diff --git a/app/controllers/exercise_bank_questions_controller.rb b/app/controllers/exercise_bank_questions_controller.rb
index fd1ffe9eb..ddddf9a5d 100644
--- a/app/controllers/exercise_bank_questions_controller.rb
+++ b/app/controllers/exercise_bank_questions_controller.rb
@@ -372,7 +372,7 @@ class ExerciseBankQuestionsController < ApplicationController
   private
 
   def bank_admin
-    tip_exception(403, "无权限") unless @bank.user_id == current_user.id || current_user.admin?
+    tip_exception(403, "无权限") unless @exercise.user_id == current_user.id || current_user.admin?
   end
 
   def get_exercise
diff --git a/app/controllers/poll_bank_questions_controller.rb b/app/controllers/poll_bank_questions_controller.rb
index d90972dda..7b90ec29c 100644
--- a/app/controllers/poll_bank_questions_controller.rb
+++ b/app/controllers/poll_bank_questions_controller.rb
@@ -113,7 +113,7 @@ class PollBankQuestionsController < ApplicationController
   private
 
   def bank_admin
-    tip_exception(403, "无权限") unless @bank.user_id == current_user.id || current_user.admin?
+    tip_exception(403, "无权限") unless @poll.user_id == current_user.id || current_user.admin?
   end
 
   def get_poll