diff --git a/README.md b/README.md
index ef5996e..25bd7c8 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,36 @@ https://github.com/superconvert/smart-os
 4. 账号和密码
 5. 防火墙
 
+# 网络拓扑图
++----------------------------------------------------------------+-----------------------------------------+-----------------------------------------+
+|                          Host                                  |              Container 1                |              Container 2                |
+|                                                                |                                         |                                         |
+|       +------------------------------------------------+       |       +-------------------------+       |       +-------------------------+       |
+|       |             Newwork Protocol Stack             |       |       |  Newwork Protocol Stack |       |       |  Newwork Protocol Stack |       |
+|       +------------------------------------------------+       |       +-------------------------+       |       +-------------------------+       |
+|               ↑                    ↑                           |                   ↑                     |                    ↑                    |
+|...............|....................|...........................|...................|.....................|....................|....................|
+|               ↓                    ↓                           |                   ↓                     |                    ↓                    |
+|        +-------------+    +---------------+                    |           +---------------+             |            +---------------+            |
+|        | 192.168.0.3 |    | 192.168.100.1 |                    |           | 192.168.100.6 |             |            | 192.168.100.8 |            |
+|        +-------------+    +---------------+     +-------+      |           +---------------+             |            +---------------+            |
+|        |     eth0    |    |      br0      |<--->|  tap0 |      |           |      eth0     |             |            |      eth0     |            |
+|        +-------------+    +---------------+     +-------+      |           +---------------+             |            +---------------+            |
+|               ↑                   ↑                 ↑          |                   ↑                     |                    ↑                    |
+|               |                   |                 +------------------------------+                     |                    |                    |
+|               |                   ↓                            |                                         |                    |                    |
+|               |               +-------+                        |                                         |                    |                    |
+|               |               |  tap1 |                        |                                         |                    |                    |
+|               |               +-------+                        |                                         |                    |                    |
+|               |                   ↑                            |                                         |                    |                    |
+|               |                   +----------------------------------------------------------------------|--------------------+                    |
+|               |                                                |                                         |                                         |
+|               |                                                |                                         |                                         |
+|               |                                                |                                         |                                         |
++---------------|------------------------------------------------+-----------------------------------------+-----------------------------------------+
+                ↓
+     Physical Network  (192.168.0.0/24)
+
 # 拓展知识
 
 * ramfs :