diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 123a07a..84f59a0 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -293,7 +293,7 @@
           var trafEl = card.querySelector('.traf-val');
           var procEl = card.querySelector('.proc-val');
           var sysData = n.system || {};
-          if (loadEl && sysData.cpu) loadEl.textContent = (sysData.cpu.load_avg||[0,0,0]).map(function(v){return v.toFixed(1);}).join(' / ');
+          if (loadEl && sysData.cpu) loadEl.textContent = 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 (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');
diff --git a/services/web_panel/utils/system_info.py b/services/web_panel/utils/system_info.py
index ae16f87..f48799c 100644
--- a/services/web_panel/utils/system_info.py
+++ b/services/web_panel/utils/system_info.py
@@ -75,10 +75,16 @@ class SystemInfoCollector:
 
     def _get_cpu(self) -> Dict[str, Any]:
         if self.psutil:
+            load = [0, 0, 0]
+            if hasattr(os, 'getloadavg'):
+                load = os.getloadavg()
+            elif hasattr(self.psutil, 'getloadavg'):
+                try: load = list(self.psutil.getloadavg())
+                except: pass
             return {
                 "percent": self.psutil.cpu_percent(interval=0.1),
                 "cores": self.psutil.cpu_count(),
-                "load_avg": os.getloadavg() if hasattr(os, 'getloadavg') else [0, 0, 0]
+                "load_avg": load
             }
         try:
             load = os.getloadavg() if hasattr(os, "getloadavg") else [0.0, 0.0, 0.0]