fix bug

app/controllers/zips_controller.rb

@@ -10,7 +10,9 @@ class ZipsController < ApplicationController
     service = BatchExportShixunReportService.new(@homework, @all_student_works)
 
     filename = filename_for_content_disposition(service.filename)
-    send_file service.zip, filename: filename, type: 'application/zip'
+    Rails.logger.info("################___________file_name________________###########{filename}")
+    Rails.logger.info("################___________service.filename________________###########{service.filename}")
+    send_file service.zip, filename: filename.encode(Encoding.default_external, 'gb2312'), type: 'application/zip'
   rescue BatchExportShixunReportService::Error => ex
     normal_status(-1, ex.message)
   end
@@ -21,10 +23,7 @@ class ZipsController < ApplicationController
 
     file_name = filename_for_content_disposition(exercises.filename)
 
-    Rails.logger.info("################___________file_name________________###########{file_name}")
-    Rails.logger.info("################___________exercises.filename________________###########{exercises.filename}")
-
-    send_file exercises.ex_zip, filename: file_name.encode(Encoding.default_external, 'gb2312'), type: 'application/zip'
+    send_file exercises.ex_zip, filename: file_name, type: 'application/zip'
   rescue Exception => e
     normal_status(-1, e.message)
   end