From 1fa7b4a9114ff8c78e2e5cfcb9b7613f23ce376b Mon Sep 17 00:00:00 2001
From: youken9980 <youken9980@163.com>
Date: Wed, 31 Mar 2021 13:28:02 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E5=8C=BA=E5=88=86=E5=A4=A7?=
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---
 server/src/main/java/cn/keking/utils/KkFileUtils.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/cn/keking/utils/KkFileUtils.java b/server/src/main/java/cn/keking/utils/KkFileUtils.java
index 16b0db31..80489813 100644
--- a/server/src/main/java/cn/keking/utils/KkFileUtils.java
+++ b/server/src/main/java/cn/keking/utils/KkFileUtils.java
@@ -93,7 +93,7 @@ public class KkFileUtils {
      * @return 文件后缀
      */
     public static String suffixFromFileName(String fileName) {
-        return fileName.substring(fileName.lastIndexOf(".") + 1);
+        return fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
     }