diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 3009152c0..490b9e970 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -474,11 +474,10 @@ class ShixunsController < ApplicationController
 					ShixunSchool.create!(arr)
 				end
 				# 超级管理员和运营人员才能保存 中间层服务器pod信息的配置
-				#
-				logger.info("-------#shixun_service_configs:##{@shixun.shixun_service_configs.map(&:mirror_repository_id).sort}}")
-				logger.info("-------###{params[:shixun_service_configs].map{|c| c[:mirror_repository_id]}.sort}")
-
-				if current_user.admin? || current_user.business?
+				# 如果镜像改动了，则也需要更改
+				mirror = @shixun.shixun_service_configs.map(&:mirror_repository_id).sort
+				new_mirror = params[:shixun_service_configs].map{|c| c[:mirror_repository_id]}.sort
+				if current_user.admin? || current_user.business? || (mirror != new_mirror)
 					@shixun.shixun_service_configs.destroy_all
 					service_config_params[:shixun_service_configs].each do |config|
 						name = MirrorRepository.find_by_id(config[:mirror_repository_id])&.name
diff --git a/public/stylesheets/educoder/edu-main.css b/public/stylesheets/educoder/edu-main.css
index 5ad8a3c54..75c73bce4 100644
--- a/public/stylesheets/educoder/edu-main.css
+++ b/public/stylesheets/educoder/edu-main.css
@@ -582,8 +582,8 @@ a.user_greybg_btn{background-color:#747A7F;color: #fff;}
 
 
 /*md编辑器恢复被覆盖样式*/
-.new_li .markdown-body ul > li{ list-style-type: disc!important;margin-bottom: 0!important; }
-.new_li .markdown-body ol > li{ list-style-type: decimal!important; }
+.new_li .markdown-body ul > li,.markdown-body ul > li{ list-style-type: disc!important;margin-bottom: 0!important; }
+.new_li .markdown-body ol > li,.markdown-body ol > li{ list-style-type: decimal!important; }
 .new_li li{ margin-bottom: 0!important; }
 
 /*搜索框*/