diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 0533244..4c72540 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -161,6 +161,7 @@
     var _firstRender = true;
 
     function renderNodes(nodes) {
+      try {
       var grid = document.getElementById("sentinel-grid");
       if (!nodes.length) {
         grid.innerHTML = '<div class="card" style="text-align:center;padding:24px;color:var(--text-dim)">暂无节点 — 切换到节点管理添加</div>';
@@ -360,6 +361,7 @@
           card.querySelector('.node-time').innerHTML = '<div style="font-size:.7rem;color:var(--text-dim);margin-top:8px">'+(n.last_seen ? new Date(n.last_seen*1000).toLocaleTimeString() : '—')+'</div>';
         }
     }
+      } catch(e) { console.error('renderNodes error:', e); }
 
 function bar(v) { return v < 60 ? 'bar-green' : (v < 85 ? 'bar-yellow' : 'bar-red'); }
     function fmtSizeGB(p) { var u=p.used_gb||0, t=p.total_gb||0; return fmtSize(u*1073741824)+' / '+fmtSize(t*1073741824); }