diff --git a/web/models/contracttab.go b/web/models/contracttab.go
index 673a755..93b786d 100644
--- a/web/models/contracttab.go
+++ b/web/models/contracttab.go
@@ -273,7 +273,7 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 		addmonths := strings.Split(addlenght, ".")
 		adds := utils.ValueToFloat(addmonths[1], 0.0) * 0.3
 		adddays := utils.ValueToInt(adds, 0) - 1
-		endTime := time.Now().AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
+		endTime := begtime.AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
 		t.Enddate = utils.TimeFormat(endTime, "yyyy-MM-dd")
 	} else {
 		begtime, _ := utils.TimeParseyyyyMMdd(t.Begdate)
@@ -288,7 +288,7 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 		addmonths := strings.Split(addlenght, ".")
 		adds := utils.ValueToFloat(addmonths[1], 0.0) * 0.3
 		adddays := utils.ValueToInt(adds, 0) - 1
-		endTime := time.Now().AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
+		endTime := begtime.AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
 		t.Enddate = utils.TimeFormat(endTime, "yyyy-MM-dd")
 	}
 	_, err = session.Table("contracttab").Cols("linkman", "mobile", "begdate", "enddate", "createtime", "createby", "lengthdate", "chargableexpense", "chargedexpense", "remake", "chargetime", "chargeway", "serialnumber").Where("cid = ? and contractid = ?", t.Cid, t.Contractid).Update(t)