修改回冲文件生成逻辑

etl_task/BackFlushShipOrder.go

@@ -219,11 +219,11 @@ func main() {
 			}
 			artErpQtyMap[article.ArtSpec3] = qty
 		}
-		if len(shipOrderId) < 5 {
+		if len(shipOrderId) < 15 {
 			fmt.Println("发运单号格式错误, 发运单号:" + shipOrderId)
 			return
 		}
-		writeOrderId := shipOrderId[:len(shipOrderId)-4]
+		writeOrderId := shipOrderId[:15]
 		for artId, qty := range artErpQtyMap {
 			index1 := artId
 			index2 := strconv.Itoa(qty)