diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
index 2782b10ec..50deecae8 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/business/domain/invoice/AbstractInvoice.java
@@ -1,6 +1,5 @@
 package org.jeecg.modules.business.domain.invoice;
 
-import com.amazonaws.services.dynamodbv2.xspec.S;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.ss.util.CellReference;
@@ -12,7 +11,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.math.BigDecimal;
-import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Date;
 import java.util.HashMap;