diff --git a/openapi/generate.go b/openapi/generate.go
index ce5edb9..1ac9de1 100644
--- a/openapi/generate.go
+++ b/openapi/generate.go
@@ -8,6 +8,8 @@
 package openapi
 
 import (
+	"reflect"
+
 	"git.zhangdeman.cn/zhangdeman/consts"
 	"github.com/getkin/kin-openapi/openapi3"
 )
@@ -17,7 +19,7 @@ func NewGenerate() *Generate {
 	return &Generate{
 		doc: &openapi3.T{
 			Extensions: map[string]any{},
-			OpenAPI:    "openapi",
+			OpenAPI:    "3.1.0",
 			Components: &openapi3.Components{
 				Extensions: map[string]any{},
 				Origin: &openapi3.Origin{
@@ -106,5 +108,34 @@ type Generate struct {
 
 // AddApiDoc 添加接口文档
 func (g *Generate) AddApiDoc(request any, response any) error {
-	return nil
+	var (
+		err          error
+		requestType  reflect.Type
+		responseType reflect.Type
+		ok           bool
+	)
+
+	// 初始化请求数据与响应数据类型
+	if requestType, ok = request.(reflect.Type); !ok {
+		requestType = reflect.TypeOf(request)
+		if requestType.Kind() == reflect.Ptr {
+			requestType = requestType.Elem()
+		}
+	}
+
+	if responseType, ok = response.(reflect.Type); !ok {
+		responseType = reflect.TypeOf(response)
+		if responseType.Kind() == reflect.Ptr {
+			responseType = responseType.Elem()
+		}
+	}
+	requestTypeStr := requestType.String()
+	if _, exist := g.doc.Components.Schemas[requestTypeStr]; !exist {
+		g.doc.Components.Schemas[requestTypeStr] = GenerateOpenAPISchema(requestType)
+	}
+	responseTypeStr := requestType.String()
+	if _, exist := g.doc.Components.Schemas[responseTypeStr]; !exist {
+		g.doc.Components.Schemas[responseTypeStr] = GenerateOpenAPISchema(responseType)
+	}
+	return err
 }
diff --git a/openapi/generate_test.go b/openapi/generate_test.go
new file mode 100644
index 0000000..413fc7e
--- /dev/null
+++ b/openapi/generate_test.go
@@ -0,0 +1,38 @@
+// Package openapi ...
+//
+// Description : openapi ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2026-01-06 11:48
+package openapi
+
+import (
+	"encoding/json"
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TestGenerate_AddApiDoc(t *testing.T) {
+	type Category struct {
+		ID   int64  `json:"id" description:"分类ID"`
+		Name string `json:"name" description:"分类名称"`
+	}
+	type Product struct {
+		ID         int64             `json:"id" description:"产品ID" example:"1001" required:"true"`
+		Name       string            `json:"name" description:"产品名称" example:"iPhone 13" minLength:"2" maxLength:"100" required:"true"`
+		Price      float64           `json:"price" description:"价格" example:"6999.99" min:"0"`
+		Stock      int               `json:"stock" description:"库存" example:"100" min:"0"`
+		Tags       []string          `json:"tags" description:"标签"`
+		Attributes map[string]string `json:"attributes" description:"属性"`
+		CreatedAt  time.Time         `json:"created_at" description:"创建时间"`
+		UpdatedAt  *time.Time        `json:"updated_at,omitempty" description:"更新时间"`
+		Category   *Category         `json:"category,omitempty" description:"分类"`
+	}
+	instance := NewGenerate()
+	instance.AddApiDoc(Category{}, Product{})
+	// 输出 JSON
+	data, _ := json.MarshalIndent(instance.doc, "", "  ")
+	fmt.Println(string(data))
+}
diff --git a/openapi/schema.go b/openapi/schema.go
index 0fc3a24..c7ef10d 100644
--- a/openapi/schema.go
+++ b/openapi/schema.go
@@ -69,12 +69,19 @@ func ParseStructField(field reflect.StructField) *StructFieldInfo {
 
 // GenerateOpenAPISchema 生成完整的 OpenAPI Schema
 func GenerateOpenAPISchema(s any) *openapi3.SchemaRef {
-	t := reflect.TypeOf(s)
-	if t.Kind() == reflect.Ptr {
-		t = t.Elem()
+	var (
+		ok    bool
+		tType reflect.Type
+	)
+
+	if tType, ok = s.(reflect.Type); !ok {
+		tType = reflect.TypeOf(s)
+		if tType.Kind() == reflect.Ptr {
+			tType = tType.Elem()
+		}
 	}
 
-	return generateSchemaRecursive(t, make(map[string]bool))
+	return generateSchemaRecursive(tType, make(map[string]bool))
 }
 
 // 生成 schema