From f5281f1e7ecf51a09becd4e7513d340a0b872d55 Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Thu, 24 Dec 2020 19:44:51 +0800
Subject: [PATCH] fix(CountDown): fix ssr memory leak (#7808)

---
 src/count-down/index.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/count-down/index.js b/src/count-down/index.js
index c13d36779..ccda57817 100644
--- a/src/count-down/index.js
+++ b/src/count-down/index.js
@@ -1,4 +1,4 @@
-import { createNamespace } from '../utils';
+import { createNamespace, inBrowser } from '../utils';
 import { raf, cancelRaf } from '../utils/dom/raf';
 import { isSameSecond, parseTimeData, parseFormat } from './utils';
 
@@ -92,6 +92,12 @@ export default createComponent({
     },
 
     tick() {
+      // should not start counting in server
+      // see: https://github.com/youzan/vant/issues/7807
+      if (!inBrowser) {
+        return;
+      }
+
       if (this.millisecond) {
         this.microTick();
       } else {