From 3015b6578dfe12432cfc9df1838ec3c73bd450f7 Mon Sep 17 00:00:00 2001
From: cooper-lzy <78672629+cooper-lzy@users.noreply.github.com>
Date: Tue, 20 Sep 2022 09:27:13 +0800
Subject: [PATCH] Update 5.conditional-expressions.md

---
 .../5.conditional-expressions.md                     | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/docs-2.0/3.ngql-guide/6.functions-and-expressions/5.conditional-expressions.md b/docs-2.0/3.ngql-guide/6.functions-and-expressions/5.conditional-expressions.md
index de1674150c9..b1a63a021a1 100644
--- a/docs-2.0/3.ngql-guide/6.functions-and-expressions/5.conditional-expressions.md
+++ b/docs-2.0/3.ngql-guide/6.functions-and-expressions/5.conditional-expressions.md
@@ -165,9 +165,9 @@ nebula> RETURN coalesce(null,[1,2,3]) as result;
 +-----------+
 
 nebula> RETURN coalesce(null) as result;
-+-----------+
-| result    |
-+-----------+
-| NULL      |
-+-----------+
-```
\ No newline at end of file
++----------+
+| result   |
++----------+
+| __NULL__ |
++----------+
+```