diff --git a/README.md b/README.md
index 076d379..00537ba 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![License](https://img.shields.io/github/license/Anduin2017/HowToCook)](./LICENSE)
 [![GitHub contributors](https://img.shields.io/github/contributors/Anduin2017/HowToCook)](https://github.com/Anduin2017/HowToCook/graphs/contributors)
 [![npm](https://img.shields.io/npm/v/how-to-cook)](https://www.npmjs.com/package/how-to-cook)
+![Man hours](https://manhours.aiursoft.cn/r/github.com/anduin2017/howtocook.svg)
 
 最近在家隔离，出不了门。只能宅在家做饭了。作为程序员，我偶尔在网上找找菜谱和做法。但是这些菜谱往往写法千奇百怪，经常中间莫名出来一些材料。对于习惯了形式语言的程序员来说极其不友好。