From 1ca7c3548d04e00394bff3735f9237553b35f070 Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Wed, 19 Jan 2022 10:20:40 +0800
Subject: [PATCH] <docs>[TD-12509] add doc for backquote and escape character

---
 documentation20/cn/11.administrator/docs.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/documentation20/cn/11.administrator/docs.md b/documentation20/cn/11.administrator/docs.md
index b1ed428ead..82a7338e87 100644
--- a/documentation20/cn/11.administrator/docs.md
+++ b/documentation20/cn/11.administrator/docs.md
@@ -779,7 +779,7 @@ rmtaos
   | \t             |  tab符       |
   | `\\`             |  斜杠\        |
   | `\%`             |  % 规则见下    |
-  | `\%`             |  _ 规则见下    |
+  | `\_`             |  _ 规则见下    |
 
 - 转义字符使用规则
   1. 标识符里有转义字符（数据库名、表名、列名）
-- 
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