Merge branch 'dev_Ysm' into dev_aliyun

app/controllers/courses_controller.rb

@@ -61,6 +61,9 @@ class CoursesController < ApplicationController
       @courses = Course.where(is_delete: 0, is_hidden: 0, is_end: 0)
     end
 
+    # 金课未开课的不显示在首页
+    @courses = @courses.where("start_date is null or start_date <= '#{Date.today}'")
+
     # 根据搜索关键字进一步筛选
     if params[:search].present?
       # REDO:Extension