diff --git a/figures/architecture.png b/figures/architecture.png
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diff --git a/presentation.md b/presentation.md
index 4616966..ab2c819 100644
--- a/presentation.md
+++ b/presentation.md
@@ -130,6 +130,7 @@ style: |
 <div class="eyebrow">Final Project Presentation</div>
 
 # Hightube 项目验收汇报
+
 ## 成果与展望：构建私有化直播生态
 
 <p class="lead">已实现从<strong>高并发流引擎、后端性能优化</strong>到<strong>多端自适应拉流与公网部署</strong>的完整闭环。</p>
@@ -166,7 +167,7 @@ style: |
 <div class="toc-item">
   <span class="toc-num">03</span>
   <div>
-    <span class="toc-text">核心突破①：后端性能优化</span>
+    <span class="toc-text">后端性能优化</span>
     <div class="toc-sub">SQLite 调优、内存缓存与 bufio 缓冲</div>
   </div>
 </div>
@@ -174,7 +175,7 @@ style: |
 <div class="toc-item">
   <span class="toc-num">04</span>
   <div>
-    <span class="toc-text">核心突破②：网络与公网部署</span>
+    <span class="toc-text">网络与公网部署</span>
     <div class="toc-sub">FRP 内网穿透反向隧道与 Caddy 路由</div>
   </div>
 </div>
@@ -313,6 +314,25 @@ style: |
 ---
 
 <!-- _class: compact -->
+<style scoped>
+  section { padding: 25px 40px 15px; }
+  h1 { margin-bottom: 6px; }
+</style>
+
+# 项目总体架构
+
+<div style="text-align: center; margin-top: -8px; margin-bottom: 4px;">
+  <img src="figures/architecture.png" width="1140" style="display:block; margin: 0 auto; border-radius: 12px; box-shadow: 0 4px 16px rgba(0,0,0,0.12);" />
+</div>
+
+<!-- <p style="margin: 0; font-size: 14.5px; text-align: center; color: var(--muted);">利用 <strong>FRP 内网穿透</strong> 与 <strong>Caddy 反向代理</strong>，实现零公网 IP 本地服务器的公网安全暴露。</p> -->
+
+---
+
+<!-- _class: compact -->
+
+# 性能测试结果
+
 <style scoped>
   section { padding: 40px 58px 30px; }
   table { font-size: 11px !important; line-height: 1.2; width: 100%; table-layout: fixed; border-collapse: collapse; }
@@ -423,8 +443,8 @@ style: |
   <div class="card">
     <img src="figures/hightube-official.png" />
     <div style="text-align: center;">
-      <h3>Web 平台主页</h3>
-      <p>展示活跃直播间列表与 12s 定期封面图轮询</p>
+      <h3>项目主页</h3>
+      <p>介绍项目背景、功能与技术栈并提供二进制文件下载</p>
     </div>
   </div>
   <div class="card">
@@ -503,7 +523,7 @@ style: |
       </thead>
       <tbody>
         <tr>
-          <td><strong>程景愉<br/>(本人)</strong></td>
+          <td><strong>程景愉</strong></td>
           <td>项目总体管理，前后端核心基础版本设计开发，系统公网隧道穿透与Caddy反向代理分布式部署。</td>
         </tr>
         <tr>
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