diff --git a/main.go b/main.go
index 84c51ba..919e8cc 100644
--- a/main.go
+++ b/main.go
@@ -1,50 +1,17 @@
 package main
 
 import (
-	"fmt"
 	"net/http"
-	"os"
-	"time"
 
 	"github.com/gin-gonic/gin"
 )
 
 func main() {
 	r := gin.Default()
-
-	r.GET("/", func(c *gin.Context) {
-		username := readInputs()
-		c.String(http.StatusOK, fmt.Sprintf("username is %s\n", username))
-
-		err := writeOutputs("time", time.Now().Format("2006-01-02 15:04:05"))
-		if err != nil {
-			c.String(http.StatusInternalServerError, fmt.Sprintf("Error: %v\n", err))
-			return
-		}
+	r.GET("/ping", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"message": "pong",
+		})
 	})
-
-	r.Run() // 默认在 0.0.0.0:8080 启动服务
-}
-
-func readInputs() string {
-	username := os.Getenv("INPUT_USERNAME")
-	return username
-}
-
-func writeOutputs(k, v string) (err error) {
-	msg := fmt.Sprintf("%s=%s", k, v)
-	outputFilepath := os.Getenv("GITHUB_OUTPUT")
-	f, err := os.OpenFile(outputFilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-	if err != nil {
-		return
-	}
-	defer func() {
-		if cErr := f.Close(); cErr != nil && err == nil {
-			err = cErr
-		}
-	}()
-	if _, err = f.Write([]byte(msg)); err != nil {
-		return
-	}
-	return
+	r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
 }