From b9f0be8a0944349267062f1f7d4eca5ce97550d3 Mon Sep 17 00:00:00 2001
From: DCloud_LXH <283700113@qq.com>
Date: Mon, 19 Apr 2021 11:09:16 +0800
Subject: [PATCH] =?UTF-8?q?fix(H5):=20=E8=AE=BE=E7=BD=AEtabbar=E9=AB=98?=
 =?UTF-8?q?=E5=BA=A6=E5=90=8E=EF=BC=8CgetSystemInfoSync()=E8=8E=B7?=
 =?UTF-8?q?=E5=8F=96windowBottom=E7=9A=84=E9=AB=98=E5=BA=A6=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF=20=20question/121154?=
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---
 src/platforms/h5/view/bridge/subscribe/index.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/platforms/h5/view/bridge/subscribe/index.js b/src/platforms/h5/view/bridge/subscribe/index.js
index 900d2f2c5..7c51cc5ec 100644
--- a/src/platforms/h5/view/bridge/subscribe/index.js
+++ b/src/platforms/h5/view/bridge/subscribe/index.js
@@ -23,10 +23,11 @@ const passiveOptions = supportsPassive ? {
 
 function updateCssVar (vm) {
   if (uni.canIUse('css.var')) {
+    const uniConfigTabbarHeight = parseFloat(__uniConfig.tabBar.height)
     const pageVm = vm.$parent.$parent
     const navigationBarType = pageVm.navigationBar.type
     const windowTopValue = navigationBarType === 'default' || navigationBarType === 'float' ? NAVBAR_HEIGHT : 0
-    const windowBottomValue = getApp().$children[0].showTabBar ? TABBAR_HEIGHT : 0
+    const windowBottomValue = getApp().$children[0].showTabBar ? isNaN(uniConfigTabbarHeight) ? TABBAR_HEIGHT : uniConfigTabbarHeight : 0
     const envMethod = uni.canIUse('css.env') ? 'env' : (uni.canIUse('css.constant') ? 'constant' : '')
     const windowTop = windowTopValue && envMethod ? `calc(${windowTopValue}px + ${envMethod}(safe-area-inset-top))`
       : `${windowTopValue}px`
@@ -87,4 +88,4 @@ export default function initSubscribe (subscribe) {
       })
     }
   })
-}
+}
-- 
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