From b097779acda2fd55f2bc774a6d5bd6a0afdcbaf3 Mon Sep 17 00:00:00 2001
From: Abby <78209557+abby-cyber@users.noreply.github.com>
Date: Mon, 27 Mar 2023 16:36:36 +0800
Subject: [PATCH] Remove-glr-parser

---
 docs-2.0/3.ngql-guide/8.clauses-and-options/return.md | 7 +++++++
 docs-2.0/3.ngql-guide/8.clauses-and-options/yield.md  | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/docs-2.0/3.ngql-guide/8.clauses-and-options/return.md b/docs-2.0/3.ngql-guide/8.clauses-and-options/return.md
index 580fd9d202f..adb726af0ba 100644
--- a/docs-2.0/3.ngql-guide/8.clauses-and-options/return.md
+++ b/docs-2.0/3.ngql-guide/8.clauses-and-options/return.md
@@ -341,6 +341,13 @@ nebula> RETURN 1+1;
 | 2     |
 +-------+
 
+nebula> RETURN 1- -1;
++----------+
+| (1--(1)) |
++----------+
+| 2        |
++----------+
+
 nebula> RETURN 3 > 1;
 +-------+
 | (3>1) |
diff --git a/docs-2.0/3.ngql-guide/8.clauses-and-options/yield.md b/docs-2.0/3.ngql-guide/8.clauses-and-options/yield.md
index e463c0ee6a0..cfe7c9b32b8 100644
--- a/docs-2.0/3.ngql-guide/8.clauses-and-options/yield.md
+++ b/docs-2.0/3.ngql-guide/8.clauses-and-options/yield.md
@@ -178,4 +178,11 @@ nebula> YIELD \
 +--------+
 | 1      |
 +--------+
+
+nebula> YIELD 1- -1;
++----------+
+| (1--(1)) |
++----------+
+| 2        |
++----------+
 ```