diff --git a/lib/tasks/publick_course.rake b/lib/tasks/publick_course.rake
new file mode 100644
index 000000000..20a9a5d3a
--- /dev/null
+++ b/lib/tasks/publick_course.rake
@@ -0,0 +1,25 @@
+#coding=utf-8
+# 执行示例  bundle exec rake public_course:student args=149,2903
+# args 第一个参数是subject_id，第二个参数是课程course_id
+
+desc "同步精品课数据"
+namespace :public_course do
+  task :student => :environment do
+
+
+    subject_id = ENV['args'].split(",").first
+    course_id = ENV['args'].split(",").last
+    puts "subject_id is #{subject_id}"
+    puts "course_id is #{course_id}"
+
+    user_ids = Myshixun.find_by_sql("select user_id from myshixuns where shixun_id in (select shixun_id from stage_shixuns
+                                      where stage_id in (select id from stages where subject_id=#{subject_id}))").try(:user_id)
+    puts user_ids
+    if user_ids.present?
+      user_ids.each do |user_id|
+        puts user_id
+        CourseMember.create!(course_id: course_id, user_id: user_id, role: 4)
+      end
+    end
+  end
+end
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