低版本的谷歌浏览器无法修改课程密码

app/services/courses_service.rb

@@ -252,6 +252,7 @@ class CoursesService
   def edit_course(params,course,current_user)
     course.send(:safe_attributes=, params[:course], current_user)
     #course.safe_attributes = params[:course]
+    course.password = params[:course][:password]
     course.time = params[:time]
     course.term = params[:term]
     course.end_time = params[:end_time]