diff --git a/frontend/src/pages/login/QRCodeLogin.tsx b/frontend/src/pages/login/QRCodeLogin.tsx
index 2caa33c..28fbdb3 100644
--- a/frontend/src/pages/login/QRCodeLogin.tsx
+++ b/frontend/src/pages/login/QRCodeLogin.tsx
@@ -59,6 +59,18 @@ export default function QRCodeLogin({ visible, onClose }: QRCodeLoginProps) {
     setQrcodeUrl('')
 
     try {
+      // 等待一小段时间确保 SDK 已加载
+      await new Promise(resolve => setTimeout(resolve, 100))
+
+      // 检查飞书 QR SDK 是否已加载
+      if (!window.QR) {
+        console.warn('⚠️ Feishu QR SDK not loaded, trying to wait...')
+        // 再等待一段时间
+        await new Promise(resolve => setTimeout(resolve, 500))
+      }
+
+      console.log('🔍 window.QR:', !!window.QR)
+
       // 生成登录会话
       const response = await fetch('/api/v1/auth/qrcode-login', {
         method: 'POST',