diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 697585e0c..8a8763260 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -270,7 +270,7 @@ class ChallengesController < ApplicationController
     @challenge.destroy
     # 关卡位置被删除，需要修改脚本
     script = modify_shixun_script @shixun, @shixun.evaluate_script
-    @shixun.update_column(:evaluate_script, script)
+    @shixun.shixun_info.update_column(:evaluate_script, script)
   end