diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index 3b0ac86a7..c5d3082ba 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -23,7 +23,6 @@ class CommentsController < ApplicationController
       @discuss.hidden = false
       @discuss.user_id = current_user.id
       @discuss.root_id = params[:comments][:parent_id]
-      @discusses.parent_container_id =
       @discuss.save!
     rescue Exception => e
       uid_logger_error("reply discuss failed : #{e.message}")