From df2f297541def40eb6ac9ec6bd8dbf002ca6b227 Mon Sep 17 00:00:00 2001
From: nemo-shen <kienshin626@gmail.com>
Date: Wed, 15 Sep 2021 09:48:08 +0800
Subject: [PATCH] fix(page-scroll): fix isDef (#4488)

---
 packages/mixins/page-scroll.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/mixins/page-scroll.ts b/packages/mixins/page-scroll.ts
index f427e305..ffb9662d 100644
--- a/packages/mixins/page-scroll.ts
+++ b/packages/mixins/page-scroll.ts
@@ -38,7 +38,7 @@ export const pageScrollMixin = (scroller: Scroller) =>
 
     detached() {
       const page = getCurrentPage<{ vanPageScroller: Scroller[] }>();
-      if (!isDef(page)) {
+      if (isDef(page)) {
         page.vanPageScroller =
           page.vanPageScroller?.filter((item) => item !== scroller) || [];
       }