diff --git a/when/parse.go b/when/parse.go
index b23afd5..c18a786 100644
--- a/when/parse.go
+++ b/when/parse.go
@@ -13,7 +13,7 @@ func matchPeriodPattern01(base time.Time, str string) (startimer.StarTimer, erro
 	str = transChn(str)
 	var rpt startimer.Repeats
 	var duration time.Duration
-	reg := regexp.MustCompile(`(每隔|每)?(\d{0,4}年)?(\d{0,5}个?月)?(\d{0,4}[明后大]{0,4}[日号天])?([上中下午夜早凌清晨傍晚里]+)?(\d{1,4}个?[点小时钟:]+)?(\d{1,4}[分:])?(\d{1,10}秒?)?(后)?`)
+	reg := regexp.MustCompile(`(每隔|每)?(\d{0,4}年)?(\d{0,5}个?月)?(\d{0,4}[明后大]{0,4}[日号天])?([上中下午夜早凌清晨傍晚里]+)?(\d{1,4}个?[点小时钟:]+)?(\d{0,4}[半分:]?[钟]?)?(\d{1,10}[秒]?[钟]?)?(后)?`)
 	if reg.MatchString(str) {
 		pts := reg.FindStringSubmatch(str)
 		setAsDate := false
@@ -113,6 +113,9 @@ func matchPeriodPattern01(base time.Time, str string) (startimer.StarTimer, erro
 			}
 		}
 		if pts[7] != "" {
+			if pts[7] == "半" {
+				pts[7] = "30"
+			}
 			if rpt.Every == setAsDate {
 				rpt.Repeat = append(rpt.Repeat, startimer.Repeat{Unit: startimer.STAR_MINUTE, Value: uint32(getNumbers(pts[7]))})
 			} else if rpt.Every && !setAsDate {
diff --git a/when/parse_test.go b/when/parse_test.go
index afcacac..57a3876 100644
--- a/when/parse_test.go
+++ b/when/parse_test.go
@@ -9,7 +9,7 @@ import (
 func TestParse(t *testing.T) {
 	for _, code := range []string{"一个小时后告诉我事情", "三个小时后爱我", "每两个小时提醒我吃饭",
 		"每五个月零二十五天三小时25分15秒告诉我时间", "5月23日上午3点24分12秒打我", "周五上午11点提醒我", "5时25分提醒我",
-		"每周一到周五上午8点提醒我吃饭", "每天晚上8点提醒我吃饭", "每月16号晚上8点提醒我吃饭"} {
+		"每周一到周五上午8点提醒我吃饭", "每天晚上8点提醒我吃饭", "每月16号晚上8点提醒我吃饭", "晚上8:30提醒我", "晚上八点半提醒我", "6分钟后提醒我"} {
 		a, _ := WhenWithPeriod(code)
 		//fmt.Println(a.Repeats()[0])
 		fmt.Println(a.NextTimer(), a.RunCountLimit(), code)
@@ -18,7 +18,7 @@ func TestParse(t *testing.T) {
 }
 
 func TestSigParse(t *testing.T) {
-	for _, code := range []string{"每月16号晚上8点提醒我吃饭"} {
+	for _, code := range []string{"6分钟后提醒我"} {
 		a, _ := WhenWithPeriod(code)
 		//fmt.Println(a.Repeats()[0])
 		fmt.Println(a.NextTimer(), a.RunCountLimit(), code)