diff --git a/README.Rmd b/README.Rmd
index 582f83e..147cae9 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -20,7 +20,7 @@ set.seed(0)
```
-# wire
+# wire
diff --git a/README.md b/README.md
index 14cf6b5..d0244ca 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
-# wire
+# wire
[![Lifecycle:
experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)
-[![Last-changedate](https://img.shields.io/badge/last%20change-2024--02--04-yellowgreen.svg)](https://github.com/YuhangTom/wire/commits/main)
+[![Last-changedate](https://img.shields.io/badge/last%20change-2024--02--05-yellowgreen.svg)](https://github.com/YuhangTom/wire/commits/main)
[![CRAN
status](https://www.r-pkg.org/badges/version/wire.png)](https://CRAN.R-project.org/package=wire)
[![Codecov test
diff --git a/man/figures/logo.png b/man/figures/logo.png
new file mode 100644
index 0000000..a37b155
Binary files /dev/null and b/man/figures/logo.png differ