diff --git a/README.md b/README.md
index 4c2844d..4702dd2 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # YiemAgent
 
 ## TODO
-- [ ] build prompt()
+- [WORKING] build prompt()
 - [ ] build agent runLoop()
 - [ ] build MCP server connector
 - [ ] executeplan() to execute the plan