From 7cf56a16d29622b5103fe2954d7535450b8e2b41 Mon Sep 17 00:00:00 2001
From: cnphpbb <moqiruyi@gmail.com>
Date: Sat, 2 Nov 2019 01:53:08 +0800
Subject: [PATCH] =?UTF-8?q?doc:=E5=A2=9E=E5=8A=A0=E9=99=84=E4=BB=B6`ALLOWE?=
 =?UTF-8?q?D=5FTYPES`=E5=8F=96=E5=BE=97MIME=20type=E7=9A=84=E6=96=B9?=
 =?UTF-8?q?=E6=B3=95=20(#8770)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../doc/advanced/config-cheat-sheet.zh-cn.md       | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md b/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
index a0e33c637022..53426ed9834d 100644
--- a/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
+++ b/docs/content/doc/advanced/config-cheat-sheet.zh-cn.md
@@ -173,6 +173,20 @@ menu:
 - `MAX_SIZE`: 附件最大限制，单位 MB，比如： `4`。
 - `MAX_FILES`: 一次最多上传的附件数量，比如： `5`。
 
+关于 `ALLOWED_TYPES`， 在 (*)unix 系统中可以使用`file -I <filename>` 来快速获得对应的 `MIME type`。
+
+```shell
+$ file -I test00.tar.xz
+test00.tar.xz: application/x-xz; charset=binary
+
+$ file --mime test00.xlsx
+test00.xlsx: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet; charset=binary
+
+file -I test01.xls
+test01.xls: application/vnd.ms-excel; charset=binary
+```
+
+
 ## Log (`log`)
 
 - `ROOT_PATH`: 日志文件根目录。