diff --git a/README.md b/README.md
index 2dac075..c4d1df0 100644
--- a/README.md
+++ b/README.md
@@ -167,3 +167,7 @@ Log from `proxy-inspector` console:
     * P256 with SHA256
 * P384 with SHA256 is NOT supported
 
+## TODOs
+
+* [ ] support socks5 -> proxy -> backend
+