diff --git a/src/frontend/src/components/CheckpointPanel.tsx b/src/frontend/src/components/CheckpointPanel.tsx
index 879899a..344dbaf 100644
--- a/src/frontend/src/components/CheckpointPanel.tsx
+++ b/src/frontend/src/components/CheckpointPanel.tsx
@@ -307,7 +307,7 @@ export default function CheckpointPanel({
   if (error) return (
     <div style={{ fontSize: 12, color: '#ef4444', textAlign: 'center', padding: 20 }}>
       <div>{error}</div>
-      <button onClick={() => setCheckpoints([]) || setLoading(true)} style={{ marginTop: 8, fontSize: 11, padding: '4px 12px', borderRadius: 4, border: '1px solid var(--line)', background: 'transparent', color: 'var(--fg)', cursor: 'pointer' }}>重试</button>
+      <button onClick={() => { setCheckpoints([]); setLoading(true); }} style={{ marginTop: 8, fontSize: 11, padding: '4px 12px', borderRadius: 4, border: '1px solid var(--line)', background: 'transparent', color: 'var(--fg)', cursor: 'pointer' }}>重试</button>
     </div>
   );