chore(docs): update TOC

README.md

@@ -28,7 +28,7 @@
     - [🛣 docker部署](#-docker%E9%83%A8%E7%BD%B2)
     - [🧶 二进制部署](#-%E4%BA%8C%E8%BF%9B%E5%88%B6%E9%83%A8%E7%BD%B2)
 - [👉 亮点特色](#-%E4%BA%AE%E7%82%B9%E7%89%B9%E8%89%B2)
-  - [🙋 与机器人私聊](#-%E4%B8%8E%E6%9C%BA%E5%99%A8%E4%BA%BA%E5%8D%95%E8%81%8A)
+  - [🙋 与机器人单聊](#-%E4%B8%8E%E6%9C%BA%E5%99%A8%E4%BA%BA%E5%8D%95%E8%81%8A)
   - [🚀 帮助列表](#-%E5%B8%AE%E5%8A%A9%E5%88%97%E8%A1%A8)
   - [🔄 切换模式](#-%E5%88%87%E6%8D%A2%E6%A8%A1%E5%BC%8F)
   - [💵 查询余额](#-%E6%9F%A5%E8%AF%A2%E4%BD%99%E9%A2%9D)