fix(approve): 修复设备维修审批状态更新空指针异常

zss

2026-04-29 9246c5bd69d218c36ae9305c9b250f23a2c40589

 src/main/java/com/ruoyi/measuringinstrumentledger/pojo/MeasuringInstrumentLedger.java

@@ -142,6 +142,7 @@
    private String unit;

    @ApiModelProperty("部门id")
    @TableField(fill = FieldFill.INSERT)
    private Long deptId;

    @ApiModelProperty("安装位置")