diff --git a/doc/README.md b/doc/README.md
index b2b4f56..10a81f0 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -13,4 +13,4 @@
 
 ![performance_5000](https://github.com/SmallChi/JT808DotNetty/blob/master/doc/img/performance_5000.png)
 
-![performance_10000](https://github.com/SmallChi/JT808DotNetty/blob/master/doc/img/performance_5000.png)
\ No newline at end of file
+![performance_10000](https://github.com/SmallChi/JT808DotNetty/blob/master/doc/img/performance_10000.png)