diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 28cce6e1d..bdf8accf9 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -38,9 +38,6 @@ class AttachmentsController < ApplicationController
     tip_exception(403, "你没有权限访问") if request.host.present? && !request.referer.to_s.include?(request.host.to_s.gsub("www.",""))
     normal_status(-1, "参数缺失") if params[:download_url].blank?
     url = base_url.starts_with?("https:") ? params[:download_url].to_s.gsub("http:", "https:") : params[:download_url].to_s
-    md5_file  = Digest::MD5.hexdigest(params[:download_url])
-    FileUtils.mkdir_p("#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/") unless Dir.exists?("#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/")
-    tmp_path = "#{Rails.root}#{EduSetting.get("attachment_folder")}gitea/#{Time.now.strftime('%Y%m%d')}-#{md5_file}"
     if url.starts_with?(base_url) && !url.starts_with?("#{base_url}/repo")
       domain  = GiteaService.gitea_config[:domain]
       api_url = GiteaService.gitea_config[:base_url]
@@ -49,18 +46,15 @@ class AttachmentsController < ApplicationController
       url.gsub!(url.split("/")[-1], '')
       # Rails.logger.info("url===#{url}")
       Rails.logger.info(filepath)
-      ref = ref.blank? ? "" : URI.escape(ref.split('ref=')[1])
-      request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{ref}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
+      request_url = [domain, api_url, URI.encode(url), URI.escape(filepath), "?ref=#{URI.escape(ref.split('ref=')[1])}&access_token=#{User.where(admin: true).take&.gitea_token}"].join
       Rails.logger.info("request_url===#{request_url}")
-      File.delete(tmp_path) if File.exist?(tmp_path) # 删除之前的文件
-      Util.download_file(request_url, tmp_path)
+      response = Faraday.get(request_url)
       filename = filepath
     else
-      File.delete(tmp_path) if File.exist?(tmp_path) # 删除之前的文件
-      Util.download_file(URI.encode(url), tmp_path)
+      response = Faraday.get(URI.encode(url))
       filename = params[:download_url].to_s.split("/").pop()
     end
-    send_file(tmp_path,  filename: filename, type: "application/octet-stream", disposition: 'attachment')
+    send_data(response.body.force_encoding("UTF-8"),  filename: filename, type: "application/octet-stream", disposition: 'attachment')
   end
 
   def create