diff --git a/lib/tasks/excellent_course_exercise.rake b/lib/tasks/excellent_course_exercise.rake
index 964951003..d337fbd73 100644
--- a/lib/tasks/excellent_course_exercise.rake
+++ b/lib/tasks/excellent_course_exercise.rake
@@ -35,9 +35,9 @@ namespace :excellent_course_exercise do
     members.each_with_index do |member, index|
       exercise_user = exercise.exercise_users.where(user_id: member.user_id).take
       if exercise_question_ids.length == 20
-        rand_num = index < pass_count - 1 ? 20 : rand(1..16)
+        rand_num = index < pass_count - 1 ? rand(15..20) : rand(1..10)
       elsif exercise_question_ids.length == 17
-        rand_num = index < pass_count - 1 ? rand(13..17) : rand(1..11)
+        rand_num = index < pass_count - 1 ? rand(12..17) : rand(1..9)
       elsif exercise_question_ids.length == 39
         rand_num = index < pass_count - 1 ? rand(30..39) : rand(1..18)
       else
diff --git a/lib/tasks/public_course.rake b/lib/tasks/public_course.rake
index 13ef7b2e7..24fa3e844 100644
--- a/lib/tasks/public_course.rake
+++ b/lib/tasks/public_course.rake
@@ -48,27 +48,17 @@ namespace :public_course do
     end
   end
 
-  #
-  task :message => :environment do
-    discusses = Discuss.find_by_sql("select content, user_id, created_on, updated_on from discusses where dis_id in (select shixun_id from stage_shixuns where
-                                   stage_id in (select id from stages where subject_id=#{subject_id})) and created_at > #{start_time} and
-                                   created_at<#{end_time}")
-    discusses.find_each do |discuss|
-      puts discuss.user_id
-      puts discuss.content
-      # 回复帖子
-      # 讨论区发布帖子
-      # Message.create!(board: @message.board, root_id: @message.root_id || @message.id,
-      #                 author: current_user, parent: @message,
-      #                 message_detail_attributes: {
-      #                     content: params[:content]
-      #                 })
+  task :test_user => :environment do
+    users = User.where(is_test: true)
+    users.find_each do |user|
+      puts user.id
+      CourseMember.create!(course_id: course_id, user_id: user.id, role: 4)
     end
   end
 
 
   # 更新某个课程的某类时间
-  # 执行示例  bundle exec rake public_course:student args=2903,1
+  # 执行示例  RAILS_ENV=production bundle exec rake public_course:time args=-1,2932,1,1
   task :time => :environment do
     # course_id = ENV['args'].split(",")[0] # 对应课堂的id
     # type = ENV['args'].split(",")[1]
@@ -78,10 +68,16 @@ namespace :public_course do
     case type.to_i
     when 1
       # 讨论区
-
+      created_on = random_time start_time, end_time
+      puts created_on
+      messages = Message.where(board_id: course.boards)
+      messages.each do |message|
+        message.update_columns(created_on: created_on, updated_on: created_on)
+        MessageDetail.where(message_id: message.id).update_all(created_at: created_on, updated_at: created_on)
+      end
     when 2
       # 作业
-        course.homework_commons.each do |homework|
+      course.homework_commons.each do |homework|
         created_at = random_time(start_time, end_time)
         publish_time = random_larger_time created_at, start_time, end_time
         end_time = random_larger_time publish_time, start_time, end_time
diff --git a/lib/tasks/user.rake b/lib/tasks/user.rake
new file mode 100644
index 000000000..7e2cd2c57
--- /dev/null
+++ b/lib/tasks/user.rake
@@ -0,0 +1,67 @@
+# add test user
+namespace :sync do
+  task :add_user => :environment do
+    DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
+    user_count = ENV['args'].split(",")[0].to_i # 用户数
+    rand_chart = ENV['args'].split(",")[1] # 手机号或者邮箱等前面的随机数
+
+    puts rand_chart
+    puts user_count
+
+    (1..user_count).each do |i|
+      puts i
+
+      no = sprintf("%04d", i)
+      phone = "#{rand_chart}160731#{no}"
+      mail = "#{rand_chart}#{no}@educoder.net"
+      code = generate_identifier User, 8
+      login = "m" + code
+
+
+      l = "赵,钱,孙,李,周,吴,郑,王,冯,陈,褚,卫,蒋,沈,韩,杨,朱,秦,尤,许,何,吕,施,张,孔,曹,严,华,金,魏,陶,姜,黄".split(",")
+      f = "爱童,安妮,若婷,安煜,博,雷,梅,静,士红,大龙,冰波,慧娟,梅,婧婧,军,淋,真,维,涛,程程,
+        谷南,慕儿,夏岚,友儿,小萱,紫青,妙菱,冬寒,曼柔,语蝶,青筠,夜安,觅海,问安,晓槐,雅山,访云,翠容,寒凡,晓绿,以菱,
+        冬云,含玉,访枫,含卉,夜白,冷安,灵竹,醉薇,元珊,幻波,盼夏,元瑶,迎曼,水云,访琴,谷波,乐之,笑白,之山,妙海,紫霜,
+        平夏,凌旋,孤丝,怜寒,向萍,凡松,青丝,翠安,如天,凌雪,绮菱,代云,南莲,寻南,春文,香薇,冬灵,凌珍,采绿,天春,沛文,
+        紫槐,幻柏,采文,春梅,雪旋,盼海,映梦,安雁,映容,凝阳,访风,天亦,平绿,盼香,觅风,小霜,雪萍,半雪,山柳,谷雪,靖易,
+        白薇,梦菡,飞绿,如波,又晴,友易,香菱,冬亦,问,妙春,海冬,半安,平春,幼柏,秋灵,凝芙,念烟,白山,从灵,尔芙,迎蓉,
+        念寒,翠绿,翠芙,靖儿,妙柏,千凝,小珍,天巧,妙旋,雪枫,夏菡,元绿,痴灵,绮琴,雨双,听枫,觅荷,凡之,晓凡,雅彤,香薇,
+        孤风,从安,绮彤,之玉,雨珍,幻丝,代梅,香波,青亦,元菱,海瑶,飞槐,听露,梦岚,幻竹,新冬,盼翠,谷云".split(",")
+
+      lastname = l[rand(l.length)].strip + f[rand(f.length)].strip
+
+      edit_params = {
+          login: login,
+          admin: false,
+          type: User,
+          phone: phone,
+          lastname: lastname,
+          mail: mail,
+          authentication: 1,
+          professional_certification: 1,
+          profile_completed: true,
+          is_test: true
+      }
+      user = User.create!(edit_params)
+      puts "aa"
+      UserExtension.create!(user_id: user.id, school_id: 117)
+      puts i
+    end
+  end
+
+  # 随机生成字符
+  def generate_identifier(container, num)
+    code = DCODES.sample(num).join
+    if container == User
+      while container.exists?(login: code) do
+        code = DCODES.sample(num).join
+      end
+    else
+      while container.exists?(identifier: code) do
+        code = DCODES.sample(num).join
+      end
+    end
+    code
+  end
+
+end
\ No newline at end of file
diff --git a/public/react/src/App.css b/public/react/src/App.css
index cb36f7d63..a6f1d45e7 100644
--- a/public/react/src/App.css
+++ b/public/react/src/App.css
@@ -73,4 +73,13 @@ html, body {
 }
 .formItemInline .ant-form-item-control-wrapper {
   flex: 1;
+}
+
+
+/* 兼容性 */
+/* 火狐有滚动条时高度问题 */
+@-moz-document url-prefix() {
+  .newContainers {
+    min-height: calc(100% - 60px) !important;
+  }
 }
\ No newline at end of file
diff --git a/public/react/src/modules/user/usersInfo/video/VideoUpload.js b/public/react/src/modules/user/usersInfo/video/VideoUpload.js
index ec63454f9..26036529a 100644
--- a/public/react/src/modules/user/usersInfo/video/VideoUpload.js
+++ b/public/react/src/modules/user/usersInfo/video/VideoUpload.js
@@ -37,7 +37,7 @@ function VideoUpload (props) {
                 </div>
             </div>
             
-            <div>
+            <div className="courseForm">
                 <span className="titleLabel">标题：</span>
                 <Input placeholder={`标题支持最多${MAX_LENGTH}个字符`} onInput={titleChange} maxLength={MAX_LENGTH} suffix={
                         <span className="color-grey-6 font-13">{String(title.length)}/{MAX_LENGTH}</span>
diff --git a/public/react/src/modules/user/usersInfo/video/VideoUploadList.js b/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
index bcfb0deb2..8ad7ea9c2 100644
--- a/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
+++ b/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
@@ -61,7 +61,14 @@ function VideoUploadList (props) {
             // alert("请先选择需要上传的文件!")
             return
         }
-        if (file.type && file.type.indexOf('ogm') != -1) {
+        // avi、flv、f4v、m4v、mov、mp4、rmvb、swf、webm
+        if (file.name 
+            && file.name.indexOf('.avi') == -1 && file.name.indexOf('.flv') == -1 
+            && file.name.indexOf('.f4v') == -1 && file.name.indexOf('.m4v') == -1 
+            && file.name.indexOf('.mov') == -1 && file.name.indexOf('.mp4') == -1 
+            && file.name.indexOf('.rmvb') == -1 && file.name.indexOf('.swf') == -1 
+            && file.name.indexOf('.webm') == -1 
+        ) {
             showNotification(`不支持的视频格式`)
             return;
         }