challenges c on g.challenge_id = c.id
-                        WHERE c.shixun_id = #{dis.id} AND c.position = #{position} AND g.user_id = #{current_user.id}").first.try(:identifier)
+                        WHERE c.shixun_id = #{dis.id} AND c.position = #{position} AND g.user_id = #{d.user_id}").first.try(:identifier)
               "/tasks/#{game_identifier}"
             else
               ""