diff --git a/internal/nodes/task_trim_disks.go b/internal/nodes/task_trim_disks.go
index 4b3b671..31550a3 100644
--- a/internal/nodes/task_trim_disks.go
+++ b/internal/nodes/task_trim_disks.go
@@ -24,15 +24,17 @@ func NewTrimDisksTask() *TrimDisksTask {
 // Start the task
 func (this *TrimDisksTask) Start() {
 	// execute once
-	err := this.loop()
-	if err != nil {
-		remotelogs.Warn("TRIM_DISKS", "trim disks failed: "+err.Error())
+	if idles.IsMinHour() {
+		err := this.loop()
+		if err != nil {
+			remotelogs.Warn("TRIM_DISKS", "trim disks failed: "+err.Error())
+		}
 	}
 
 	var ticker = time.NewTicker(2 * 24 * time.Hour) // every 2 days
 	idles.RunTicker(ticker, func() {
 		// run the task
-		err = this.loop()
+		err := this.loop()
 		if err != nil {
 			remotelogs.Warn("TRIM_DISKS", "trim disks failed: "+err.Error())
 		}
diff --git a/internal/utils/idles/run.go b/internal/utils/idles/run.go
index 0f65bfd..ef0635c 100644
--- a/internal/utils/idles/run.go
+++ b/internal/utils/idles/run.go
@@ -11,6 +11,7 @@ import (
 	"github.com/shirou/gopsutil/v3/load"
 	"math"
 	"os"
+	"slices"
 	"sort"
 	"time"
 )
@@ -124,6 +125,11 @@ func RunTicker(ticker *time.Ticker, f func()) {
 	}
 }
 
+func IsMinHour() bool {
+	var minLoadHours = sharedMinLoadHours // copy
+	return len(minLoadHours) > 0 && slices.Contains(minLoadHours, time.Now().Hour())
+}
+
 func calculateMinLoadHours() {
 	var allLoads = []*HourlyLoad{}
 	for _, v := range hourlyLoadMap {
diff --git a/internal/utils/idles/run_test.go b/internal/utils/idles/run_test.go
index 8aeae47..100f4f2 100644
--- a/internal/utils/idles/run_test.go
+++ b/internal/utils/idles/run_test.go
@@ -44,3 +44,7 @@ func TestRunTicker(t *testing.T) {
 		t.Log(timeutil.Format("H:i:s"), "run once")
 	})
 }
+
+func TestIsMinHour(t *testing.T) {
+	t.Log(idles.IsMinHour())
+}