From 6d483a8da583926b1f1438552657cd0daefff31e Mon Sep 17 00:00:00 2001
From: chenjiahan <chenjiahan@youzan.com>
Date: Tue, 6 Oct 2020 10:59:25 +0800
Subject: [PATCH] fix(@vant/use): reset method param should be optional

---
 packages/vant-use/src/useCountDown/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vant-use/src/useCountDown/index.ts b/packages/vant-use/src/useCountDown/index.ts
index 344953fdf..25f5176e6 100644
--- a/packages/vant-use/src/useCountDown/index.ts
+++ b/packages/vant-use/src/useCountDown/index.ts
@@ -121,7 +121,7 @@ export function useCountDown(options: UseCountDownOptions) {
     }
   };
 
-  const reset = (totalTime: number) => {
+  const reset = (totalTime: number = options.time) => {
     pause();
     remain.value = totalTime;
   };