fix: 处理null问题

buhuazhen

2026-06-01 facbfd2b1a0eb1ea971b699def8c85a43c5fa7fa

 src/main/java/com/ruoyi/production/pojo/ProductWorkOrder.java

@@ -144,6 +144,9 @@
    @ApiModelProperty(value = "报工用户ids")
    private String userIds;

    @ApiModelProperty(value = "报工用户names")
    private String userNames;

    @ApiModelProperty("机台id")
    private Long deviceId;
}