diff --git a/openapi/openapi.go b/openapi/openapi.go
index 26575494..d9e81d63 100644
--- a/openapi/openapi.go
+++ b/openapi/openapi.go
@@ -4,6 +4,11 @@
 
 // Package openapi 采用 [web.Middleware] 中间件的形式生成 [openapi] 文档
 //
+// 结构体标签
+//
+// - comment 用于可翻译的注释，该内容会被翻译后保存在字段的 Schema.Description 中；
+// - openapi 对 openapi 类型的自定义，格式为 type,format，可以自定义字段的类型和格式；
+//
 // [openapi]: https://spec.openapis.org/oas/v3.1.1.html
 package openapi
 
diff --git a/openapi/schema.go b/openapi/schema.go
index 33ab0a69..5c85a5c2 100644
--- a/openapi/schema.go
+++ b/openapi/schema.go
@@ -6,6 +6,7 @@ package openapi
 
 import (
 	"reflect"
+	"strings"
 	"time"
 
 	orderedmap "github.com/wk8/go-ordered-map/v2"
@@ -189,17 +190,37 @@ func schemaFromObjectType(d *Document, t reflect.Type, isRoot bool, rootName str
 				if comment != "" {
 					itemDesc = web.Phrase(comment)
 				}
+
+				if tt := f.Tag.Get("openapi"); tt != "" {
+					if tt != "-" {
+						tags := strings.Split(tt, ",")
+
+						format := ""
+						if len(tags) > 1 {
+							format = tags[1]
+						}
+
+						s.Properties[name] = &Schema{
+							Description: itemDesc,
+							Type:        tags[0],
+							Format:      format,
+							XML:         xml,
+						}
+					}
+					continue
+				}
+
 			}
 
-			item := &Schema{Description: itemDesc}
+			item := &Schema{
+				Description: itemDesc,
+				XML:         xml,
+			}
 			schemaFromType(d, t.Field(i).Type, false, rootName, item)
 			if item.Type == "" {
 				continue
 			}
 
-			if xml != nil {
-				item.XML = xml
-			}
 			s.Properties[name] = item
 		}
 	}
diff --git a/openapi/schema_test.go b/openapi/schema_test.go
index df25da2b..dc766d7c 100644
--- a/openapi/schema_test.go
+++ b/openapi/schema_test.go
@@ -18,6 +18,9 @@ type schemaObject1 struct {
 	object
 	Root string
 	T    time.Time
+	X    string  `openapi:"-"`
+	Y    string  `openapi:"integer"`
+	Z    *object `openapi:"string,date"`
 }
 
 type schemaObject2 struct {
@@ -56,16 +59,19 @@ func TestDocument_newSchema(t *testing.T) {
 	s = d.newSchema(reflect.ValueOf(schemaObject1{}).Type())
 	a.Equal(s.Type, TypeObject).
 		NotZero(s.Ref.Ref).
-		Length(s.Properties, 5).
+		Length(s.Properties, 7).
 		Equal(s.Properties["id"].Type, TypeInteger).
 		Equal(s.Properties["Root"].Type, TypeString).
 		Equal(s.Properties["T"].Type, TypeString).
-		Equal(s.Properties["T"].Format, FormatDateTime)
+		Equal(s.Properties["T"].Format, FormatDateTime).
+		Equal(s.Properties["Y"].Type, TypeInteger).
+		Equal(s.Properties["Z"].Type, TypeString).
+		Equal(s.Properties["Z"].Format, FormatDate)
 
 	s = d.newSchema(reflect.ValueOf(schemaObject2{}).Type())
 	a.Equal(s.Type, TypeObject).
 		NotZero(s.Ref.Ref).
-		Length(s.Properties, 5).
+		Length(s.Properties, 7).
 		Equal(s.Properties["id"].Type, TypeInteger).
 		Equal(s.Properties["Root"].Type, TypeString).
 		Equal(s.Properties["T"].Type, TypeString).