diff --git a/README.md b/README.md
index 2e9a8d3..770f75f 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,7 @@ go run cmd/kcpserver/ -listen 0.0.0.0:10909
 `relay server C` 所在机器
 
 ```bash
-go run ./cmd/kcpserver/ -mode=relay -listen 0.0.0.0:10909 -relay-remote 172.21.0.13:10909
+go run ./cmd/kcpserver/ -mode=relay -listen 0.0.0.0:10909 -relay-remote 172.21.32.15:10909
 
 2>&1 | tee logs/c.stdout.log
 ```
@@ -60,21 +60,21 @@ go run ./cmd/kcpserver/ -mode=relay -listen 0.0.0.0:10909 -relay-remote 172.21.0
 ### peer-a (A)
 
 ```bash
-go run ./cmd/kcppeer/ -id peer-a -server 172.21.0.13:10909 -relay-via 139.199.57.110:10909 -inbox-dir inbox/a
+go run ./cmd/kcppeer/ -id peer-a -server 172.21.32.15:10909 -relay-via 106.55.173.235:10909 -inbox-dir inbox/a
 
 -latency-log logs/a-latency.jsonl -kcp-ts-debug-log logs/a-kcp-ts.jsonl -kcp-session-stats-log logs/a-kcp-stats.jsonl
 
-go run ./cmd/kcpping/ -id peer-a -server 139.199.57.110:10909 -echo
+go run ./cmd/kcpping/ -id peer-a -server 106.55.173.235:10909 -echo
 ```
 
 ### peer-b (B)
 
 ```bash
-go run ./cmd/kcppeer/ -id peer-b -server 152.136.164.246:10909 -inbox-dir inbox/b
+go run ./cmd/kcppeer/ -id peer-b -server 81.70.156.140:10909 -inbox-dir inbox/b
 
 -latency-log logs/b-latency.jsonl -kcp-ts-debug-log logs/b-kcp-ts.jsonl -kcp-session-stats-log logs/b-kcp-stats.jsonl
 
-go run ./cmd/kcpping -id peer-b -server 152.136.164.246:10909 -to peer-a -count 20 -interval 100ms
+go run ./cmd/kcpping -id peer-b -server 81.70.156.140:10909 -to peer-a -count 20 -interval 100ms
 ```
 
 ## Interactive Commands