diff --git a/internal/examples/main.go b/internal/examples/main.go
index 6d0f648..6882b4f 100644
--- a/internal/examples/main.go
+++ b/internal/examples/main.go
@@ -1,11 +1,11 @@
 package main
 
 import (
-	"github.com/gofiber/fiber/v2"
 	"github.com/pubgo/funk/assert"
 	"github.com/pubgo/funk/recovery"
 	"github.com/pubgo/opendoc/opendoc"
 	"github.com/pubgo/opendoc/security"
+	"os"
 )
 
 type TestQueryReqAAA struct {
@@ -42,24 +42,27 @@ func main() {
 		srv.PostOf(func(op *opendoc.Operation) {
 			op.SetPath("article_create", "/articles")
 			op.SetModel(new(TestQueryReq1), new(TestQueryRsp))
-			op.SetDescription("create article")
+			op.SetSummary("create article")
 		})
 
 		srv.GetOf(func(op *opendoc.Operation) {
 			op.SetPath("article_list", "/articles")
 			op.SetModel(new(TestQueryReq), new(TestQueryRsp))
-			op.SetDescription("get article list")
+			op.SetSummary("get article list")
 			op.AddResponse("Test", new(TestQueryReqAAA))
 		})
 
 		srv.PutOf(func(op *opendoc.Operation) {
 			op.SetPath("article_update", "/articles/{id}")
 			op.SetModel(new(TestQueryReq1), new(TestQueryRsp))
-			op.SetDescription("update article")
+			op.SetSummary("update article")
 		})
 	})
 
-	var app = fiber.New()
-	doc.InitRouter(app)
-	assert.Exit(app.Listen("localhost:8080"))
+	data := assert.Must1(doc.MarshalYAML())
+	assert.Exit(os.WriteFile("openapi.yaml", data, 0644))
+
+	//var app = fiber.New()
+	//doc.InitRouter(app)
+	//assert.Exit(app.Listen("localhost:8080"))
 }
diff --git a/opendoc/operation.go b/opendoc/operation.go
index 5e21f0b..df7985b 100644
--- a/opendoc/operation.go
+++ b/opendoc/operation.go
@@ -84,6 +84,12 @@ func (op *Operation) SetPath(operationID string, path string) *Operation {
 	return op
 }
 
+func (op *Operation) SetOperation(operationID string) *Operation {
+	assert.If(operationID == "", "operationID should not be nil")
+	op.operationID = operationID
+	return op
+}
+
 func (op *Operation) SetModel(req interface{}, rsp interface{}) *Operation {
 	checkModelType(req)
 	op.request = req
diff --git a/opendoc/util.go b/opendoc/util.go
index cd30f50..367fa5a 100644
--- a/opendoc/util.go
+++ b/opendoc/util.go
@@ -101,7 +101,7 @@ func genSchema(val interface{}) (ref string, schema *openapi3.Schema) {
 	case reflect.TypeOf(multipart.FileHeader{}):
 		return "", &openapi3.Schema{Type: openapi3.TypeString, Format: "binary"}
 	case reflect.TypeOf([]*multipart.FileHeader{}):
-		schema := openapi3.NewArraySchema()
+		schema = openapi3.NewArraySchema()
 		schema.Items = openapi3.NewSchemaRef("", &openapi3.Schema{Type: openapi3.TypeString, Format: "binary"})
 		return "", schema
 	case reflect.TypeOf(time.Time{}):
@@ -129,7 +129,7 @@ func genSchema(val interface{}) (ref string, schema *openapi3.Schema) {
 		schema = openapi3.NewBoolSchema()
 	case reflect.Array, reflect.Slice:
 		schema = openapi3.NewArraySchema()
-		schema.Items = openapi3.NewSchemaRef(genSchema(model))
+		schema.Items = openapi3.NewSchemaRef(genSchema(model.Elem()))
 	case reflect.Map:
 		schema = openapi3.NewObjectSchema()
 		schema.Items = openapi3.NewSchemaRef(genSchema(model))
@@ -174,8 +174,9 @@ func genSchema(val interface{}) (ref string, schema *openapi3.Schema) {
 			getTag(tags, nullable, func(_ *structtag.Tag) { fieldSchema.Nullable = true })
 			getTag(tags, required, func(_ *structtag.Tag) { fieldSchema.AllowEmptyValue = false })
 			getTag(tags, doc, func(tag *structtag.Tag) { fieldSchema.Description = tag.Name })
-			getTag(tags, format, func(tag *structtag.Tag) { fieldSchema.Format = tag.Name })
 			getTag(tags, description, func(tag *structtag.Tag) { fieldSchema.Description = tag.Name })
+			getTag(tags, format, func(tag *structtag.Tag) { fieldSchema.Format = tag.Name })
+			getTag(tags, deprecated, func(tag *structtag.Tag) { fieldSchema.Deprecated = true })
 			getTag(tags, validate, func(tag *structtag.Tag) {
 				desc := fieldSchema.Description
 				if desc == "" {