diff --git a/README.md b/README.md
index 216d13c..e9e4b4f 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,6 @@
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 **目录**
 
-- [缘起](#%E7%BC%98%E8%B5%B7)
 - [在线体验](#%E5%9C%A8%E7%BA%BF%E4%BD%93%E9%AA%8C)
 - [项目地址](#%E9%A1%B9%E7%9B%AE%E5%9C%B0%E5%9D%80)
 - [核心功能](#%E6%A0%B8%E5%BF%83%E5%8A%9F%E8%83%BD)
@@ -24,6 +23,7 @@
 - [感谢](#%E6%84%9F%E8%B0%A2)
 - [另外](#%E5%8F%A6%E5%A4%96)
 - [加群](#%E5%8A%A0%E7%BE%A4)
+- [为什么有这个项目](#%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E8%BF%99%E4%B8%AA%E9%A1%B9%E7%9B%AE)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->