diff --git a/docs/README.md b/docs/README.md
index 16b2c92..3751a07 100644
--- a/docs/README.md
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@@ -44,7 +44,7 @@
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          <a href="https://github.com/yyysjz1997"><img width="70" height="70" src="https://github.com/yyysjz1997.png?s=40" alt="pic"></a><br>
-         <a href="https://github.com/yyysjz1997">David Young</a> 
+         <a href="https://github.com/yyysjz1997">Yiyuan Yang</a> 
         <p>习题设计&第13章 <br> 清华大学</p>
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