diff --git a/repository/park.go b/repository/park.go
index eb51cc1..8aa2126 100644
--- a/repository/park.go
+++ b/repository/park.go
@@ -7,7 +7,7 @@ import (
 	"electricity_bill_calc/model"
 	"electricity_bill_calc/tools"
 	"electricity_bill_calc/tools/serial"
-	"electricity_bill_calc/tools/time"
+	"electricity_bill_calc/types"
 	"fmt"
 	"strings"
 
@@ -99,7 +99,7 @@ func (pr _ParkRepository) CreatePark(ownerId string, park *model.Park) (bool, er
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	createSql, createArgs, _ := pr.ds.
 		Insert("park").
 		Cols(
@@ -183,7 +183,7 @@ func (pr _ParkRepository) UpdatePark(pid string, park *model.Park) (bool, error)
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park").
 		Set(goqu.Record{
@@ -228,7 +228,7 @@ func (pr _ParkRepository) EnablingPark(pid string, enabled bool) (bool, error) {
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park").
 		Set(goqu.Record{
@@ -257,7 +257,7 @@ func (pr _ParkRepository) DeletePark(pid string) (bool, error) {
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park").
 		Set(goqu.Record{
@@ -346,7 +346,7 @@ func (pr _ParkRepository) CreateParkBuilding(pid, name string, floor *string) (b
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	createSql, createArgs, _ := pr.ds.
 		Insert("park_building").
 		Cols(
@@ -378,7 +378,7 @@ func (pr _ParkRepository) ModifyParkBuilding(id, pid, name string, floor *string
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park_building").
 		Set(goqu.Record{
@@ -412,7 +412,7 @@ func (pr _ParkRepository) EnablingParkBuilding(id, pid string, enabled bool) (bo
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park_building").
 		Set(goqu.Record{
@@ -445,7 +445,7 @@ func (pr _ParkRepository) DeleteParkBuilding(id, pid string) (bool, error) {
 	ctx, cancel := global.TimeoutContext()
 	defer cancel()
 
-	timeNow := time.Now()
+	timeNow := types.Now()
 	updateSql, updateArgs, _ := pr.ds.
 		Update("park_building").
 		Set(goqu.Record{
diff --git a/repository/user.go b/repository/user.go
index d451673..b0ed5c8 100644
--- a/repository/user.go
+++ b/repository/user.go
@@ -8,10 +8,10 @@ import (
 	"electricity_bill_calc/logger"
 	"electricity_bill_calc/model"
 	"electricity_bill_calc/tools"
-	"electricity_bill_calc/tools/time"
+	"electricity_bill_calc/types"
 	"fmt"
 	"strings"
-	stdTime "time"
+	"time"
 
 	"github.com/doug-martin/goqu/v9"
 	_ "github.com/doug-martin/goqu/v9/dialect/postgres"
@@ -181,7 +181,7 @@ func (ur _UserRepository) CreateUser(user model.User, detail model.UserDetail, o
 		return false, err
 	}
 
-	createdTime := time.Now()
+	createdTime := types.Now()
 	userSql, userParams, _ := ur.ds.
 		Insert("user").
 		Rows(
@@ -331,7 +331,7 @@ func (ur _UserRepository) UpdateDetail(uid string, userDetail model.UserModifica
 	updates := goqu.Record{
 		"name": userDetail.Name, "abbr": tools.PinyinAbbr(userDetail.Name), "region": userDetail.Region,
 		"address": userDetail.Address, "contact": userDetail.Contact, "phone": userDetail.Phone,
-		"last_modified_at": time.Now(), "last_modified_by": operator,
+		"last_modified_at": types.Now(), "last_modified_by": operator,
 	}
 	if userDetail.UnitServiceFee != nil {
 		updates = lo.Assign(updates, goqu.Record{"unit_service_fee": userDetail.UnitServiceFee})
@@ -451,7 +451,7 @@ func (ur _UserRepository) SearchUsersWithLimit(userType *int16, keyword *string,
 }
 
 // 更新指定用户的服务有效期限
-func (ur _UserRepository) UpdateServiceExpiration(tx pgx.Tx, ctx context.Context, uid string, expiration stdTime.Time) (bool, error) {
+func (ur _UserRepository) UpdateServiceExpiration(tx pgx.Tx, ctx context.Context, uid string, expiration time.Time) (bool, error) {
 	ur.log.Info("更新指定用户的服务有效期限。", zap.String("user id", uid))
 
 	userDetailUpdateQuery := ur.ds.