diff --git a/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/excel/StorageExcelWriter.java b/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/excel/StorageExcelWriter.java
index 05e1b68deb..6b2a98c72b 100644
--- a/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/excel/StorageExcelWriter.java
+++ b/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/excel/StorageExcelWriter.java
@@ -51,9 +51,9 @@ public class StorageExcelWriter extends ExcelFsWriter {
   protected DataType[] types;
   protected int rowPoint;
   protected int columnCounter;
-  protected Map<String, CellStyle> styles;
-  private boolean isFlush;
-  private ByteArrayOutputStream os;
+  protected Map<String, CellStyle> styles = new HashMap<>();
+  private boolean isFlush = true;
+  private ByteArrayOutputStream os = new ByteArrayOutputStream();
   private ByteArrayInputStream is;
 
   public StorageExcelWriter(