diff --git a/core/src/main/java/com/taobao/arthas/core/command/monitor200/DashboardCommand.java b/core/src/main/java/com/taobao/arthas/core/command/monitor200/DashboardCommand.java
index 1ffae766b..1b1738fc8 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/monitor200/DashboardCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/monitor200/DashboardCommand.java
@@ -208,7 +208,7 @@ public class DashboardCommand extends AnnotatedCommand {
         runtimeInfo.setSystemLoadAverage(ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage());
         runtimeInfo.setProcessors(Runtime.getRuntime().availableProcessors());
         runtimeInfo.setUptime(ManagementFactory.getRuntimeMXBean().getUptime() / 1000);
-        runtimeInfo.setTimestamp(new Date().getTime());
+        runtimeInfo.setTimestamp(System.currentTimeMillis());
         dashboardModel.setRuntimeInfo(runtimeInfo);
     }