add station name

vo.go

@@ -40,7 +40,7 @@ type ClientPriceUpdate struct {
 	Model
 	CompanyId     uint64 `json:"company_id"`   // only used by FOS
 	StationId     uint64 `json:"station_id"`   // only used by FOS
-	StationName   uint64 `json:"station_name"` // only used by FOS
+	StationName   string `json:"station_name"` // only used by FOS
 	PriceUpdateId uint64 `json:"price_update_id"`
 	GradeId       uint64 `json:"grade_id"`
 	GradeText     string `json:"grade_text"`