diff --git a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisSettleInvoiceRecordServiceImpl.java b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisSettleInvoiceRecordServiceImpl.java
index 8eb2cda3d..8583a5f70 100644
--- a/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisSettleInvoiceRecordServiceImpl.java
+++ b/emis-biz/src/main/java/com/xdadan/erp/emis/service/impl/EmisSettleInvoiceRecordServiceImpl.java
@@ -578,7 +578,21 @@ public class EmisSettleInvoiceRecordServiceImpl extends EmisBaseService implemen
             }
 
             // 格式化客户付款日期（格式：2025/10/30 付款2000元 A公司）
-            for (PaymentGroup group : paymentGroupMap.values()) {
+            // 按日期从小到大排序
+            List<PaymentGroup> sortedPaymentGroups = new ArrayList<>(paymentGroupMap.values());
+            sortedPaymentGroups.sort((g1, g2) -> {
+                if (g1.date == null && g2.date == null) {
+                    return 0;
+                }
+                if (g1.date == null) {
+                    return -1;
+                }
+                if (g2.date == null) {
+                    return 1;
+                }
+                return g1.date.compareTo(g2.date);
+            });
+            for (PaymentGroup group : sortedPaymentGroups) {
                 BigDecimal strippedMoney = group.totalMoney.stripTrailingZeros();
                 String paymentDateStr = group.dateStr + " 付款" + strippedMoney.toPlainString() + "元";
                 // 如果客户名称不为空，则追加客户名称
@@ -589,7 +603,21 @@ public class EmisSettleInvoiceRecordServiceImpl extends EmisBaseService implemen
             }
 
             // 格式化收款登记日期（格式：2025/10/30 登记2000元 A公司）
-            for (PaymentGroup group : registerGroupMap.values()) {
+            // 按日期从小到大排序
+            List<PaymentGroup> sortedRegisterGroups = new ArrayList<>(registerGroupMap.values());
+            sortedRegisterGroups.sort((g1, g2) -> {
+                if (g1.date == null && g2.date == null) {
+                    return 0;
+                }
+                if (g1.date == null) {
+                    return -1;
+                }
+                if (g2.date == null) {
+                    return 1;
+                }
+                return g1.date.compareTo(g2.date);
+            });
+            for (PaymentGroup group : sortedRegisterGroups) {
                 BigDecimal strippedMoney = group.totalMoney.stripTrailingZeros();
                 String registerDateStr = group.dateStr + " 登记" + strippedMoney.toPlainString() + "元";
                 // 如果客户名称不为空，则追加客户名称