diff --git a/src/frontend/src/components/CheckpointPanel.tsx b/src/frontend/src/components/CheckpointPanel.tsx
index 8f04f00..32d43b9 100644
--- a/src/frontend/src/components/CheckpointPanel.tsx
+++ b/src/frontend/src/components/CheckpointPanel.tsx
@@ -142,11 +142,11 @@ function VerifyCheckpoint({
         {cp.description}
       </div>
       {/* 自动核验 */}
-      {cp.autoCheckResults?.length ? (
+      {payload.auto_checks?.length ? (
         <div style={{ marginBottom: 12 }}>
           <div style={{ fontSize: 11, fontWeight: 700, color: 'var(--muted)', marginBottom: 6 }}>自动核验结果</div>
           <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
-            {cp.autoCheckResults.map((r, i) => (
+            {payload.auto_checks.map((r, i) => (
               <span key={i} style={{ fontSize: 11, padding: '3px 10px', borderRadius: 4, background: r.passed ? '#22c55e22' : '#ef444422', color: r.passed ? '#22c55e' : '#ef4444' }}>
                 {r.passed ? '✅' : '❌'} {r.label}
               </span>
@@ -155,28 +155,20 @@ function VerifyCheckpoint({
         </div>
       ) : null}
       {/* 人工核验步骤 */}
-      {cp.verificationSteps?.length ? (
+      {payload.human_steps?.length ? (
         <div style={{ marginBottom: 12 }}>
           <div style={{ fontSize: 11, fontWeight: 700, color: 'var(--muted)', marginBottom: 6 }}>人工核验步骤</div>
           <div style={{ fontSize: 12, lineHeight: 1.8, paddingLeft: 16, borderLeft: '2px solid var(--line)' }}>
-            {cp.verificationSteps.map((s, i) => <div key={i}>{i + 1}. {s}</div>)}
+            {payload.human_steps.map((s, i) => <div key={i}>{i + 1}. {s}</div>)}
           </div>
         </div>
       ) : null}
-      {/* 关联产出物 */}
-      {cp.artifacts?.length ? (
+      {/* 预览链接 */}
+      {payload.preview_url && (
         <div style={{ marginBottom: 12 }}>
-          <div style={{ fontSize: 11, color: 'var(--muted)', marginBottom: 4 }}>📦 关联产出物</div>
-          <div style={{ display: 'flex', gap: 6, flexWrap: 'wrap' }}>
-            {cp.artifacts.map((a, i) => (
-              <a key={i} href={api.artifactDownloadUrl(taskId, a.path)} target="_blank" rel="noreferrer"
-                style={{ fontSize: 10, padding: '2px 8px', borderRadius: 4, border: '1px solid var(--line)', color: 'var(--fg)', textDecoration: 'none' }}>
-                📄 {a.name} ↗
-              </a>
-            ))}
-          </div>
+          <a href={payload.preview_url} target="_blank" rel="noreferrer" style={{ fontSize: 11, color: 'var(--acc)' }}>🔗 预览产出</a>
         </div>
-      ) : null}
+      )}
       {/* 驳回输入 */}
       {showReject && (
         <div style={{ marginBottom: 12 }}>