refactor: 清理未使用导入及优化代码结构

yuan

2026-03-14 db0dbad5c76d9192c898f9f1090744611a3e1671

 src/main/java/com/ruoyi/sales/dto/InvoiceRegistrationDto.java

@@ -23,4 +23,7 @@
    @ApiModelProperty(name = "合同金额")
    private BigDecimal contractAmount;

    @ApiModelProperty(name = "未开票金额")
    private BigDecimal noInvoiceAmountTotal;

}