From b1e12aa4185a00a113626b9d0113cd2c055919ae Mon Sep 17 00:00:00 2001
From: zhouqinglai <zhouqinglai@baijiahulian.com>
Date: Thu, 24 Oct 2019 13:07:34 +0800
Subject: [PATCH] =?UTF-8?q?[fix]=20=E8=A7=A3=E5=86=B3=E5=8F=AF=E8=83=BD?=
 =?UTF-8?q?=E5=AD=98=E5=9C=A8=E7=9A=84=E7=A9=BA=E6=8C=87=E9=92=88=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/com/alibaba/excel/context/WriteContextImpl.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/excel/context/WriteContextImpl.java b/src/main/java/com/alibaba/excel/context/WriteContextImpl.java
index f136ea0..6e691fd 100644
--- a/src/main/java/com/alibaba/excel/context/WriteContextImpl.java
+++ b/src/main/java/com/alibaba/excel/context/WriteContextImpl.java
@@ -429,7 +429,9 @@ public class WriteContextImpl implements WriteContext {
             OutputStream outputStream = encryptor.getDataStream(fileSystem);
             opcPackage.save(outputStream);
         } finally {
-            opcPackage.close();
+            if (opcPackage != null) {
+                opcPackage.close();
+            }
         }
         return fileSystem;
     }