From 24d88f684a76edaa920f210014b069b6086bc27f Mon Sep 17 00:00:00 2001
From: Sunset Wan <sunsetwan@gmail.com>
Date: Wed, 23 Jun 2021 02:03:02 +0800
Subject: [PATCH] =?UTF-8?q?fix=EF=BC=9A=E7=A4=BA=E4=BE=8B=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81=E6=9B=B4=E6=96=B0=20(#1147)?=
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---
 source/02_language_guide/16_Optional_Chaining.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/02_language_guide/16_Optional_Chaining.md b/source/02_language_guide/16_Optional_Chaining.md
index 2cd94a2f..aaf2609d 100755
--- a/source/02_language_guide/16_Optional_Chaining.md
+++ b/source/02_language_guide/16_Optional_Chaining.md
@@ -97,7 +97,7 @@ class Person {
 
 ```swift
 class Residence {
-    var rooms = [Room]()
+    var rooms: [Room] = []
     var numberOfRooms: Int {
         return rooms.count
     }