diff --git a/gncs.html b/gncs.html
index 2b6cef6..07b843b 100644
--- a/gncs.html
+++ b/gncs.html
@@ -110,6 +110,11 @@
             <span>屏幕锁定密码解锁</span>
             <div class="toggle-btn" id="unlock-btn"></div>
         </div>
+
+        <div class="function-item">
+            <span>测量大小校准</span>
+            <div class="toggle-btn" id="calibrateBtn"></div>
+        </div>
     </div>
 
     <!-- JavaScript -->
@@ -118,6 +123,7 @@
         const cameraBtn = document.getElementById('camera-btn');
         const faceBtn = document.getElementById('face-btn');
         const unlockBtn = document.getElementById('unlock-btn');
+        const calibrateBtn = document.getElementById('calibrateBtn');
 
         // 存储当前打开的测试按钮
         let activeButton = null;
@@ -146,6 +152,12 @@
         cameraBtn.addEventListener('click', () => toggleButton(cameraBtn, '摄像头'));
         faceBtn.addEventListener('click', () => toggleButton(faceBtn, '人脸距离过近'));
         unlockBtn.addEventListener('click', () => toggleButton(unlockBtn, '屏幕锁定密码解锁'));
+        unlockBtn.addEventListener('click', () => {
+            toggleButton(calibrateBtn, '测量大小校准');
+            alert('请保持脸在距离摄像头30cm处，进行校准');
+        });
+
+        
     </script>
 
     <!-- 导航栏 -->