diff --git a/when/parse.go b/when/parse.go
index ac749e4..b5c1a4b 100644
--- a/when/parse.go
+++ b/when/parse.go
@@ -179,7 +179,7 @@ func matchPeriodPattern01(base time.Time, str string) (startimer.StarTimer, erro
 func matchPeroidPattern02(base time.Time, str string) (startimer.StarTimer, error) {
 	str = transChn(str)
 	var rpt startimer.Repeats
-	reg := regexp.MustCompile(`(每)?([周星期礼拜][周礼拜星期到1-6日天]+)+的?([上中下午夜早凌清晨傍晚里]+)?(\d{1,4}[个点时:]+)?(\d{1,4}[分:])?(\d{1,10}秒?)?`)
+	reg := regexp.MustCompile(`(每)?([周星期礼拜][周礼拜星期到1-6日天]+)+的?([上中下午夜早凌清晨傍晚里]+)?(\d{1,4}[个点时:]+)?(\d{0,4}[分半:]?钟?)?(\d{1,10}秒?钟?)?`)
 	if reg.MatchString(str) {
 		pts := reg.FindStringSubmatch(str)
 		if pts[2] != "" {
@@ -236,6 +236,9 @@ func matchPeroidPattern02(base time.Time, str string) (startimer.StarTimer, erro
 			rpt.Repeat = append(rpt.Repeat, startimer.Repeat{Unit: startimer.STAR_HOUR, Value: hour})
 		}
 		if pts[5] != "" {
+			if pts[5] == "半" {
+				pts[5] = "30"
+			}
 			rpt.Repeat = append(rpt.Repeat, startimer.Repeat{Unit: startimer.STAR_MINUTE, Value: uint32(getNumbers(pts[5]))})
 		} else if hour != 0 {
 			rpt.Repeat = append(rpt.Repeat, startimer.Repeat{Unit: startimer.STAR_MINUTE, Value: 0})
diff --git a/when/parse_test.go b/when/parse_test.go
index 3e9d479..215c9a9 100644
--- a/when/parse_test.go
+++ b/when/parse_test.go
@@ -18,7 +18,7 @@ func TestParse(t *testing.T) {
 }
 
 func TestSigParse(t *testing.T) {
-	for _, code := range []string{"6分钟后提醒我"} {
+	for _, code := range []string{"每周一到周五下午10:20提醒我"} {
 		a, _ := WhenWithPeriod(code)
 		//fmt.Println(a.Repeats()[0])
 		fmt.Println(a.NextTimer(), a.RunCountLimit(), code)