diff --git a/app/controllers/zips_controller.rb b/app/controllers/zips_controller.rb
index 3e3445e77..b04ee3cb1 100644
--- a/app/controllers/zips_controller.rb
+++ b/app/controllers/zips_controller.rb
@@ -21,7 +21,7 @@ class ZipsController < ApplicationController
 
     file_name = filename_for_content_disposition(exercises.filename)
     send_file exercises.ex_zip, filename: file_name, type: 'application/zip'
-    logger.info("##################_______________________file_name___________1100101010010__________###########")
+    Rails.logger.info("##################_______________________file_name___________1100101010010__________###########")
 
   rescue Exception => e
     normal_status(-1, e.message)
diff --git a/app/services/exercise_user_pdf_service.rb b/app/services/exercise_user_pdf_service.rb
index 52f54163e..1f2f84414 100644
--- a/app/services/exercise_user_pdf_service.rb
+++ b/app/services/exercise_user_pdf_service.rb
@@ -41,13 +41,13 @@ class ExerciseUserPdfService
     # aa = File.open(Rails.root.join("public/123.html"),"w+")
     # aa.syswrite(kit.source)
     #正式需删掉-------
-    logger.info("##################_______________________file_name___________5555555555__________###########")
+    Rails.logger.info("##################_______________________file_name___________5555555555__________###########")
 
     file = Tempfile.new(filename)
-    logger.info("##################_______________________file_name___________66666666__________###########")
+    Rails.logger.info("##################_______________________file_name___________66666666__________###########")
 
     kit.to_pdf(file.path)
-    logger.info("##################_______________________file_name___________7777777777__________###########")
+    Rails.logger.info("##################_______________________file_name___________7777777777__________###########")
 
     file
   end
diff --git a/app/services/export_exercises_service.rb b/app/services/export_exercises_service.rb
index 4b7b10b9b..c450f6247 100644
--- a/app/services/export_exercises_service.rb
+++ b/app/services/export_exercises_service.rb
@@ -14,28 +14,28 @@ class ExportExercisesService
   end
 
   def ex_zip
-    logger.info("##################_______________________file_name___________11111__________###########")
+    Rails.logger.info("##################_______________________file_name___________11111__________###########")
 
     zip_file = Tempfile.new(filename)
-    logger.info("##################_______________________file_name___________2222222__________###########")
+    Rails.logger.info("##################_______________________file_name___________2222222__________###########")
 
     pdfs = []
     Zip::File.open(zip_file.path, Zip::File::CREATE) do |zip|
-      logger.info("##################_______________________file_name___________3333333__________###########")
+      Rails.logger.info("##################_______________________file_name___________3333333__________###########")
 
       ex_users.each do |ex_user|
         export = ExerciseUserPdfService.new(exercise, ex_user)
-        logger.info("##################_______________________file_name___________444444__________###########")
+        Rails.logger.info("##################_______________________file_name___________444444__________###########")
 
         pdf = export.ex_pdf
-        logger.info("##################_______________________file_name___________888888888__________###########")
+        Rails.logger.info("##################_______________________file_name___________888888888__________###########")
 
         pdfs << pdf
-        logger.info("##################_______________________file_name___________999999999__________###########")
+        Rails.logger.info("##################_______________________file_name___________999999999__________###########")
 
         begin
           zip.add(export.filename, pdf.path)
-          logger.info("##################_______________________file_name___________10000000000000__________###########")
+          Rails.logger.info("##################_______________________file_name___________10000000000000__________###########")
 
         rescue => ex
           Rails.logger.error(ex.message)