diff --git a/README.md b/README.md
index 0ee874f..45d0239 100644
--- a/README.md
+++ b/README.md
@@ -41,9 +41,8 @@ General:
 - Rule proxy based on destinations: [Config Examples](config/examples)
 
 TODO:
-- [x] UDP over TCP (ss)
-- [ ] UDP Tunnel
-- [ ] Linux tproxy support & UDP Relay
+- [x] UDP over TCP Tunnel (client <-udp-> uottun <-tcp-> ss <-udp-> target)
+- [ ] Linux tproxy support
 - [ ] TUN/TAP device support
 - [ ] Code refactoring: support proxy registering so it can be pluggable
 - [ ] Conditional compilation so we can abandon needless proxy type and get a smaller binary size