diff --git a/agent/app/service/dashboard.go b/agent/app/service/dashboard.go
index 2e28d00de8ed..312364fa5e18 100644
--- a/agent/app/service/dashboard.go
+++ b/agent/app/service/dashboard.go
@@ -180,7 +180,7 @@ func (u *DashboardService) LoadCurrentInfo(ioOption string, netOption string) *d
 	var currentInfo dto.DashboardCurrent
 	hostInfo, _ := psutil.HOST.GetHostInfo(false)
 	currentInfo.Uptime = hostInfo.Uptime
-	currentInfo.TimeSinceUptime = time.Now().Add(-time.Duration(hostInfo.Uptime) * time.Second).Format(constant.DateTimeLayout)
+	currentInfo.TimeSinceUptime = time.Unix(int64(hostInfo.BootTime), 0).Format(constant.DateTimeLayout)
 	currentInfo.Procs = hostInfo.Procs
 	currentInfo.CPUTotal, _ = psutil.CPUInfo.GetLogicalCores(false)
 
diff --git a/frontend/src/utils/util.ts b/frontend/src/utils/util.ts
index 7e8c241385b5..aeef571a2ff2 100644
--- a/frontend/src/utils/util.ts
+++ b/frontend/src/utils/util.ts
@@ -56,14 +56,17 @@ export function getBrowserLang() {
     return defaultBrowserLang;
 }
 
-export function loadUpTime(uptime: number) {
+export function loadUpTime(timeSince: string) {
+    const targetTime = new Date(timeSince);
+    const currentTime = new Date();
+    const uptime = (currentTime.getTime() - targetTime.getTime()) / 1000;
     if (uptime <= 0) {
         return '-';
     }
     let days = Math.floor(uptime / 86400);
     let hours = Math.floor((uptime % 86400) / 3600);
     let minutes = Math.floor((uptime % 3600) / 60);
-    let seconds = uptime % 60;
+    let seconds = Math.floor(uptime % 60);
     if (days !== 0) {
         return (
             days +
diff --git a/frontend/src/views/home/index.vue b/frontend/src/views/home/index.vue
index 23f9f0fc5c1d..0de05e61e2e8 100644
--- a/frontend/src/views/home/index.vue
+++ b/frontend/src/views/home/index.vue
@@ -261,7 +261,7 @@
                                             <template #label>
                                                 <span class="system-label">{{ $t('home.runningTime') }}</span>
                                             </template>
-                                            {{ loadUpTime(currentInfo.uptime) }}
+                                            {{ loadUpTime(currentInfo.timeSinceUptime) }}
                                         </el-descriptions-item>
                                     </el-descriptions>
                                 </el-scrollbar>
@@ -689,7 +689,7 @@ const handleCopy = () => {
         '\n' +
         i18n.global.t('home.runningTime') +
         ': ' +
-        loadUpTime(currentInfo.value.uptime) +
+        loadUpTime(currentInfo.value.timeSinceUptime) +
         '\n';
     copyText(content);
 };