diff --git a/README.md b/README.md
index 7d32242..e0a09b8 100644
--- a/README.md
+++ b/README.md
@@ -197,18 +197,7 @@ npx hardhat run scripts/deploy.ts --network passethub
 npx hardhat run scripts/deployandtest.ts --network passethub
 ```
 
-**2.4 Deployment & Testing Feedback**
-![](./pic/d1.PNG)
-![](./pic/d2.PNG)
-![](./pic/d3.PNG)
-![](./pic/d4.PNG)
-![](./pic/d5.PNG)
-![](./pic/d6.PNG)
-![](./pic/d7.PNG)
-![](./pic/d8.PNG)
-![](./pic/d9.PNG)
-
-**2.5 Return to Project Root Directory**
+**2.4 Return to Project Root Directory**
 
 ```bash
 cd ../..
diff --git a/public/ppt/ppt-zh.html b/public/ppt/ppt-zh.html
index efe8c0e..9510542 100644
--- a/public/ppt/ppt-zh.html
+++ b/public/ppt/ppt-zh.html
@@ -478,6 +478,33 @@
         .arch-chain {
             background: #34d399;
         }
+        
+        /* 新增：演示视频按钮样式 */
+        .demo-video-btn {
+            display: inline-flex;
+            align-items: center;
+            gap: 0.5rem;
+            background: linear-gradient(to right, #dc2626, #b91c1c);
+            color: white;
+            padding: 0.75rem 1.5rem;
+            border-radius: 8px;
+            text-decoration: none;
+            font-weight: 600;
+            margin-top: 1.5rem;
+            box-shadow: 0 4px 6px rgba(220, 38, 38, 0.2);
+            transition: all 0.3s ease;
+        }
+
+        .demo-video-btn:hover {
+            transform: translateY(-2px);
+            box-shadow: 0 6px 12px rgba(220, 38, 38, 0.3);
+            background: linear-gradient(to right, #b91c1c, #991b1b);
+        }
+
+        .demo-video-btn svg {
+            width: 20px;
+            height: 20px;
+        }
     </style>
 </head>
 
@@ -577,9 +604,6 @@ <h2>项目简介</h2>
                 <img src="/ppt/snapshot.png" alt="项目截图">
             </div>
             <p>ArrowTower 是一个基于 Polkadot 生态的地理位置打卡平台，支持一键式平台部署,多场景适用，通过<strong>零 Gas 费</strong>后端代铸造技术，让用户无门槛体验 Web3。游客完成特色路线打卡和互动任务后，系统自动发放独特 NFT 数字纪念品，无需用户了解Gas费或支付费用，学习钱包使用与签名。</p>
-            
-            
-           
         </div>
     </section>
 
@@ -591,6 +615,14 @@ <h2>项目演示</h2>
                 <img src="/ppt/group.svg" alt="箭塔村地图">
             </div>
             <p>体验箭塔村特色旅游路线，完成打卡获取 NFT 纪念品</p>
+            
+            <!-- 新增：演示视频按钮 -->
+            <a href="https://www.youtube.com/watch?v=JfxSr21KQvI&list=PLSxG9RE8DA9W12WwKVEyp4oYge_6bhpsO" class="demo-video-btn" target="_blank">
+                <svg viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M8 5v14l11-7z"/>
+                </svg>
+                演示视频
+            </a>
         </div>
     </section>
 
diff --git a/public/ppt/ppt.html b/public/ppt/ppt.html
index 3905b7d..cad32a1 100644
--- a/public/ppt/ppt.html
+++ b/public/ppt/ppt.html
@@ -477,6 +477,33 @@
         .arch-chain {
             background: #34d399;
         }
+
+        /* 新增：演示视频按钮样式 */
+        .demo-video-btn {
+            display: inline-flex;
+            align-items: center;
+            gap: 0.5rem;
+            background: linear-gradient(to right, #dc2626, #b91c1c);
+            color: white;
+            padding: 0.75rem 1.5rem;
+            border-radius: 8px;
+            text-decoration: none;
+            font-weight: 600;
+            margin-top: 1.5rem;
+            box-shadow: 0 4px 6px rgba(220, 38, 38, 0.2);
+            transition: all 0.3s ease;
+        }
+
+        .demo-video-btn:hover {
+            transform: translateY(-2px);
+            box-shadow: 0 6px 12px rgba(220, 38, 38, 0.3);
+            background: linear-gradient(to right, #b91c1c, #991b1b);
+        }
+
+        .demo-video-btn svg {
+            width: 20px;
+            height: 20px;
+        }
     </style>
 </head>
 
@@ -583,6 +610,14 @@ <h2>Project Demo</h2>
                 <img src="/ppt/group.svg" alt="Arrow Tower Village Map">
             </div>
             <p>Experience Arrow Tower Village's featured tourism routes, complete check-ins to earn NFT souvenirs</p>
+            
+            <!-- 新增：演示视频按钮 -->
+            <a href="https://www.youtube.com/watch?v=Yy2VQyNbHfQ" class="demo-video-btn" target="_blank">
+                <svg viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M8 5v14l11-7z"/>
+                </svg>
+                Watch Demo Video
+            </a>
         </div>
     </section>