diff --git a/frontend/src/pages/login/QRCodeLogin.tsx b/frontend/src/pages/login/QRCodeLogin.tsx
index 164b4e6..4f47e19 100644
--- a/frontend/src/pages/login/QRCodeLogin.tsx
+++ b/frontend/src/pages/login/QRCodeLogin.tsx
@@ -90,16 +90,20 @@ export default function QRCodeLogin({ visible, onClose }: QRCodeLoginProps) {
         if (window.QRLogin) {
           console.log('✅ Using Feishu QR SDK')
           // 使用飞书官方 QR SDK
-          if (qrContainerRef.current) {
-            qrContainerRef.current.innerHTML = ''
+          // 先清空容器内容（保留容器元素本身）
+          const container = document.getElementById('feishu-qrcode-container')
+          if (container) {
+            container.innerHTML = ''
           }
-
-          qrObjRef.current = window.QRLogin({
-            id: 'feishu-qrcode-container',
-            goto: authUrl,
-            width: '200',
-            height: '200',
-          })
+          // 确保 DOM 已渲染后再调用 SDK
+          setTimeout(() => {
+            qrObjRef.current = window.QRLogin({
+              id: 'feishu-qrcode-container',
+              goto: authUrl,
+              width: '200',
+              height: '200',
+            })
+          }, 50)
 
           setStatus('pending')
           startPolling(result.data.session_id)