diff --git a/web/controllers/contracttab_controller.go b/web/controllers/contracttab_controller.go
index bc74768..e1b4431 100644
--- a/web/controllers/contracttab_controller.go
+++ b/web/controllers/contracttab_controller.go
@@ -34,6 +34,11 @@ func InsertContracttab(ctx iris.Context) {
 		supports.Error(ctx, iris.StatusBadRequest, "json解析错误", nil)
 		return
 	}
+	var err error
+	_, err = utils.TimeParseyyyyMMdd(data.Chargetime)
+	if err != nil {
+		data.Chargetime = utils.TimeFormat(time.Now(), "yyyy-MM-dd")
+	}
 	me := new(models.Contracttab)
 	me = &data.Contracttab
 	me.Chargableexpense = data.Contracttab.Chargedexpense
@@ -71,12 +76,11 @@ func InsertContracttab(ctx iris.Context) {
 	me.Linkman = data.Contact
 	me.Begdate = data.Begindate
 	me.Lengthdate = utils.ValueToInt(fmt.Sprintf("%0.0f", lengthdate), 0)
-	me.Chargetime = utils.TimeFormat(time.Now(), "yyyy-MM-dd")
+	me.Chargetime = data.Chargetime
 	me.Createtime = utils.TimeFormat(time.Now(), "yyyyMMddHHmmss")
 	if utils.ValueIsEmpty(me.Createby) {
 		me.Createby = user.Name
 	}
-	var err error
 	if utils.ValueIsEmpty(me.Contractid) {
 		err = me.Add(data, lengthdate)
 	} else {
@@ -131,7 +135,7 @@ func UpdateContracttab(ctx iris.Context) {
 	}
 
 	me.Lengthdate = utils.ValueToInt(fmt.Sprintf("%0.0f", lengthdate), 0)
-	me.Chargetime = utils.TimeFormat(time.Now(), "yyyy-MM-dd")
+	me.Chargetime = data.Chargetime
 	me.Createtime = utils.TimeFormat(time.Now(), "yyyyMMddHHmmss")
 	if utils.ValueIsEmpty(me.Createby) {
 		me.Createby = user.Name
diff --git a/web/models/contracttab.go b/web/models/contracttab.go
index 1726f9a..782b33c 100644
--- a/web/models/contracttab.go
+++ b/web/models/contracttab.go
@@ -122,7 +122,7 @@ func (t *Contracttab) Add(me *ContractInfo, lengthdate float64) error {
 		charge.Lastmodifytime = t.Createtime
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeby = t.Createby
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
@@ -170,7 +170,7 @@ func (t *Contracttab) Add(me *ContractInfo, lengthdate float64) error {
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
 		charge.Chargeby = t.Createby
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
 		charge.Chargenr = utils.ValueToInt(cnr, 0)
@@ -216,7 +216,7 @@ func (t *Contracttab) Add(me *ContractInfo, lengthdate float64) error {
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
 		charge.Chargeby = t.Createby
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
 		charge.Chargenr = utils.ValueToInt(cnr, 0)
@@ -274,16 +274,25 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 	//t.Enddate = utils.TimeFormat(endTime, "yyyy-MM-dd")
 
 	if utils.ValueIsEmpty(t.Begdate) {
-		t.Begdate = utils.TimeFormat(time.Now(), "yyyy-MM-dd")
+		begtime, _ := utils.TimeParseyyyyMMdd(t.Enddate)
+
+		Begdate := begtime.AddDate(0, 0, 1)
+		t.Begdate = utils.TimeFormat(Begdate, "yyyy-MM-dd")
 		//根据缴费金额计算出截止日期
 		addlenght := fmt.Sprintf("%0.1f", lengthdate)
 		addmonths := strings.Split(addlenght, ".")
 		adddays := utils.ValueToInt(addmonths[1], 0)*3 - 1
-		endTime := time.Now().AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
+		endTime := Begdate.AddDate(0, utils.ValueToInt(addmonths[0], 0), adddays)
 		t.Enddate = utils.TimeFormat(endTime, "yyyy-MM-dd")
 	} else {
 		begtime, _ := utils.TimeParseyyyyMMdd(t.Begdate)
 		//根据缴费金额计算出截止日期
+		databaseBegtime, _ := utils.TimeParseyyyyMMdd(t.Enddate)
+		databaseBegtime = databaseBegtime.AddDate(0, 0, 1)
+		if begtime.Before(databaseBegtime) {
+			begtime = databaseBegtime
+		}
+		t.Begdate = utils.TimeFormat(begtime, "yyyy-MM-dd")
 		addlenght := fmt.Sprintf("%0.1f", lengthdate)
 		addmonths := strings.Split(addlenght, ".")
 		adddays := utils.ValueToInt(addmonths[1], 0)*3 - 1
@@ -318,7 +327,7 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
 		charge.Chargeby = t.Createby
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
 		charge.Chargenr = utils.ValueToInt(cnr, 0)
@@ -358,7 +367,7 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
 		charge.Chargeby = t.Createby
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
 		charge.Chargenr = utils.ValueToInt(cnr, 0)
@@ -398,7 +407,7 @@ func (t *Contracttab) Update(me *ContractInfo, lengthdate float64) error {
 		charge.Chargableexpense = t.Chargableexpense
 		charge.Chargedexpense = t.Chargedexpense
 		charge.Chargeby = t.Createby
-		charge.Chargetime = t.Chargetime
+		charge.Chargetime = me.Chargetime
 		charge.Chargeway = t.Chargeway
 		charge.Serialnumber = serialnumber
 		charge.Chargenr = utils.ValueToInt(cnr, 0)