From 14c5c31f88ff04be031536576d2999c909bf1377 Mon Sep 17 00:00:00 2001
From: cx <908666218@qq.com>
Date: Thu, 24 Sep 2020 16:09:21 +0800
Subject: [PATCH]

---
 Demo.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Demo.md b/Demo.md
index b1b2d22..61ac207 100644
--- a/Demo.md
+++ b/Demo.md
@@ -1,3 +1,8 @@
+前置依赖`three`,`xaop`
+
+`npm i three xaop`
+
+
 ```
 
 import { Polyline } from "webcad-api";