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@@ -1,12 +1,18 @@
 # gopool
 A golang universal connection pool.
 
-### Features:
+### Features
 - Using arrays instead of channels to improve performance
 - Automatically detect live server nodes and remove them dynamically
 - Support timeout to obtain connection instead of continuous blocking
 - Perfect monitoring mechanism
 
+### Architecture
+
+<center>
+    <img src="https://github.com/yushaolong7/gopool/blob/main/doc/arch.png">
+</center>
+
 ### Installation
 ```shell
 go get -u https://github.com/alwaysthanks/gopool
diff --git a/doc/arch.png b/doc/arch.png
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