diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index d603904c4..f2a964c8d 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -206,7 +206,7 @@ class ChallengesController < ApplicationController
         end
         # 关卡评测执行文件如果被修改，需要修改脚本内容
         script = modify_shixun_script @shixun, @shixun.evaluate_script
-        @shixun.update_column(:evaluate_script, script)
+        @shixun.shixun_info.update_column(:evaluate_script, script)
         # TODO:
         # if path != params[:challenge][:path]
         #   shixun_modify_status_without_publish(@shixun, 1)