diff --git a/slides/dist/theme/simple.css b/slides/dist/theme/simple.css
index ef5ed4c..dbfed72 100644
--- a/slides/dist/theme/simple.css
+++ b/slides/dist/theme/simple.css
@@ -17,7 +17,7 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
 :root {
   --r-background-color: #fff;
   --r-main-font: Lato, sans-serif;
-  --r-main-font-size: 40px;
+  --r-main-font-size: 30px;
   --r-main-color: #000;
   --r-block-margin: 20px;
   --r-heading-margin: 0 0 20px 0;
@@ -195,7 +195,7 @@ section.has-dark-background, section.has-dark-background h1, section.has-dark-ba
   font-family: 'Lato', 'STKaiti', 'KaiTi', 'Sans Serif';
   background: rgba(121, 221, 239, 0.257);
   box-shadow: 0px 0px 2px rgba(0, 0, 0, 0.2);
-  font: 22px/28px normal helvetica, sans-serif;
+  font: 20px/24px;
   margin-top: 10px;
   margin-bottom: 10px;
   margin-left: 50px;
diff --git a/slides/slides.html b/slides/slides.html
index c29d401..4735fcb 100644
--- a/slides/slides.html
+++ b/slides/slides.html
@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta name="generator" content="pandoc">
   <meta name="author" content="log-player">
-  <title>实习汇报</title>
+  <title>slides</title>
   <meta name="apple-mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
@@ -145,7 +145,7 @@ <h2>日志过滤</h2>
       <hr>
       <li>右键快捷过滤</li>
       <li>大小写模糊/正则表达式</li>
-      <p><strong>eg:&nbsp;</strong>&nbsp;\[[0-9]{4}-[0-1][0-9]-[0-3][0-9]</p>
+      <p style="font-size:28px;"><strong>eg:&nbsp;</strong>&nbsp;\[[0-9]{4}-[0-1][0-9]-[0-3][0-9]</p>
       <li>正向/反向过滤</li>
       <li>子窗口显示</li>
       <ul>
@@ -162,7 +162,7 @@ <h2>时间线分析</h2>
       <li>以行号为ID,时间为副ID,整行为内容
         <ul>
           <li>更改时间/内容匹配模板</li>
-          <p><strong>eg:&nbsp;</strong>&nbsp;\[[0-9]{4}-[0-1][0-9]-[0-3][0-9]</p>
+          <p style="font-size:28px;"><strong>eg:&nbsp;</strong>&nbsp;\[[0-9]{4}-[0-1][0-9]-[0-3][0-9]</p>
           <li>子窗口添加时间点</li>
         </ul>
       </li>
@@ -301,7 +301,7 @@ <h2>后端 (cont'd)</h2>
     <h2>控制模块</h2>
     <ul>
       <li>Controller.h</li>
-      <pre class="cpp"><code data-trim data-line-numbers="|4-21|,|23,24,27,28|">
+      <pre class="cpp"><code data-trim data-line-numbers="|4-23,66|,|25,26,29,30|">
         <script type="text/template">
 class Controller
 {
@@ -416,12 +416,6 @@ <h2>控制模块 (cont'd)</h2>
                  taglist->addTag(p.key, p.color);
                 }
               }
-              void DocumentTab::unBindController()
-              {
-                for (auto& conn : mConnections)
-                  disconnect(conn);
-                mConnections.clear();
-              }
 
             </script></code></pre>
       </ul>
@@ -933,7 +927,7 @@ <h1>
           width: 1024, height: 768,
           plugins: [ RevealMarkdown, RevealHighlight],
           slideNumber: 'c/t',
-          controlsTutorial: false,
+          controlsTutorial: true,
           progress: false,
           hash: true,
           center: false,
diff --git a/src/log.pro.user b/src/log.pro.user
index 9e663ac..4de9148 100644
--- a/src/log.pro.user
+++ b/src/log.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 8.0.0, 2022-08-24T09:58:02. -->
+<!-- Written by QtCreator 8.0.0, 2022-08-24T18:45:08. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
@@ -249,6 +249,7 @@
     <value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
     <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
     <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+    <value type="QString" key="RunConfiguration.WorkingDirectory.default">C:/Users/user/Desktop/logg/build-log-Desktop_Qt_5_15_2_MinGW_32_bit-Debug</value>
    </valuemap>
    <value type="qlonglong" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
   </valuemap>