diff --git a/internal/exporter/iot_card_scene.go b/internal/exporter/iot_card_scene.go
index 644677b..4e448e5 100644
--- a/internal/exporter/iot_card_scene.go
+++ b/internal/exporter/iot_card_scene.go
@@ -197,15 +197,15 @@ func (s *IotCardDataSource) applyFilters(ctx context.Context, query *gorm.DB, pa
 }
 
 type iotCardExportRow struct {
-	ICCID           string
-	MSISDN          string
-	DeviceVirtualNo string
-	CarrierName     string
-	ShopName        string
-	DeviceName      string
-	RealNameStatus  int
-	FirstRealnameAt *time.Time
-	NetworkStatus   int
+	ICCID           string     `gorm:"column:iccid"`
+	MSISDN          string     `gorm:"column:msisdn"`
+	DeviceVirtualNo string     `gorm:"column:device_virtual_no"`
+	CarrierName     string     `gorm:"column:carrier_name"`
+	ShopName        string     `gorm:"column:shop_name"`
+	DeviceName      string     `gorm:"column:device_name"`
+	RealNameStatus  int        `gorm:"column:real_name_status"`
+	FirstRealnameAt *time.Time `gorm:"column:first_realname_at"`
+	NetworkStatus   int        `gorm:"column:network_status"`
 }
 
 func formatRealNameVerified(status int) string {