diff --git a/dsBase/src/main/java/com/dsideal/base/Test/TestCopySheet.java b/dsBase/src/main/java/com/dsideal/base/Test/TestCopySheet.java
index 1f918d8a..42a507e2 100644
--- a/dsBase/src/main/java/com/dsideal/base/Test/TestCopySheet.java
+++ b/dsBase/src/main/java/com/dsideal/base/Test/TestCopySheet.java
@@ -20,6 +20,9 @@ public class TestCopySheet {
 
         XSSFSheet originalSheet = originalWorkbook.getSheet("sheet1");
         XSSFSheet targetSheet = targetWorkbook.getSheet("sheet1");
+        if (targetSheet == null) {
+            targetSheet = targetWorkbook.createSheet("sheet1");
+        }
 
         int rowNum = originalSheet.getLastRowNum();
         for (int i = 0; i <= rowNum; i++) {