From f06a6da249a96fc02081f19823dd64becb1278e9 Mon Sep 17 00:00:00 2001
From: "abby.huang" <78209557+abby-cyber@users.noreply.github.com>
Date: Tue, 21 Feb 2023 17:06:29 +0800
Subject: [PATCH] delete the note that yield is optional (#1966)

---
 docs-2.0/3.ngql-guide/5.operators/4.pipe.md | 2 --
 1 file changed, 2 deletions(-)

diff --git a/docs-2.0/3.ngql-guide/5.operators/4.pipe.md b/docs-2.0/3.ngql-guide/5.operators/4.pipe.md
index 7621f6199b6..8bd8c691714 100644
--- a/docs-2.0/3.ngql-guide/5.operators/4.pipe.md
+++ b/docs-2.0/3.ngql-guide/5.operators/4.pipe.md
@@ -31,8 +31,6 @@ nebula> GO FROM "player100" OVER follow \
 +-------------+
 ```
 
-If there is no `YIELD` clause to define the output, the destination vertex ID is returned by default. If a YIELD clause is applied, the output is defined by the YIELD clause.
-
 Users must define aliases in the `YIELD` clause for the reference operator `$-` to use, just like `$-.dstid` in the preceding example.
 
 ## Performance tips