diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index a6c74818c..a85937315 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -162,28 +162,30 @@ class AttachmentsController < ApplicationController
   def attachment_candown
     unless current_user.admin? || current_user.business?
       candown = true
-      if @file.container && current_user.logged?
-        # 课堂资源、作业、毕设相关资源的权限判断
-        if @file.container.is_a?(Course)
-          course = @file.container
-          candown = current_user.member_of_course?(course) || @file.is_public == 1
-        elsif @file.container.is_a?(HomeworkCommon) || @file.container.is_a?(GraduationTask) || @file.container.is_a?(GraduationTopic)
-          course = @file.container&.course
-          candown = current_user.member_of_course?(course)
-        elsif @file.container.is_a?(StudentWork)
-          course = @file.container&.homework_common&.course
-          candown = current_user.member_of_course?(course)
-        elsif @file.container.is_a?(StudentWorksScore)
-          course = @file.container&.student_work&.homework_common&.course
-          candown = current_user.member_of_course?(course)
-        elsif @file.container.is_a?(GraduationWork)
-          course = @file.container&.graduation_task&.course
-          candown = current_user.member_of_course?(course)
-        elsif @file.container.is_a?(GraduationWorkScore)
-          course = @file.container&.graduation_work&.graduation_task&.course
-          candown = current_user.member_of_course?(course)
+      unless params[:type] == 'history'
+        if @file.container && current_user.logged?
+          # 课堂资源、作业、毕设相关资源的权限判断
+          if @file.container.is_a?(Course)
+            course = @file.container
+            candown = current_user.member_of_course?(course) || @file.is_public == 1
+          elsif @file.container.is_a?(HomeworkCommon) || @file.container.is_a?(GraduationTask) || @file.container.is_a?(GraduationTopic)
+            course = @file.container&.course
+            candown = current_user.member_of_course?(course)
+          elsif @file.container.is_a?(StudentWork)
+            course = @file.container&.homework_common&.course
+            candown = current_user.member_of_course?(course)
+          elsif @file.container.is_a?(StudentWorksScore)
+            course = @file.container&.student_work&.homework_common&.course
+            candown = current_user.member_of_course?(course)
+          elsif @file.container.is_a?(GraduationWork)
+            course = @file.container&.graduation_task&.course
+            candown = current_user.member_of_course?(course)
+          elsif @file.container.is_a?(GraduationWorkScore)
+            course = @file.container&.graduation_work&.graduation_task&.course
+            candown = current_user.member_of_course?(course)
+          end
+          tip_exception(403, "您没有权限进入") if course.present? && !candown
         end
-        tip_exception(403, "您没有权限进入") if course.present? && !candown
       end
     end
   end