diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 57dc9f7..0a616b5 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -253,13 +253,7 @@
 
           if (isRow) {
             var charts = _chartInstances[id];
-            if (!charts) {
-              // MiniChart 未加载, 回退到网格模式
-              _layoutMode = 'grid';
-              toggleLayout();
-              return;
-            }
-            if (charts[0]) {
+            if (charts && charts[0]) {
               charts[0].update(cpuVal);
               charts[1].update(memVal);
               charts[2].update(net.rx_bytes_sec||0);