diff --git a/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/service/saledata/SaleDataServiceImpl.java b/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/service/saledata/SaleDataServiceImpl.java
index ec2142e87..3534665d8 100644
--- a/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/service/saledata/SaleDataServiceImpl.java
+++ b/ludu-module-datacenter/ludu-module-datacenter-biz/src/main/java/cn/iocoder/yudao/module/datacenter/service/saledata/SaleDataServiceImpl.java
@@ -209,7 +209,7 @@ public class SaleDataServiceImpl implements SaleDataService {
         // 遍历销售数据列表
         for (SaleData saleData : list) {
             String certificateno = saleData.getCertificateno();
-            if (certificateno.length() != 18) {
+            if (certificateno == null || certificateno.length() != 18) {
                 continue;
             }
             String region = IdCardUtil.getRegion(certificateno);