src/main/java/com/ruoyi/sales/service/impl/InvoiceLedgerServiceImpl.java
@@ -399,7 +399,7 @@ int index = -1; for (int i = 0; i < invoiceRegistrationProductList.size(); i++) { InvoiceRegistrationProduct currentInvoiceRegProduct = invoiceRegistrationProductList.get(i); if(invoiceRegistrationProduct.getId() == currentInvoiceRegProduct.getId()){ if(invoiceRegistrationProduct.getId().equals(currentInvoiceRegProduct.getId())){ index = i; } }