diff --git a/event/core/handlers/handlers.go b/event/core/handlers/handlers.go
index c0b0d904..c8583d92 100644
--- a/event/core/handlers/handlers.go
+++ b/event/core/handlers/handlers.go
@@ -115,9 +115,7 @@ func complementFunc(ctx *core.Context, httpEvent *model.HTTPEvent) {
 	conf := config.ByCtx(ctx)
 	err := httpEvent.Err
 	if err != nil {
-		switch e := err.(type) {
-		case *NotFoundHandlerErr:
-			conf.GetLogger().Info(ctx, e.Error())
+		if _, ok := err.(*NotFoundHandlerErr); ok {
 			httpEvent.Response.Write(http.StatusOK, constants.DefaultContentType, fmt.Sprintf(coremodel.ResponseFormat, err.Error()))
 			return
 		}
diff --git a/sample/event/contact.go b/sample/event/contact.go
index cda1e5f2..496e7ec2 100644
--- a/sample/event/contact.go
+++ b/sample/event/contact.go
@@ -6,6 +6,7 @@ import (
 	"github.com/larksuite/oapi-sdk-go/core"
 	"github.com/larksuite/oapi-sdk-go/core/constants"
 	"github.com/larksuite/oapi-sdk-go/core/tools"
+	eventhttp "github.com/larksuite/oapi-sdk-go/event/http"
 	"github.com/larksuite/oapi-sdk-go/sample/configs"
 	contact "github.com/larksuite/oapi-sdk-go/service/contact/v3"
 )
@@ -36,7 +37,9 @@ func main() {
 	})
 
 	g := gin.Default()
-	g.POST("/webhook/event", webhookEventHandle)
+	g.POST("/webhook/event", func(context *gin.Context) {
+		eventhttp.Handle(conf, context.Request, context.Writer)
+	})
 	err := g.Run(":8089")
 	if err != nil {
 		fmt.Println(err)
diff --git a/sample/event/gin.go b/sample/event/gin.go
index c2c49d30..517ff3ba 100644
--- a/sample/event/gin.go
+++ b/sample/event/gin.go
@@ -51,13 +51,11 @@ func main() {
 
 	g := gin.Default()
 
-	g.POST("/webhook/event", webhookEventHandle)
+	g.POST("/webhook/event", func(context *gin.Context) {
+		eventhttp.Handle(conf, context.Request, context.Writer)
+	})
 	err := g.Run(":8089")
 	if err != nil {
 		panic(err)
 	}
 }
-
-func webhookEventHandle(context *gin.Context) {
-	eventhttp.Handle(conf, context.Request, context.Writer)
-}
diff --git a/sample/event/im.go b/sample/event/im.go
index a78f71d0..e5df3261 100644
--- a/sample/event/im.go
+++ b/sample/event/im.go
@@ -6,6 +6,7 @@ import (
 	"github.com/larksuite/oapi-sdk-go/core"
 	"github.com/larksuite/oapi-sdk-go/core/constants"
 	"github.com/larksuite/oapi-sdk-go/core/tools"
+	eventhttp "github.com/larksuite/oapi-sdk-go/event/http"
 	"github.com/larksuite/oapi-sdk-go/sample/configs"
 	im "github.com/larksuite/oapi-sdk-go/service/im/v1"
 )
@@ -24,7 +25,9 @@ func main() {
 	})
 
 	g := gin.Default()
-	g.POST("/webhook/event", webhookEventHandle)
+	g.POST("/webhook/event", func(context *gin.Context) {
+		eventhttp.Handle(conf, context.Request, context.Writer)
+	})
 	err := g.Run(":8089")
 	if err != nil {
 		fmt.Println(err)