diff --git a/pkg/api/data_managements.go b/pkg/api/data_managements.go
index 7acca331..3312fadc 100644
--- a/pkg/api/data_managements.go
+++ b/pkg/api/data_managements.go
@@ -216,7 +216,7 @@ func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType st
 		dataExporter = a.ezBookKeepingCsvExporter
 	}
 
-	result, err := dataExporter.ToExportedContent(uid, timezone, allTransactions, accountMap, categoryMap, tagMap, tagIndexs)
+	result, err := dataExporter.ToExportedContent(uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexs)
 
 	if err != nil {
 		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get csv format exported data for \"uid:%d\", because %s", uid, err.Error())
diff --git a/pkg/cli/user_data.go b/pkg/cli/user_data.go
index ae226769..67b6a559 100644
--- a/pkg/cli/user_data.go
+++ b/pkg/cli/user_data.go
@@ -574,7 +574,7 @@ func (l *UserDataCli) ExportTransaction(c *cli.Context, username string, fileTyp
 		dataExporter = l.ezBookKeepingCsvExporter
 	}
 
-	result, err := dataExporter.ToExportedContent(uid, time.Local, allTransactions, accountMap, categoryMap, tagMap, tagIndexs)
+	result, err := dataExporter.ToExportedContent(uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexs)
 
 	if err != nil {
 		log.BootErrorf("[user_data.ExportTransaction] failed to get csv format exported data for \"%s\", because %s", username, err.Error())
diff --git a/pkg/converters/data_converter.go b/pkg/converters/data_converter.go
index bb5c3bd2..999f3f5f 100644
--- a/pkg/converters/data_converter.go
+++ b/pkg/converters/data_converter.go
@@ -1,13 +1,11 @@
 package converters
 
 import (
-	"time"
-
 	"github.com/mayswind/ezbookkeeping/pkg/models"
 )
 
 // DataConverter defines the structure of data exporter
 type DataConverter interface {
 	// ToExportedContent returns the exported data
-	ToExportedContent(uid int64, timezone *time.Location, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error)
+	ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error)
 }
diff --git a/pkg/converters/ezbookkeeping_csv_file.go b/pkg/converters/ezbookkeeping_csv_file.go
index f1decd05..f0dc45f7 100644
--- a/pkg/converters/ezbookkeeping_csv_file.go
+++ b/pkg/converters/ezbookkeeping_csv_file.go
@@ -1,8 +1,6 @@
 package converters
 
 import (
-	"time"
-
 	"github.com/mayswind/ezbookkeeping/pkg/models"
 )
 
@@ -12,6 +10,6 @@ type EzBookKeepingCSVFileExporter struct {
 }
 
 // ToExportedContent returns the exported CSV data
-func (e *EzBookKeepingCSVFileExporter) ToExportedContent(uid int64, timezone *time.Location, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
-	return e.toExportedContent(uid, ",", timezone, transactions, accountMap, categoryMap, tagMap, allTagIndexs)
+func (e *EzBookKeepingCSVFileExporter) ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
+	return e.toExportedContent(uid, ",", transactions, accountMap, categoryMap, tagMap, allTagIndexs)
 }
diff --git a/pkg/converters/ezbookkeeping_plain_file.go b/pkg/converters/ezbookkeeping_plain_file.go
index db9ce8c4..da044154 100644
--- a/pkg/converters/ezbookkeeping_plain_file.go
+++ b/pkg/converters/ezbookkeeping_plain_file.go
@@ -17,7 +17,7 @@ const headerLine = "Time,Timezone,Type,Category,Sub Category,Account,Account Cur
 const dataLineFormat = "%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s\n"
 
 // toExportedContent returns the exported plain data
-func (e *EzBookKeepingPlainFileExporter) toExportedContent(uid int64, separator string, timezone *time.Location, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
+func (e *EzBookKeepingPlainFileExporter) toExportedContent(uid int64, separator string, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
 	var ret strings.Builder
 
 	ret.Grow(len(transactions) * 100)
diff --git a/pkg/converters/ezbookkeeping_tsv_file.go b/pkg/converters/ezbookkeeping_tsv_file.go
index 811a6302..daf72b51 100644
--- a/pkg/converters/ezbookkeeping_tsv_file.go
+++ b/pkg/converters/ezbookkeeping_tsv_file.go
@@ -1,8 +1,6 @@
 package converters
 
 import (
-	"time"
-
 	"github.com/mayswind/ezbookkeeping/pkg/models"
 )
 
@@ -12,6 +10,6 @@ type EzBookKeepingTSVFileExporter struct {
 }
 
 // ToExportedContent returns the exported TSV data
-func (e *EzBookKeepingTSVFileExporter) ToExportedContent(uid int64, timezone *time.Location, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
-	return e.toExportedContent(uid, "\t", timezone, transactions, accountMap, categoryMap, tagMap, allTagIndexs)
+func (e *EzBookKeepingTSVFileExporter) ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexs map[int64][]int64) ([]byte, error) {
+	return e.toExportedContent(uid, "\t", transactions, accountMap, categoryMap, tagMap, allTagIndexs)
 }