diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 27516a6..123a07a 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -161,7 +161,6 @@
     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>';
@@ -261,6 +260,7 @@
 
         var oldCpu = parseFloat(body.getAttribute('data-cpu')||(sys.cpu||{}).percent||0);
         var oldMem = parseFloat(body.getAttribute('data-mem')||(sys.memory||{}).percent||0);
+        body.setAttribute('data-cpu', (sys.cpu||{}).percent||0);
         body.setAttribute('data-mem', (sys.memory||{}).percent||0);
 
         if (isRow) {
@@ -293,7 +293,7 @@
           var trafEl = card.querySelector('.traf-val');
           var procEl = card.querySelector('.proc-val');
           var sysData = n.system || {};
-          if (loadEl && sysData.cpu) { var la = sysData.cpu.load_avg||[0,0,0]; loadEl.textContent = (la[0]+la[1]+la[2])===0 ? "N/A" : la.map(function(v){return v.toFixed(1);}).join(" / "); }
+          if (loadEl && sysData.cpu) loadEl.textContent = (sysData.cpu.load_avg||[0,0,0]).map(function(v){return v.toFixed(1);}).join(' / ');
           if (swapEl && sysData.swap) { var st = sysData.swap.total_gb||0; swapEl.textContent = st > 0 ? (sysData.swap.percent||0).toFixed(1)+'% ('+(sysData.swap.used_gb||0).toFixed(1)+'G)' : '—'; }
           // 磁盘分区列表
           var diskList = card.querySelector('.disk-list');
@@ -360,8 +360,7 @@
           animateValue(body.querySelector('.mem-val'), oldMem, memVal, 1, '%');
           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'); }
@@ -371,15 +370,9 @@ function bar(v) { return v < 60 ? 'bar-green' : (v < 85 ? 'bar-yellow' : 'bar-re
     function esc(s) { return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;'); }
 
     function pollNodes() {
-      console.log("pollNodes: fetching...");
-      fetch("/sentinel/api/nodes").then(function(r){
-        console.log("pollNodes: status="+r.status);
-        return r.json();
-      }).then(function(d){
-        console.log("pollNodes: got "+ (d.nodes ? d.nodes.length : 0) +" nodes");
+      fetch("/sentinel/api/nodes").then(function(r){return r.json()}).then(function(d){
         renderNodes(d.nodes || []);
       }).catch(function(e){
-        console.error("pollNodes error:", e);
         var grid = document.getElementById("sentinel-grid");
         if (grid && _firstRender) {
           grid.innerHTML = '<div class="card" style="text-align:center;padding:24px;color:var(--error)">连接失败 — 检查节点配置</div>';
@@ -471,5 +464,6 @@ function bar(v) { return v < 60 ? 'bar-green' : (v < 85 ? 'bar-yellow' : 'bar-re
           '<button class="btn btn-sm btn-outlined" style="color:var(--error)" onclick="deleteNode(\''+esc(n.id)+'\',\''+esc(n.name)+'\')">✕</button>'+
           '</div>';
       }).join("");
-    }))</script>
+    }
+  </script>
 </div>