From 89c750aa57821197e7892234091e7350092c3374 Mon Sep 17 00:00:00 2001
From: Jiaju Zhuang <zhuangjiaju@qq.com>
Date: Fri, 29 Oct 2021 19:31:26 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9style=20=E5=8F=AF=E8=83=BD?=
 =?UTF-8?q?=E7=A9=BA=E6=8C=87=E9=92=88=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 src/main/java/com/alibaba/excel/util/StyleUtil.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/excel/util/StyleUtil.java b/src/main/java/com/alibaba/excel/util/StyleUtil.java
index 1bafcdc8..e8a503d7 100644
--- a/src/main/java/com/alibaba/excel/util/StyleUtil.java
+++ b/src/main/java/com/alibaba/excel/util/StyleUtil.java
@@ -1,5 +1,7 @@
 package com.alibaba.excel.util;
 
+import java.util.Optional;
+
 import com.alibaba.excel.constant.BuiltinFormats;
 import com.alibaba.excel.metadata.data.DataFormatData;
 import com.alibaba.excel.metadata.data.HyperlinkData;
@@ -189,7 +191,11 @@ public class StyleUtil {
             xssfFont.setStrikeout(xssfOriginFont.getStrikeout());
             // Colors cannot be overwritten
             if (writeFont == null || writeFont.getColor() == null) {
-                xssfFont.setColor(new XSSFColor(xssfOriginFont.getXSSFColor().getRGB(), null));
+                xssfFont.setColor(Optional.of(xssfOriginFont)
+                    .map(XSSFFont::getXSSFColor)
+                    .map(XSSFColor::getRGB)
+                    .map(rgb -> new XSSFColor(rgb, null))
+                    .orElse(null));
             }
             xssfFont.setTypeOffset(xssfOriginFont.getTypeOffset());
             xssfFont.setUnderline(xssfOriginFont.getUnderline());