diff --git a/dxhy-erp/src/main/java/com/dxhy/erp/service/impl/SignSaveInvoiceInfoServiceImpl.java b/dxhy-erp/src/main/java/com/dxhy/erp/service/impl/SignSaveInvoiceInfoServiceImpl.java
index cf93b0d5..67ab4c87 100644
--- a/dxhy-erp/src/main/java/com/dxhy/erp/service/impl/SignSaveInvoiceInfoServiceImpl.java
+++ b/dxhy-erp/src/main/java/com/dxhy/erp/service/impl/SignSaveInvoiceInfoServiceImpl.java
@@ -174,7 +174,7 @@ public class SignSaveInvoiceInfoServiceImpl extends MpBaseServiceImpl<SignRecord
 //            }
             this.updateInvoice(recordInvoice);
 
-            if (recordInvoiceDetail.size() > 0) {
+            if (recordInvoiceDetail != null && recordInvoiceDetail.size() > 0) {
                 boolean deleteDetail =
                         signInvoiceDetailService.deleteDetail(recordInvoice.getUuid(), dbName);
                 if (deleteDetail) {