diff --git a/app/views/challenges/edit.json.jbuilder b/app/views/challenges/edit.json.jbuilder
index 3e7f5b425..c0ea68d9c 100644
--- a/app/views/challenges/edit.json.jbuilder
+++ b/app/views/challenges/edit.json.jbuilder
@@ -5,9 +5,11 @@ json.chooses do
     json.type choose.category
   end
 end
+json.st @challenge.st
+
 if @tab == 0
   # 本关任务tab的编辑模式
-  json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time)
+  json.(@challenge, :id, :subject, :task_pass, :difficulty, :score, :exec_time, :st)
   json.tags @challenge.challenge_tags.map(&:name)
 elsif @tab == 1
   # 评测设置的编辑模式
diff --git a/app/views/challenges/edit_choose_question.json.jbuilder b/app/views/challenges/edit_choose_question.json.jbuilder
index 663f27d7f..0405c0598 100644
--- a/app/views/challenges/edit_choose_question.json.jbuilder
+++ b/app/views/challenges/edit_choose_question.json.jbuilder
@@ -1,7 +1,7 @@
 json.(@challenge_choose, :challenge_id, :subject, :answer,
     :standard_answer, :score, :difficult,
     :position, :category)
-
+json.st @challenge.st
 # 选项的参数
 json.choose_contents @challenge_choose.challenge_questions do |question|
   json.(question, :option_name, :position, :right_key)