diff --git a/app/assets/javascripts/admins/modals/admin-upload-file-modal.js b/app/assets/javascripts/admins/modals/admin-upload-file-modal.js
index cf1333381..a53173959 100644
--- a/app/assets/javascripts/admins/modals/admin-upload-file-modal.js
+++ b/app/assets/javascripts/admins/modals/admin-upload-file-modal.js
@@ -4,14 +4,17 @@ $(document).on('turbolinks:load', function() {
     var $form = $modal.find('form.admin-upload-file-form')
     var $sourceIdInput = $modal.find('input[name="source_id"]');
     var $sourceTypeInput = $modal.find('input[name="source_type"]');
+    var $suffixInput = $modal.find('input[name="suffix"]');
 
     $modal.on('show.bs.modal', function(event){
       var $link = $(event.relatedTarget);
       var sourceId = $link.data('sourceId');
       var sourceType = $link.data('sourceType');
+      var suffix = $link.data('suffix');
 
       $sourceIdInput.val(sourceId);
       $sourceTypeInput.val(sourceType);
+      if(suffix != undefined){ $suffixInput.val(suffix); }
 
       $modal.find('.upload-file-input').trigger('click');
     });
@@ -48,6 +51,7 @@ $(document).on('turbolinks:load', function() {
           contentType: false,
           success: function(data){
             $.notify({ message: '上传成功' });
+            $modal.find('.file-names').html('');
             $modal.trigger('upload:success', data);
             $modal.modal('hide');
           },
diff --git a/app/assets/javascripts/admins/shixun_settings/index.js b/app/assets/javascripts/admins/shixun_settings/index.js
index f99574673..8b3eee505 100644
--- a/app/assets/javascripts/admins/shixun_settings/index.js
+++ b/app/assets/javascripts/admins/shixun_settings/index.js
@@ -34,10 +34,17 @@ $(document).on('turbolinks:load', function() {
    });
 
     $('.modal.admin-upload-file-modal').on('upload:success', function(e, data){
-      var $imageElement = $('.shixun-image-' + data.source_id);
-      $imageElement.attr('src', data.url);
-      $imageElement.show();
-      $imageElement.next().html('重新上传');
+      if(data.suffix == '_weapp'){
+        var $imageElement = $('.shixun-weapp-image-' + data.source_id);
+        $imageElement.attr('src', data.url);
+        $imageElement.show();
+        $imageElement.next().html('重新上传');
+      } else {
+        var $imageElement = $('.shixun-image-' + data.source_id);
+        $imageElement.attr('src', data.url);
+        $imageElement.show();
+        $imageElement.next().html('重新上传');
+      }
     })
   }
 });
diff --git a/app/controllers/admins/files_controller.rb b/app/controllers/admins/files_controller.rb
index b269f8e27..cb8b66119 100644
--- a/app/controllers/admins/files_controller.rb
+++ b/app/controllers/admins/files_controller.rb
@@ -6,7 +6,12 @@ class Admins::FilesController < Admins::BaseController
 
     Util.write_file(@file, file_path)
 
-    render_ok(source_id: params[:source_id], source_type: params[:source_type].to_s, url: file_url + "?t=#{Random.rand}")
+    render_ok(
+      source_id: params[:source_id],
+      source_type: params[:source_type].to_s,
+      suffix: params[:suffix].presence,
+      url: file_url
+    )
   rescue StandardError => ex
     logger_error(ex)
     render_error('上传失败')
@@ -33,14 +38,14 @@ class Admins::FilesController < Admins::BaseController
     @_file_path ||= begin
       case params[:source_type].to_s
       when 'Shixun' then
-        Util::FileManage.disk_filename('Shixun', params[:source_id])
+        Util::FileManage.disk_filename('Shixun', params[:source_id], params[:suffix].presence)
       else
-        Util::FileManage.disk_filename(params[:source_type].to_s, params[:source_id].to_s)
+        Util::FileManage.disk_filename(params[:source_type].to_s, params[:source_id].to_s, params[:suffix].presence)
       end
     end
   end
 
   def file_url
-    Util::FileManage.disk_file_url(params[:source_type].to_s, params[:source_id].to_s)
+    Util::FileManage.disk_file_url(params[:source_type].to_s, params[:source_id].to_s, params[:suffix].presence)
   end
 end
\ No newline at end of file
diff --git a/app/views/admins/shared/modal/_upload_file_modal.html.erb b/app/views/admins/shared/modal/_upload_file_modal.html.erb
index 036f1122a..a32058cd3 100644
--- a/app/views/admins/shared/modal/_upload_file_modal.html.erb
+++ b/app/views/admins/shared/modal/_upload_file_modal.html.erb
@@ -11,6 +11,7 @@
         <form class="admin-upload-file-form" enctype="multipart/form-data">
           <%= hidden_field_tag(:source_type, nil) %>
           <%= hidden_field_tag(:source_id, nil) %>
+          <%= hidden_field_tag(:suffix, nil) %>
           <div class="input-group">
             <div class="input-group-prepend">
               <span class="input-group-text">文件</span>
diff --git a/app/views/admins/shixun_settings/shared/_list.html.erb b/app/views/admins/shixun_settings/shared/_list.html.erb
index 0235e5ef8..7591fe323 100644
--- a/app/views/admins/shixun_settings/shared/_list.html.erb
+++ b/app/views/admins/shixun_settings/shared/_list.html.erb
@@ -1,12 +1,12 @@
 <table class="table text-center shixun-settings-list-table">
   <thead class="thead-light">
-  <th width="4%">序号</th>
   <th width="8%">ID</th>
   <th width="12%" class="text-left">实训名称</th>
   <th width="8%">技术平台</th>
   <th width="8%">权限</th>
   <th width="15%">技术体系</th>
-  <th width="12%">上传图片</th>
+  <th width="8%">上传图片</th>
+  <th width="8%">小程序封面</th>
   <th width="5%">创建者</th>
   <th width="5%">关闭</th>
   <th width="4%">复制</th>
diff --git a/app/views/admins/shixun_settings/shared/_td.html.erb b/app/views/admins/shixun_settings/shared/_td.html.erb
index f72dc8a38..ddbbdff02 100644
--- a/app/views/admins/shixun_settings/shared/_td.html.erb
+++ b/app/views/admins/shixun_settings/shared/_td.html.erb
@@ -1,4 +1,3 @@
-<td class="shixun-line-no"><%= page_no %></td>
 <td><%= shixun.identifier %></td>
 <td class="text-left">
   <span>
@@ -21,6 +20,13 @@
   <%= image_tag(imageUrl, width: 60, height: 40, class: "preview-image shixun-image-#{shixun.id}", data: { toggle: 'tooltip', title: '点击预览' }, style: imageExists ? '' : 'display:none') %>
   <%= javascript_void_link imageExists ? '重新上传' : '上传图片', class: 'action upload-shixun-image-action', data: { source_id: shixun.id, source_type: 'Shixun', toggle: 'modal', target: '.admin-upload-file-modal' } %>
 </td>
+<td class="shixun-setting-weapp-image">
+  <% weappImageExists = Util::FileManage.exists?(shixun, '_weapp') %>
+  <% imageUrl = weappImageExists ? Util::FileManage.source_disk_file_url(shixun, '_weapp') : '' %>
+  <%= image_tag(imageUrl, width: 60, height: 40, class: "preview-image shixun-weapp-image-#{shixun.id}", data: { toggle: 'tooltip', title: '点击预览' }, style: weappImageExists ? '' : 'display:none') %>
+  <%= raw '<br/>' if weappImageExists %>
+  <%= javascript_void_link weappImageExists ? '重新上传' : '上传图片', class: 'action upload-shixun-weapp-image-action', data: { source_id: shixun.id, source_type: 'Shixun', suffix: '_weapp', toggle: 'modal', target: '.admin-upload-file-modal' } %>
+</td>
 <td><%= link_to shixun.owner.try(:real_name),"/users/#{shixun.owner.login}",target:'_blank' %></td>
 <td>
   <% if shixun.status.to_i < 3 %>
diff --git a/app/views/weapps/homes/show.json.jbuilder b/app/views/weapps/homes/show.json.jbuilder
index d2a451030..eb5b238ac 100644
--- a/app/views/weapps/homes/show.json.jbuilder
+++ b/app/views/weapps/homes/show.json.jbuilder
@@ -6,7 +6,22 @@ json.images do
 end
 
 json.shixuns do
-  json.partial! 'shixuns/shixun', locals: { shixuns: @shixuns }
+  json.array! @shixuns do |shixun|
+    json.id shixun.id
+    json.identifier shixun.identifier
+    json.name shixun.name
+    json.status shixun.status
+    json.power (current_user.shixun_permission(shixun)) # 现在首页只显示已发布的实训
+    # REDO: 局部缓存
+    json.tag_name @tag_name_map&.fetch(shixun.id, nil) || shixun.tag_repertoires.first.try(:name)
+    json.myshixuns_count shixun.myshixuns_count
+    json.stu_num shixun.myshixuns_count
+    json.score_info shixun.averge_star
+    json.challenges_count shixun.challenges_count
+    #json.exp   shixun.all_score
+    json.level level_to_s(shixun.trainee)
+    json.pic Util::FileManage.source_disk_file_url(shixun, '_weapp')
+  end
 end
 
 json.subjects do