From 8a80a7181d3983784e02ed98a2ca2947e61b865c Mon Sep 17 00:00:00 2001
From: whincwu <whincwu@163.com>
Date: Tue, 10 Mar 2020 11:51:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E7=A4=BA=E4=BE=8B=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
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---
 docs/typings/interfaces.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/typings/interfaces.md b/docs/typings/interfaces.md
index 7d8944701..8d0028ab3 100644
--- a/docs/typings/interfaces.md
+++ b/docs/typings/interfaces.md
@@ -96,7 +96,13 @@ interface Crazy {
 你可能会有下面这样的代码：
 
 ```ts
-class CrazyClass implements Crazy {
+interface CrazyInstance { }
+
+interface CrazyStatic {
+  new (): CrazyInstance;
+}
+
+let CrazyClass: CrazyStatic = class CrazyClass implements CrazyInstance {
   constructor() {
     return { hello: 123 };
   }