From 34cd56e2c3910f0d0a3f0354313af106db4590d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8A=9B=E7=9A=93?= <lihao.ylh@alibaba-inc.com>
Date: Fri, 4 Jun 2021 15:55:16 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20undefined=20=E4=B8=8D=E8=83=BD=E8=B7=B3?=
 =?UTF-8?q?=E8=BF=87=20slot=20=E7=9A=84=E5=88=9D=E5=A7=8B=E5=8C=96?=
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---
 packages/vision-polyfill/src/bundle/upgrade-metadata.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vision-polyfill/src/bundle/upgrade-metadata.ts b/packages/vision-polyfill/src/bundle/upgrade-metadata.ts
index 2cac99a7d..dfe341bb6 100644
--- a/packages/vision-polyfill/src/bundle/upgrade-metadata.ts
+++ b/packages/vision-polyfill/src/bundle/upgrade-metadata.ts
@@ -356,7 +356,7 @@ export function upgradePropConfig(config: OldPropConfig, collector: ConfigCollec
   if (slotName && initialValue === true) {
     initialFn = (value: any, defaultValue: any) => {
       // initialValue 为 true，但 value 为 false / '' 等值，说明被关闭了
-      if (!value) return value;
+      if (value === false || value === '') return value;
       if (isJSBlock(value)) {
         return value;
       }