diff --git a/src/index.ts b/src/index.ts
index 5efb42d..a5572ce 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,5 +1,6 @@
 import main from './main'
 import first from './first'
+import second from './second'
 import third from './third'
 
 import type { Options } from './main'
@@ -11,6 +12,7 @@ export type {
 export {
   main,
   first,
+  second,
   third
 }
 
diff --git a/src/second.ts b/src/second.ts
new file mode 100644
index 0000000..d230b7e
--- /dev/null
+++ b/src/second.ts
@@ -0,0 +1,15 @@
+import main from './main'
+import first from './first'
+
+export interface Options {
+  name?: string
+  age?: number
+}
+
+export const second = (options: Options): void => {
+  main(options)
+  first(options)
+  console.log('second:', options.name, options.age)
+}
+
+export default second