From 102982abd2a5fece2f15718de188c83e0d5e536c Mon Sep 17 00:00:00 2001
From: Bryan Lee <38807139+liby@users.noreply.github.com>
Date: Mon, 5 Sep 2022 20:19:18 +0800
Subject: [PATCH] [Beta] fix warning-keys (#4977)

---
 beta/src/pages/learn/updating-arrays-in-state.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/beta/src/pages/learn/updating-arrays-in-state.md b/beta/src/pages/learn/updating-arrays-in-state.md
index 90186f3e..c717a099 100644
--- a/beta/src/pages/learn/updating-arrays-in-state.md
+++ b/beta/src/pages/learn/updating-arrays-in-state.md
@@ -255,7 +255,9 @@ export default function ShapeEditor() {
         Move circles down!
       </button>
       {shapes.map(shape => (
-        <div style={{
+        <div
+          key={shape.id}
+          style={{
           background: 'purple',
           position: 'absolute',
           left: shape.x,