From e07321024a6e6154718027ab867768bbd02affda Mon Sep 17 00:00:00 2001
From: HeskeyBaozi <hezhiyu233@foxmail.com>
Date: Thu, 19 Jul 2018 21:15:51 +0800
Subject: [PATCH] fix demo for ssr

---
 components/icon/demo/svg-sprite.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/icon/demo/svg-sprite.md b/components/icon/demo/svg-sprite.md
index cc81fb93c9..d5c7bc2b4f 100644
--- a/components/icon/demo/svg-sprite.md
+++ b/components/icon/demo/svg-sprite.md
@@ -37,7 +37,7 @@ const messageSymbol = `
 </symbol>`;
 
 // insert SVG symbols into document.body
-if (document) {
+if (typeof document === 'object') {
   const nodeId = '__SVG_SPRITE_NODE__';
   const spriteContent = svgSpriteRenderer(nodeId, messageSymbol);
   const existing = document.getElementById(nodeId);