diff --git a/runner.md b/runner.md
new file mode 100644
index 0000000..06d5173
--- /dev/null
+++ b/runner.md
@@ -0,0 +1,23 @@
+# 目前可用的 runners 和对应的功能
+
+## node
+
+- `node-21`
+  - `docker:node:21.4.0-bullseye`
+
+## python
+
+- `python312`
+  - `docker:python:3.12`
+
+- `python311`
+  - `docker:python:3.11`
+
+- `python310`
+  - `docker:python:3.10`
+
+- `python39`
+  - `docker:python:3.9`
+
+- `python38`
+  - `docker:python:3.8`