diff --git a/README.md b/README.md
index 3cb6c3e..e923cc4 100644
--- a/README.md
+++ b/README.md
@@ -100,14 +100,14 @@ https://github.com/superconvert/smart-os
 |        |     eth0    |    |      br0      |<--->|  tap0 |      |           |      eth0     |             |            |      eth0     |            |
 |        +-------------+    +---------------+     +-------+      |           +---------------+             |            +---------------+            |
 |               +                   +                 +          |                   +                     |                    +                    |
-|               |                   |                 |------------------------------|                     |                    |                    |
-|               |                   +                            |                                         |                    |                    |
+|               |                   |                 |          |                   |                     |                    |                    |
+|               |                   +                 +------------------------------+                     |                    |                    |
 |               |               +-------+                        |                                         |                    |                    |
 |               |               |  tap1 |                        |                                         |                    |                    |
 |               |               +-------+                        |                                         |                    |                    |
 |               |                   +                            |                                         |                    |                    |
-|               |                   +----------------------------------------------------------------------|--------------------+                    |
-|               |                                                |                                         |                                         |
+|               |                   |                            |                                         |                    |                    |
+|               |                   +-------------------------------------------------------------------------------------------+                    |
 |               |                                                |                                         |                                         |
 |               |                                                |                                         |                                         |
 +---------------|------------------------------------------------+-----------------------------------------+-----------------------------------------+