From 9c5dde7b2ec28c555488eee7dec81bb1f612c443 Mon Sep 17 00:00:00 2001
From: walker <shengxuqiang@joylink.club>
Date: Tue, 23 Jan 2024 10:43:40 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=B8=8D=E7=AD=89=E4=BA=8Eni?=
 =?UTF-8?q?l=E5=88=A4=E6=96=AD?=
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---
 world.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/world.go b/world.go
index 959b0bf..230e3d6 100644
--- a/world.go
+++ b/world.go
@@ -214,8 +214,10 @@ func (w *world) Close() {
 		w.updateState(WorldClosed)
 		return
 	}
-	w.cancel()
-	<-w.done
+	if w.cancel != nil {
+		w.cancel()
+		<-w.done
+	}
 }
 
 // 执行待处理方法