From 3b73e77774d773e72590f7a5249434834dcc9258 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E8=B6=85=E6=A5=A0?= <649298859@qq.com>
Date: Fri, 31 Mar 2017 19:04:20 +0800
Subject: [PATCH] update index.md to optimize model's option usage

update model's option usage doc and it will be more clearly
---
 src/v2/api/index.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/v2/api/index.md b/src/v2/api/index.md
index ec8b53973c..173b29b838 100644
--- a/src/v2/api/index.md
+++ b/src/v2/api/index.md
@@ -1048,7 +1048,12 @@ All lifecycle hooks automatically have their `this` context bound to the instanc
     },
     props: {
       // this allows using the `value` prop for a different purpose
-      value: String
+      value: String,
+      // use `checked` as the prop which take the place of `value`
+      checked: {
+        type: Number,
+        default: 0
+      }
     },
     // ...
   })