diff --git a/sdk/parse.go b/sdk/parse.go
index 6faf43c..f75c55a 100644
--- a/sdk/parse.go
+++ b/sdk/parse.go
@@ -98,7 +98,7 @@ func parseRowsToXLSX(rows []interface{}, filename string) error {
 }
 
 // ParseRowsToCSV
-func ParseRowsToCSV(rows []interface{}, filename string) error {
+func parseRowsToCSV(rows []interface{}, filename string) error {
 	// 首先，检查 rows 是否为空
 	if len(rows) == 0 {
 		return errors.New("rows is empty")
diff --git a/sdk/sdk_test.go b/sdk/sdk_test.go
index b9d2285..2d55033 100644
--- a/sdk/sdk_test.go
+++ b/sdk/sdk_test.go
@@ -34,7 +34,7 @@ func Test_ParseRowsToCSV(t *testing.T) {
 
 	filename := "test.csv"
 
-	if err := ParseRowsToCSV(rows, filename); err != nil {
+	if err := parseRowsToCSV(rows, filename); err != nil {
 		t.Error(err)
 	}
 
diff --git a/sdk/sync.go b/sdk/sync.go
index 93a47bc..6980226 100644
--- a/sdk/sync.go
+++ b/sdk/sync.go
@@ -58,6 +58,11 @@ func (api *APIConfig) ParamEncode() string {
 	return api.params.Encode()
 }
 
+func SyncToCSV(fileName string, api APIConfig) (int64, error) {
+	mode := "csv"
+	return SyncToFile(mode, fileName, api)
+}
+
 func SyncToFile(mode string, fileName string, api APIConfig) (int64, error) {
 	c := GetOpenAPIClient()
 	api.SetDefault()
@@ -75,7 +80,7 @@ func SyncToFile(mode string, fileName string, api APIConfig) (int64, error) {
 	}
 	switch mode {
 	case "csv":
-		err = ParseRowsToCSV(rows, fileName)
+		err = parseRowsToCSV(rows, fileName)
 	case "xlsx":
 		err = parseRowsToXLSX(rows, fileName)
 	default: