diff --git a/core.go b/core.go
index b6a6261..d4b9f43 100644
--- a/core.go
+++ b/core.go
@@ -154,6 +154,10 @@ func isInTimeOfDay(t time.Time, ta TimeArrow) bool {
 			continue
 		}
 		start, end := tsp[0], tsp[1]
+		if end == "24" || end == "24:00" || end == "24:00:00" {
+			end = "23:59:59"
+		}
+
 		start = timeCompletion(start)
 		end = timeCompletion(end)
 		fmt.Println("ssee", start, end, tfdate)
@@ -171,15 +175,16 @@ func isInTimeOfDay2(t time.Time, ta TimeArrow) bool {
 		return true
 	}
 
-	t, _ = time.ParseInLocation("2006-01-02 15:04:05", "2011-01-01 "+t.Format("15:04:05"), time.Local)
+	// t, _ = time.ParseInLocation("2006-01-02 15:04:05", "2011-01-01 "+t.Format("15:04:05"), time.Local)
 
 	tfdate := t.Format("2006-01-02")
 
-	cacheKey := fmt.Sprint(t.Format("15:04:05"), strings.Join(ta.TimesOnDay, "|"))
-	ret, ok := inTimeOfDayCache.Load(cacheKey)
-	if ok {
-		return ret.(bool)
-	}
+	// cacheKey := fmt.Sprint(t.Format("15:04:05"), strings.Join(ta.TimesOnDay, "|"))
+
+	// ret, ok := inTimeOfDayCache.Load(cacheKey)
+	// if ok {
+	// 	return ret.(bool)
+	// }
 
 	// var err error
 	for k := range ta.TimesOnDay {
@@ -222,11 +227,11 @@ func isInTimeOfDay2(t time.Time, ta TimeArrow) bool {
 		}
 
 		if (t.After(startTime) || t.Equal(startTime)) && t.Before(endTime) {
-			inTimeOfDayCache.Store(cacheKey, true)
+			// inTimeOfDayCache.Store(cacheKey, true)
 			return true
 		}
 	}
-	inTimeOfDayCache.Store(cacheKey, false)
+	// inTimeOfDayCache.Store(cacheKey, false)
 	return false
 }
 
diff --git a/core_test.go b/core_test.go
index b87619b..523ef2d 100644
--- a/core_test.go
+++ b/core_test.go
@@ -49,7 +49,7 @@ func Test_timeCompletion(t *testing.T) {
 
 func Test_isInTimeOfDay(t *testing.T) {
 	rand.Seed(time.Now().Unix())
-	for k := 0; k < 10; k++ {
+	for k := 0; k < 300; k++ {
 		rt := rand.Int() % 24
 		rm := rand.Int() % 60
 		ti, err := time.ParseInLocation("2006-01-02 15:04:05", fmt.Sprintf("2020-06-08 %.2d:%.2d:00", rt, rm), time.Local)
@@ -73,6 +73,7 @@ func Test_isInTimeOfDay(t *testing.T) {
 		if ok != ok2 {
 			t.Fatal("error")
 		}
+
 		ok = isInTimeOfDay(ti, TimeArrow{
 			TimesOnDay: []string{
 				"17:00-17:10",
@@ -108,7 +109,7 @@ func Test_isInTimeOfDay(t *testing.T) {
 
 		tss = []string{}
 		for i := 0; i < 24; i++ {
-			if i == 17 {
+			if i == rt {
 				continue
 			}
 			tss = append(tss, fmt.Sprintf("%d:00-%d:30", i, i))