diff --git a/common/model/staff_info.go b/common/model/staff_info.go
index 0727b7c..8d42d77 100644
--- a/common/model/staff_info.go
+++ b/common/model/staff_info.go
@@ -15,6 +15,7 @@ type StaffInfo struct {
 	Salary       string
 	EntryDate    string
 	OfficialDate string
+	LeaveDate    string
 	BirthDate    string
 	BankName     string
 	BankCard     string
diff --git a/worker/staff.go b/worker/staff.go
index 2e74bf0..b260c6b 100644
--- a/worker/staff.go
+++ b/worker/staff.go
@@ -110,7 +110,7 @@ func (s *Staff) SyncStaffSalary(month string) {
 		month = time.Now().AddDate(0, -1, 0).Format("2006-01")
 	}
 	month = strings.ReplaceAll(month, "-", "")
-	//totalDays := s.getTotalWorkDay(month)
+	maxTotalDays := s.getTotalWorkDayMax(month)
 	monthTime, _ := time.ParseInLocation("200601", month, time.Local)
 	startDate := cast.ToInt(monthTime.Format("20060102"))
 	endDate := cast.ToInt(monthTime.AddDate(0, 1, -1).Format("20060102"))
@@ -135,8 +135,10 @@ func (s *Staff) SyncStaffSalary(month string) {
 
 		entryTime, _ := time.ParseInLocation("2006-01-02", staff.EntryDate, time.Local)
 		officalTime, _ := time.ParseInLocation("2006-01-02", staff.OfficialDate, time.Local)
+		leaveTime, _ := time.ParseInLocation("2006-01-02", staff.LeaveDate, time.Local)
 		isEntryMonth := goutil.If(cast.ToInt(entryTime.Format("200601")) == cast.ToInt(month), true, false)
 		isOfficialMonth := goutil.If(cast.ToInt(officalTime.Format("200601")) == cast.ToInt(month), true, false)
+		isLeaveMonth := goutil.If(cast.ToInt(leaveTime.Format("200601")) == cast.ToInt(month), true, false)
 
 		config, err := dao.NewUserConfigDao().GetByUsername(staff.Username)
 		if err != nil {
@@ -159,7 +161,8 @@ func (s *Staff) SyncStaffSalary(month string) {
 
 		//社保
 		socialInsurence := cast.ToFloat64(config.Get(model.StaffSalarySocialInsurence))
-		if isEntryMonth && entryTime.Day() >= 15 {
+		//if isEntryMonth && entryTime.Day() >= 15 {
+		if isEntryMonth { //入职月不买社保
 			socialInsurence = 0
 		}
 
@@ -191,6 +194,11 @@ func (s *Staff) SyncStaffSalary(month string) {
 			discount = discount*float64(officialDate-startDate)/totalMonthDay + 1*float64(endDate-officialDate+1)/totalMonthDay
 		}
 
+		// 入职月或离职月以大多数人的出勤天数为准
+		if isEntryMonth || isLeaveMonth {
+			totalDays = maxTotalDays
+		}
+
 		realWorkDays = realWorkDays + surplusHoliday
 		attendSalary := salary.BaseSalary * (realWorkDays / float64(totalDays)) * discount
 		staffSalaryPerDay := cast.ToFloat64(config.Get(model.StaffSalaryPerDay))
@@ -289,7 +297,8 @@ func (s *Staff) getTotalWorkDay(username, month string) int64 {
 	checkins, _ := dao.NewCheckinDao().Query(username, month, false)
 	return int64(len(checkins))
 }
-func (s *Staff) getTotalWorkDay_bak(month string) int64 {
+
+func (s *Staff) getTotalWorkDayMax(month string) int64 {
 	// 最多人数的应出勤天数 为真正的出勤天数
 	userCounts, err := dao.NewCheckinDao().CountUsername(month)
 	if err != nil {