From a758fb2a75d1b0a6af222a5fb4be28d556a0ac9f Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Tue, 13 Jul 2021 10:31:54 +0800
Subject: [PATCH] fix: empty error at jsx #4349 close #4349

---
 components/_util/props-util/index.js | 7 ++++---
 v2-doc                               | 2 +-
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/components/_util/props-util/index.js b/components/_util/props-util/index.js
index c35e796fc..cf541dcf2 100644
--- a/components/_util/props-util/index.js
+++ b/components/_util/props-util/index.js
@@ -339,9 +339,10 @@ export function isEmptyContent(c) {
 
 export function isEmptyElement(c) {
   return (
-    c.type === Comment ||
-    (c.type === Fragment && c.children.length === 0) ||
-    (c.type === Text && c.children.trim() === '')
+    c &&
+    (c.type === Comment ||
+      (c.type === Fragment && c.children.length === 0) ||
+      (c.type === Text && c.children.trim() === ''))
   );
 }
 
diff --git a/v2-doc b/v2-doc
index d2c096476..57c08127b 160000
--- a/v2-doc
+++ b/v2-doc
@@ -1 +1 @@
-Subproject commit d2c096476ee3e8d27fbb9e1cb7933887501b1fab
+Subproject commit 57c08127bf0e3e826b03f845df3e1332820964e5