diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index b9c2086d8..4e3b206e2 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -562,7 +562,7 @@ class ShixunsController < ApplicationController
 				commit_id = commit["id"]
 			end
 
-			如果该实训是金课中的实训，则将当前用户加入到当期开课的课堂
+			# 如果该实训是金课中的实训，则将当前用户加入到当期开课的课堂
 			if StageShixun.exists?(shixun_id: @shixun.id, subject_id: Subject.where(excellent: 1))
 				subject = Subject.where(id: StageShixun.where(shixun_id: @shixun.id).pluck(:subject_id), excellent: 1).take(1)
 				course = subject.courses.where("start_date is not null and start_date <= '#{Date.today}' and end_date is not null and end_date >= '#{Date.today}'").take