fix: 利润趋势更改为收入-支出

gongchunyi

2026-02-13 f70bc98067b3051c83f52325c1b24b47c06b7c67

 src/main/java/com/ruoyi/purchase/service/IPurchaseLedgerService.java

@@ -43,4 +43,6 @@
    String getPurchaseNo();

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}