Update README.md

@@ -7,7 +7,7 @@ simple rtmp origin/edge live server over state-threads.
 2. high-performance: single-thread, async socket, event/st-thread driven.
 3. support origin and edge mode.
 4. only for live streaming.
-5. support vhost.
+5. donot support vhost.
 6. single process, no multiple processes yet.
 
 Winlin