diff --git a/app/controllers/discusses_controller.rb b/app/controllers/discusses_controller.rb
index 1b7147863..ebd3ca251 100644
--- a/app/controllers/discusses_controller.rb
+++ b/app/controllers/discusses_controller.rb
@@ -97,6 +97,7 @@ class DiscussesController < ApplicationController
                                  :root_id => @discuss.root_id || params[:id], :parent_id => params[:id], :praise_count => 0,
                                  :challenge_id => @discuss.challenge_id, :dis_id => @discuss.dis_id,
                                  :dis_type => @discuss.dis_type, :position => @discuss.position)
+      @discuss.content = content_safe(@discuss.content)
     rescue Exception => e
       uid_logger_error("reply discuss failed : #{e.message}")
       raise Educoder::TipException.new("回复评论异常")
diff --git a/app/views/discusses/reply.json.jbuilder b/app/views/discusses/reply.json.jbuilder
index 4024ee7ea..81a22ea17 100644
--- a/app/views/discusses/reply.json.jbuilder
+++ b/app/views/discusses/reply.json.jbuilder
@@ -1 +1,10 @@
-json.discuss @discuss
\ No newline at end of file
+json.discuss do
+  json.id @discuss.id
+  json.content content_safe(@discuss.content)
+  json.time time_from_now(@discuss.created_at)
+  json.position @discuss.position
+  json.shixun_id @discuss.dis_id
+  json.hidden @discuss.hidden
+  json.reward @discuss.reward
+  json.praise_count discuss.praises_count
+end