From 30b2657b2c3cb532c6c890f37e6cb7618d008231 Mon Sep 17 00:00:00 2001
From: aiceflower <kinsanities@sina.com>
Date: Wed, 26 Jul 2023 16:02:46 +0800
Subject: [PATCH] fix NPE

---
 .../java/org/apache/linkis/storage/csv/StorageCSVWriter.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/csv/StorageCSVWriter.java b/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/csv/StorageCSVWriter.java
index ed7527bcbc..ba4d877f3a 100644
--- a/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/csv/StorageCSVWriter.java
+++ b/linkis-commons/linkis-storage/src/main/java/org/apache/linkis/storage/csv/StorageCSVWriter.java
@@ -102,8 +102,8 @@ private String compact(String[] row) {
       rowBuilder.append(decoratedValue).append(delimiter);
     }
     if (rowBuilder.length() > 0 && rowBuilder.toString().endsWith(delimiter)) {
-      int index = rowBuilder.lastIndexOf(separator);
-      rowBuilder.delete(index, index + separator.length());
+      int index = rowBuilder.lastIndexOf(delimiter);
+      rowBuilder.delete(index, index + delimiter.length());
     }
     rowBuilder.append("\n");
     if (logger.isDebugEnabled()) {