diff --git a/README.md b/README.md
index 7f9f653..c472339 100644
--- a/README.md
+++ b/README.md
@@ -37,12 +37,24 @@ Library `ants` implements a goroutine pool with fixed capacity, managing and rec
 - 1.12.x
 - 1.13.x
 
-## 💡 `ants` works as the flowing flowchart
+## 💡 How `ants` works
+
+### Flow Diagram
 
 <p align="center">
 <img width="1011" alt="ants-flowchart-en" src="https://user-images.githubusercontent.com/7496278/66396509-7b42e700-ea0c-11e9-8612-b71a4b734683.png">
 </p>
 
+### Activity Diagrams
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-1.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-2.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-3.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-4.png)
+
 ## 🧰 How to install
 
 ### For `ants` v1
diff --git a/README_ZH.md b/README_ZH.md
index 31b1e61..c004bf0 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -37,12 +37,24 @@
 - 1.12.x
 - 1.13.x
 
-## 💡 `ants` 运行时的流程图如下
+## 💡 `ants` 是如何运行的
+
+### 流程图
 
 <p align="center">
 <img width="845" alt="ants-flowchart-cn" src="https://user-images.githubusercontent.com/7496278/66396519-7ed66e00-ea0c-11e9-9c1a-5ca54bbd61eb.png">
 </p>
 
+### 动态图
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-1.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-2.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-3.png)
+
+![](https://raw.githubusercontent.com/panjf2000/illustrations/master/go/ants-pool-4.png)
+
 ## 🧰 安装
 
 ### 使用 `ants` v1 版本: