diff --git a/plugins/sentinel/dashboard.html b/plugins/sentinel/dashboard.html
index 9828821..a1a33e0 100644
--- a/plugins/sentinel/dashboard.html
+++ b/plugins/sentinel/dashboard.html
@@ -366,7 +366,7 @@
             try {
               if (charts.cpu) charts.cpu.update(cpuVal);
               if (charts.mem) charts.mem.update(memVal);
-              if (charts.net) { charts.net.update(net.rx_bytes_sec||0, net.tx_bytes_sec||0); if (charts.net.maxVal < 102400) charts.net.maxVal = 102400; }
+              if (charts.net) { charts.net.update(net.rx_bytes_sec||0, net.tx_bytes_sec||0); if (charts.net.maxVal < 102400) { charts.net.maxVal = 102400; charts.net._draw(); } }
             } catch(e) {}
           }
           // 更新额外指标