From e5b1cb13882102603d00f9b6a4adc73bb5dcb94f Mon Sep 17 00:00:00 2001
From: Yiqing Liu <yqliu@taosdata.com>
Date: Mon, 7 Sep 2020 19:25:52 +0800
Subject: [PATCH] Update faq-ch.md

---
 documentation20/webdocs/markdowndocs/faq-ch.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/documentation20/webdocs/markdowndocs/faq-ch.md b/documentation20/webdocs/markdowndocs/faq-ch.md
index 27c1054dc8..c1f2257610 100644
--- a/documentation20/webdocs/markdowndocs/faq-ch.md
+++ b/documentation20/webdocs/markdowndocs/faq-ch.md
@@ -19,7 +19,7 @@
 ## 4. 如何让TDengine crash时生成core文件？
 请看为此问题撰写的<a href='blog/2019/12/06/tdengine-crash时生成core文件的方法/'>技术博客</a>
 
-## 5. 遇到错误"Unable to establish connection", 我怎么办？
+## 5. 遇到错误"Unable to establish connection"或者"TDengine Error: Unable to resolve FQDN", 我怎么办？
 
 客户端遇到链接故障，请按照下面的步骤进行检查：
 
-- 
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