diff --git a/.all-contributorsrc b/.all-contributorsrc
index e02020a..9017705 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -22,6 +22,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "yorkie",
+      "name": "Yazhong Liu",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/1935767?v=4",
+      "profile": "https://github.com/yorkie",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index c1b217c..2ede6e1 100755
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors)
 
 ![](./logo.png)
 
@@ -138,7 +138,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
 <!-- prettier-ignore -->
-<table><tr><td align="center"><a href="https://github.com/EarlyH"><img src="https://avatars3.githubusercontent.com/u/1768041?v=4" width="100px;" alt="Early He"/><br /><sub><b>Early He</b></sub></a><br /><a href="https://github.com/NodeParty-China/Node-Party/commits?author=EarlyH" title="Documentation">📖</a></td><td align="center"><a href="https://github.com/yuzhigang33"><img src="https://avatars3.githubusercontent.com/u/929503?v=4" width="100px;" alt="枫弦"/><br /><sub><b>枫弦</b></sub></a><br /><a href="https://github.com/NodeParty-China/Node-Party/commits?author=yuzhigang33" title="Documentation">📖</a></td></tr></table>
+<table><tr><td align="center"><a href="https://github.com/EarlyH"><img src="https://avatars3.githubusercontent.com/u/1768041?v=4" width="100px;" alt="Early He"/><br /><sub><b>Early He</b></sub></a><br /><a href="https://github.com/NodeParty-China/Node-Party/commits?author=EarlyH" title="Documentation">📖</a></td><td align="center"><a href="https://github.com/yuzhigang33"><img src="https://avatars3.githubusercontent.com/u/929503?v=4" width="100px;" alt="枫弦"/><br /><sub><b>枫弦</b></sub></a><br /><a href="https://github.com/NodeParty-China/Node-Party/commits?author=yuzhigang33" title="Documentation">📖</a></td><td align="center"><a href="https://github.com/yorkie"><img src="https://avatars3.githubusercontent.com/u/1935767?v=4" width="100px;" alt="Yazhong Liu"/><br /><sub><b>Yazhong Liu</b></sub></a><br /><a href="https://github.com/NodeParty-China/Node-Party/commits?author=yorkie" title="Documentation">📖</a></td></tr></table>
 
 <!-- ALL-CONTRIBUTORS-LIST:END -->