From 05d1708d2a5276ae621e2cde86d135dcc8068940 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BC=80=E6=BA=90=E6=B5=B7=E5=93=A5?= <fuhai999@gmail.com>
Date: Thu, 15 Jun 2023 10:21:43 +0800
Subject: [PATCH] docs: update querywrapper.md

---
 docs/zh/base/querywrapper.md | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/docs/zh/base/querywrapper.md b/docs/zh/base/querywrapper.md
index 2409d849..f3de2662 100644
--- a/docs/zh/base/querywrapper.md
+++ b/docs/zh/base/querywrapper.md
@@ -104,7 +104,7 @@ FROM tb_account AS a, tb_article AS b
 WHERE a.id = b.account_id
 ```
 
-## select function
+## select function（SQL 函数）
 
 ```java
 QueryWrapper query=new QueryWrapper()
@@ -123,6 +123,22 @@ SELECT id, user_name, MAX(birthday), AVG(sex) AS sex_avg
 FROM tb_account
 ```
 
+目前，MyBatis-Flex 内置的函数支持如下：
+
+- count
+- max
+- min
+- avg
+- sum
+- year
+- month
+- day
+- convert
+
+更多的函数，用户可以参考 [QueryMethods](https://gitee.com/mybatis-flex/mybatis-flex/blob/main/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/QueryMethods.java)
+，然后再自己的项目里进行自定义扩展。
+
+
 ## select case...when
 
 **示例 1：**