From 0389e2c891177db3c2e6dfbc0b9656dfddf90892 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Thu, 18 Mar 2021 10:54:39 +0900
Subject: [PATCH] fix bug

---
 src/misc/cache.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/misc/cache.ts b/src/misc/cache.ts
index 356a3de7b..ccc5f01ff 100644
--- a/src/misc/cache.ts
+++ b/src/misc/cache.ts
@@ -3,6 +3,7 @@ export class Cache<T> {
 	private lifetime: number;
 
 	constructor(lifetime: Cache<never>['lifetime']) {
+		this.cache = new Map();
 		this.lifetime = lifetime;
 	}