diff --git a/src/elderly/utils/sdkLoader.ts b/src/elderly/utils/sdkLoader.ts
new file mode 100644
index 0000000..0072910
--- /dev/null
+++ b/src/elderly/utils/sdkLoader.ts
@@ -0,0 +1,62 @@
+/**
+ * Utility to dynamically load the xmov SDK script
+ */
+
+const XMOV_SDK_URL = 'https://media.youyan.xyz/youling-lite-sdk/index.umd.0.1.0-alpha.63.js';
+
+let isSDKLoaded = false;
+let isSDKLoading = false;
+let loadPromise: Promise<void> | null = null;
+
+export const loadXmovSDK = (): Promise<void> => {
+  if (isSDKLoading && loadPromise) {
+    return loadPromise;
+  }
+
+  if (isSDKLoaded && window.XmovAvatar) {
+    return Promise.resolve();
+  }
+
+  isSDKLoading = true;
+
+  loadPromise = new Promise((resolve, reject) => {
+    if (window.XmovAvatar) {
+      isSDKLoaded = true;
+      isSDKLoading = false;
+      resolve();
+      return;
+    }
+
+    const script = document.createElement('script');
+    script.src = XMOV_SDK_URL;
+    script.async = true;
+
+    script.onload = () => {
+      if (window.XmovAvatar) {
+        console.log('[SDK Loader] xmov SDK loaded successfully');
+        isSDKLoaded = true;
+        isSDKLoading = false;
+        resolve();
+      } else {
+        const error = new Error('XmovAvatar not found on window after script load');
+        console.error('[SDK Loader]', error);
+        isSDKLoading = false;
+        reject(error);
+      }
+    };
+
+    script.onerror = (error) => {
+      console.error('[SDK Loader] Failed to load xmov SDK:', error);
+      isSDKLoading = false;
+      reject(new Error('Failed to load xmov SDK script'));
+    };
+
+    document.head.appendChild(script);
+  });
+
+  return loadPromise;
+};
+
+export const isXmovSDKLoaded = (): boolean => {
+  return isSDKLoaded && !!window.XmovAvatar;
+};