diff --git a/app/assets/stylesheets/admins/diff.scss b/app/assets/stylesheets/admins/diff.scss
new file mode 100644
index 000000000..13957570c
--- /dev/null
+++ b/app/assets/stylesheets/admins/diff.scss
@@ -0,0 +1,14 @@
+.diff{overflow:auto;}
+.diff ul{background:#fff;overflow:auto;font-size:13px;list-style:none;margin:0;padding:0;display:table;width:100%;}
+.diff del, .diff ins{display:block;text-decoration:none;}
+.diff li{padding:0; display:table-row;margin: 0;height:1em;}
+.diff li.ins{background:#dfd; color:#080}
+.diff li.del{background:#fee; color:#b00}
+.diff li:hover{background:#ffc}
+
+/* try 'whitespace:pre;' if you don't want lines to wrap */
+.diff del, .diff ins, .diff span{white-space:pre-wrap;font-family:courier;}
+.diff del strong{font-weight:normal;background:#fcc;}
+.diff ins strong{font-weight:normal;background:#9f9;}
+.diff li.diff-comment { display: none; }
+.diff li.diff-block-info { background: none repeat scroll 0 0 gray; }
\ No newline at end of file
diff --git a/app/controllers/admins/shixun_modify_records_controller.rb b/app/controllers/admins/shixun_modify_records_controller.rb
new file mode 100644
index 000000000..43d9a4a16
--- /dev/null
+++ b/app/controllers/admins/shixun_modify_records_controller.rb
@@ -0,0 +1,9 @@
+class Admins::ShixunModifyRecordsController < Admins::BaseController
+
+  def index
+    records = Admins::ShixunModifyRecordQuery.call(params)
+
+    @records = paginate records.includes(:diff_record_content)
+  end
+
+end
diff --git a/app/queries/admins/shixun_modify_record_query.rb b/app/queries/admins/shixun_modify_record_query.rb
new file mode 100644
index 000000000..227e2f4c2
--- /dev/null
+++ b/app/queries/admins/shixun_modify_record_query.rb
@@ -0,0 +1,33 @@
+class Admins::ShixunModifyRecordQuery < ApplicationQuery
+  attr_reader :params
+
+  def initialize(params)
+    @params = params
+  end
+
+  def call
+    if params[:user_name].blank? || params[:date].blank?
+      records = DiffRecord.none
+    else
+      records = DiffRecord.joins(:user).where("concat(users.lastname, users.firstname) like ?", "%#{params[:user_name].strip}%")
+      if time_range.present?
+        records = records.where(created_at: time_range)
+      end
+    end
+    records.order("diff_records.created_at desc")
+  end
+
+  private
+
+  def time_range
+    @_time_range ||= begin
+      case params[:date]
+      when 'weekly'    then 1.weeks.ago..Time.now
+      when 'monthly'   then 1.months.ago..Time.now
+      when 'quarterly' then 3.months.ago..Time.now
+      when 'yearly'    then 1.years.ago..Time.now
+      else ''
+      end
+    end
+  end
+end
diff --git a/app/views/admins/shared/_sidebar.html.erb b/app/views/admins/shared/_sidebar.html.erb
index df344fd1a..4b84068e7 100644
--- a/app/views/admins/shared/_sidebar.html.erb
+++ b/app/views/admins/shared/_sidebar.html.erb
@@ -27,8 +27,9 @@
         <li><%= sidebar_item(admins_shixun_settings_path, '实训配置', icon: 'cog', controller: 'admins-shixun_settings') %></li>
         <li><%= sidebar_item(admins_mirror_repositories_path, '镜像管理', icon: 'cubes', controller: 'admins-mirror_repositories') %></li>
         <li><%= sidebar_item(admins_myshixuns_path, '学员实训列表', icon: 'server', controller: 'admins-myshixuns') %></li>
-      <li><%= sidebar_item(admins_shixun_recycles_path, '实训回收站', icon: 'recycle', controller: 'admins-myshixuns') %></li>
-  <% end %>
+        <li><%= sidebar_item(admins_shixun_modify_records_path, '实训修改记录', icon: 'eraser', controller: 'admins-shixun_modify_records') %></li>
+        <li><%= sidebar_item(admins_shixun_recycles_path, '实训回收站', icon: 'recycle', controller: 'admins-shixun_recycles') %></li>
+      <% end %>
     </li>
 
     <li>
diff --git a/app/views/admins/shixun_modify_records/index.html.erb b/app/views/admins/shixun_modify_records/index.html.erb
new file mode 100644
index 000000000..cecba30cb
--- /dev/null
+++ b/app/views/admins/shixun_modify_records/index.html.erb
@@ -0,0 +1,25 @@
+<% define_admin_breadcrumbs do %>
+  <% add_admin_breadcrumb('实训修改记录') %>
+<% end %>
+
+<div class="box search-form-container shixun-modify-record-list-form">
+  <%= form_tag(admins_shixun_modify_records_path, method: :get, class: 'form-inline search-form flex-1', remote: true) do %>
+    <div class="form-group col-12 col-md-4">
+      <label for="user_name">用户名：</label>
+      <%= text_field_tag :user_name, params[:user_name], class: 'form-control flex-1', placeholder: '真实姓名搜索' %>
+    </div>
+
+    <div class="form-group col-12 col-md-auto">
+      <label for="status">时间范围：</label>
+      <% data_arrs = [['最近一周', 'weekly'], ['最近一个月', 'monthly']] %>
+      <%= select_tag(:date, options_for_select(data_arrs, params[:date]), class: 'form-control') %>
+    </div>
+
+    <%= submit_tag('搜索', class: 'btn btn-primary ml-3', 'data-disable-with': '搜索中...') %>
+    <input type="reset" class="btn btn-secondary clear-btn" value="清空"/>
+  <% end %>
+</div>
+
+<div class="box admin-list-container shixun-modify-record-list-container">
+  <%= render partial: 'admins/shixun_modify_records/shared/list', locals: { records: @records } %>
+</div>
\ No newline at end of file
diff --git a/app/views/admins/shixun_modify_records/index.js.erb b/app/views/admins/shixun_modify_records/index.js.erb
new file mode 100644
index 000000000..fc9dc033b
--- /dev/null
+++ b/app/views/admins/shixun_modify_records/index.js.erb
@@ -0,0 +1 @@
+$('.shixun-modify-record-list-container').html("<%= j( render partial: 'admins/shixun_modify_records/shared/list', locals: { records: @records } ) %>");
\ No newline at end of file
diff --git a/app/views/admins/shixun_modify_records/shared/_list.html.erb b/app/views/admins/shixun_modify_records/shared/_list.html.erb
new file mode 100644
index 000000000..1f5ec53b9
--- /dev/null
+++ b/app/views/admins/shixun_modify_records/shared/_list.html.erb
@@ -0,0 +1,38 @@
+<% if records.present? %>
+  <% records.each do |record| %>
+    <div class="record-item">
+      <div class="record-item-head font-16">
+        <span><%= record.user.real_name %></span>
+        <span class="ml-3"><%= format_time record.created_at %></span>
+      </div>
+      <div class="dropdown-divider"></div>
+
+      <div class="record-item-info font-14">
+        <span>实训名称：<%= record.container&.shixun&.name %></span>
+        <% if record.container_type == "Challenge" %>
+          <span class="ml-3">/</span>
+          <span class="ml-3">关卡名：<%= record.container&.subject %></span>
+        <% end %>
+      </div>
+
+      <div class="diff mt-2 font-12">
+        <ul>
+          <% record.diff_record_content&.content&.split("\n").each do |line| %>
+            <% if line =~ /^[\+]/ %>
+              <li class="ins"><ins><%= line %></ins></li>
+            <% elsif line =~ /^[\-]/ %>
+              <li class="del"><del><%= line %></del></li>
+            <% else %>
+              <li class="unchanged"><span><%= line %></span></li>
+            <% end %>
+          <% end %>
+        </ul>
+      </div>
+    </div>
+    <div class="dropdown-divider"></div>
+  <% end %>
+<% else %>
+  <%= render 'admins/shared/no_data_for_table' %>
+<% end %>
+
+<%= render partial: 'admins/shared/paginate', locals: { objects: records } %>
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index 283ee0d24..958ac9e92 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1056,6 +1056,7 @@ Rails.application.routes.draw do
     resources :shixun_recycles, only: [:index, :destroy] do
       post :resume, on: :member
     end
+    resources :shixun_modify_records, only: [:index]
     resources :department_applies,only: [:index,:destroy] do
       collection do
         post :merge