diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,14 @@
 # ulib
 
-基于C++98的框架
\ No newline at end of file
+基于C++98的框架
+- [x] support [fmt-4.1](https://github.com/fmtlib/fmt/tree/4.x)
+  - https://stackoverflow.com/questions/77067214/do-any-old-versions-of-fmt-support-c98
+- [ ] support [libmysqlclient]()
+- [ ] support [libzmq]()
+- [ ] thread and thread pool
+- [ ] Smart pointer
+  - [ ] shared_ptr
+  - [ ] weak_ptr
+  - [ ] unique_ptr
+  - [ ] scoped_ptr
+  - [ ] scoped_array