From 92305f6cac358d706d93104557dffd993734f3f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=93=E5=96=B5=E9=85=B1?= <i@iotcat.me>
Date: Mon, 16 Sep 2019 22:01:47 +0100
Subject: [PATCH] Update README.md

---
 README.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/README.md b/README.md
index b5a6a6f..530d2cd 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,18 @@
 # auth
 auth system for ushio system
+
+
+## Key Logic
+ - three kinds of account: admin, user, visitor
+ - usr can be authed by email, phone, passwd
+ - after logined, the client id and secret can be generated and assigned
+ - every domain is an single app, it needs a new client id and secret.
+ - the app use the id and secret to get a time-expired token
+ - the client id and secret can be managed
+ 
+
+
+## Process Flow
+```
+
+```