diff --git a/docs/example_1.md b/docs/campus_network_cracking.md
similarity index 99%
rename from docs/example_1.md
rename to docs/campus_network_cracking.md
index ceb1903..825ba44 100644
--- a/docs/example_1.md
+++ b/docs/campus_network_cracking.md
@@ -4,7 +4,7 @@
 
 以下为一般情况下的网络拓扑：
 
-![Network](./img/example_1.png)
+![Network](./img/campus_network.png)
 
 为了方便讲解，我们假设以下典型情况：
 
diff --git a/docs/example_2.md b/docs/dual_stack_network_proxy.md
similarity index 99%
rename from docs/example_2.md
rename to docs/dual_stack_network_proxy.md
index ca849fc..dbb54a6 100644
--- a/docs/example_2.md
+++ b/docs/dual_stack_network_proxy.md
@@ -4,7 +4,7 @@
 
 以下为典型网络拓扑：
 
-![Network](./img/example_2.png)
+![Network](./img/chinese_network.png)
 
 > 此处网络拓扑仅为讲解使用，实际使用时可以让光猫桥接减少性能浪费，不过目前大部分新版光猫不存在性能瓶颈，千兆级别下基本没有压力。
 
diff --git a/docs/img/example_1.png b/docs/img/campus_network.png
similarity index 100%
rename from docs/img/example_1.png
rename to docs/img/campus_network.png
diff --git a/docs/img/example_2.png b/docs/img/chinese_network.png
similarity index 100%
rename from docs/img/example_2.png
rename to docs/img/chinese_network.png