diff --git a/README.md b/README.md
index c7b3451..6f47215 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 ## ai `bot`
 
+<img src="./icon/avatar.png" width="100">
+
 ```sh
 $ cargo build
-$ ./target/debug/ai
+$ ./target/debug/ai ai -t
 ```
diff --git a/icon/ai.png b/icon/ai.png
new file mode 100644
index 0000000..d21dabe
Binary files /dev/null and b/icon/ai.png differ
diff --git a/icon/avatar.png b/icon/avatar.png
new file mode 100644
index 0000000..f091ef1
Binary files /dev/null and b/icon/avatar.png differ