diff --git a/openapi/generate.go b/openapi/generate.go
index 23c2219..abd13d2 100644
--- a/openapi/generate.go
+++ b/openapi/generate.go
@@ -29,7 +29,7 @@ var (
 func NewOpenApiDoc(optionFunc ...OptionFunc) *openapi3.T {
 	t := &openapi3.T{
 		Extensions: map[string]any{},
-		OpenAPI:    "3.1.0",
+		OpenAPI:    "3.0.3",
 		Components: &openapi3.Components{
 			Extensions: map[string]any{},
 			Origin: &openapi3.Origin{
@@ -124,7 +124,13 @@ func NewOpenApiDoc(optionFunc ...OptionFunc) *openapi3.T {
 
 // Generate 生成 OpenApi 标准规范的文档
 type Generate struct {
-	docTable map[string]*openapi3.T
+	docTable                         map[string]*openapi3.T
+	enableRedundantStorageComponents bool // 冗余存储
+}
+
+// EnableRedundantStorageComponents 开启冗余存储
+func (g *Generate) EnableRedundantStorageComponents() {
+	g.enableRedundantStorageComponents = true
 }
 
 // DocData 获取一个文档数据
@@ -141,10 +147,9 @@ func (g *Generate) NewOpenApiDoc(docFlag string, docOption ...OptionFunc) *opena
 	return t
 }
 
-// AddApiDoc 添加接口文档
-func (g *Generate) AddApiDoc(docFlag string, apiMeta define.UriConfig, request any, response any) error {
+// formatType 输入输出数据类型, 转化为统一reflect.Type
+func (g *Generate) formatType(request any, response any) (reflect.Type, reflect.Type) {
 	var (
-		err          error
 		requestType  reflect.Type
 		responseType reflect.Type
 		ok           bool
@@ -164,63 +169,106 @@ func (g *Generate) AddApiDoc(docFlag string, apiMeta define.UriConfig, request a
 			responseType = responseType.Elem()
 		}
 	}
+	return requestType, responseType
+}
 
-	schemaData := GenerateOpenAPISchema(requestType)
-	apiOperate, isRead := g.initApiConfig(docFlag, apiMeta)
-	requestTypeStr := requestType.String()
-	if isRead {
-		for paramName, paramConfig := range schemaData.Value.Properties {
-			apiOperate.Parameters = append(apiOperate.Parameters, &openapi3.ParameterRef{
-				Extensions: nil,
-				Origin:     nil,
-				Ref:        "",
-				Value: &openapi3.Parameter{
-					Extensions:      nil,
-					Origin:          nil,
-					Name:            paramName,
-					In:              strings.ToLower(consts.RequestDataLocationQuery.String()),
-					Description:     paramConfig.Value.Description,
-					Style:           "",
-					Explode:         nil,
-					AllowEmptyValue: paramConfig.Value.AllowEmptyValue,
-					AllowReserved:   false,
-					Deprecated:      false,
-					Required:        op_array.ArrayType(paramConfig.Value.Required).Has(paramName) >= 0,
-					Schema:          paramConfig,
-					Example:         nil,
-					Examples:        nil,
-					Content:         nil,
-				},
-			})
-		}
-	} else {
-		apiOperate.RequestBody = &openapi3.RequestBodyRef{
+// getComponentsSchemaRef 获取组件 schema ref
+func (g *Generate) getComponentsSchemaRef(structKindString string) string {
+	return "#/components/schemas/" + strings.TrimLeft(structKindString, "*")
+}
+
+// setReadRequestParameter 设置读请求参数
+func (g *Generate) setReadRequestParameter(apiOperate *openapi3.Operation, schemaData *openapi3.SchemaRef) {
+	if nil == schemaData {
+		return
+	}
+	for paramName, paramConfig := range schemaData.Value.Properties {
+		apiOperate.Parameters = append(apiOperate.Parameters, &openapi3.ParameterRef{
 			Extensions: nil,
 			Origin:     nil,
 			Ref:        "",
-			Value: &openapi3.RequestBody{
-				Extensions:  nil,
-				Origin:      nil,
-				Description: "",
-				Required:    false,
-				Content: map[string]*openapi3.MediaType{
-					consts.MimeTypeJson: {
+			Value: &openapi3.Parameter{
+				Extensions:      nil,
+				Origin:          nil,
+				Name:            paramName,
+				In:              strings.ToLower(consts.RequestDataLocationQuery.String()),
+				Description:     paramConfig.Value.Description,
+				Style:           "",
+				Explode:         nil,
+				AllowEmptyValue: paramConfig.Value.AllowEmptyValue,
+				AllowReserved:   false,
+				Deprecated:      false,
+				Required:        op_array.ArrayType(paramConfig.Value.Required).Has(paramName) >= 0,
+				Schema:          paramConfig,
+				Example:         nil,
+				Examples:        nil,
+				Content:         nil,
+			},
+		})
+	}
+}
+
+// setWriteRequestBody 设置写请求请求 Body
+func (g *Generate) setWriteRequestBody(apiOperate *openapi3.Operation, schemaDataRef string) {
+	apiOperate.RequestBody = &openapi3.RequestBodyRef{
+		Extensions: nil,
+		Origin:     nil,
+		Ref:        "",
+		Value: &openapi3.RequestBody{
+			Extensions:  nil,
+			Origin:      nil,
+			Description: "接口请求数据",
+			Required:    true,
+			Content: map[string]*openapi3.MediaType{
+				consts.MimeTypeJson: {
+					Extensions: nil,
+					Origin:     nil,
+					Schema: &openapi3.SchemaRef{
 						Extensions: nil,
 						Origin:     nil,
-						Schema:     schemaData,
-						Example:    nil,
-						Examples:   nil,
-						Encoding:   nil,
+						Ref:        schemaDataRef,
+						Value:      nil,
 					},
+					Example:  nil,
+					Examples: nil,
+					Encoding: nil,
 				},
 			},
+		},
+	}
+}
+
+// AddApiDoc 添加接口文档
+func (g *Generate) AddApiDoc(docFlag string, apiMeta define.UriConfig, request any, response any) error {
+	var (
+		err          error
+		requestType  reflect.Type
+		responseType reflect.Type
+	)
+
+	// 初始化请求数据与响应数据类型
+	requestType, responseType = g.formatType(request, response)
+
+	schemaData := GenerateOpenAPISchema(requestType)
+	apiOperate, isRead := g.initApiConfig(docFlag, apiMeta)
+	if isRead {
+		if g.enableRedundantStorageComponents {
+			// 此处是冗余 components 设置, 便于查看结构体, 不冗余文档也可正常解析
+			requestTypeStr := requestType.String()
+			if _, exist := g.docTable[docFlag].Components.Schemas[requestTypeStr]; !exist {
+				g.docTable[docFlag].Components.Schemas[requestTypeStr] = schemaData
+			}
+			// 冗余处理结束
 		}
+		g.setReadRequestParameter(apiOperate, schemaData)
+	} else {
+		requestTypeStr := requestType.String()
+		if _, exist := g.docTable[docFlag].Components.Schemas[requestTypeStr]; !exist {
+			g.docTable[docFlag].Components.Schemas[requestTypeStr] = schemaData
+		}
+		g.setWriteRequestBody(apiOperate, g.getComponentsSchemaRef(requestType.String()))
 	}
 
-	// 初始化接口配置
-	if _, exist := g.docTable[docFlag].Components.Schemas[requestTypeStr]; !exist {
-		g.docTable[docFlag].Components.Schemas[requestTypeStr] = schemaData
-	}
 	responseTypeStr := responseType.String()
 	if _, exist := g.docTable[docFlag].Components.Schemas[responseTypeStr]; !exist {
 		g.docTable[docFlag].Components.Schemas[responseTypeStr] = GenerateOpenAPISchema(responseType)
@@ -231,18 +279,12 @@ func (g *Generate) AddApiDoc(docFlag string, apiMeta define.UriConfig, request a
 		Origin:     nil,
 		Ref:        "",
 		Value: &openapi3.Response{
-			Extensions:  nil,
-			Origin:      nil,
 			Description: &desc,
-			Headers:     nil,
 			Content: map[string]*openapi3.MediaType{
 				consts.MimeTypeJson: {
-					Extensions: nil,
-					Origin:     nil,
-					Schema:     g.docTable[docFlag].Components.Schemas[responseTypeStr],
-					Example:    nil,
-					Examples:   nil,
-					Encoding:   nil,
+					Schema: &openapi3.SchemaRef{
+						Ref: g.getComponentsSchemaRef(responseTypeStr),
+					},
 				},
 			},
 			Links: nil,
@@ -275,6 +317,12 @@ func (g *Generate) initApiConfig(docFlag string, apiMeta define.UriConfig) (*ope
 	}
 	newOperate := openapi3.NewOperation()
 	newOperate.Parameters = make(openapi3.Parameters, 0)
+	// 合入公共的 请求参数
+	if nil != g.docTable[docFlag].Components.Parameters {
+		for _, v := range g.docTable[docFlag].Components.Parameters {
+			newOperate.Parameters = append(newOperate.Parameters, v)
+		}
+	}
 	newOperate.Responses = openapi3.NewResponses()
 	newOperate.Summary = apiMeta.Desc
 	newOperate.Description = apiMeta.Desc
diff --git a/openapi/generate_test.go b/openapi/generate_test.go
index 985a944..143efa3 100644
--- a/openapi/generate_test.go
+++ b/openapi/generate_test.go
@@ -11,10 +11,13 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"strings"
 	"testing"
 	"time"
 
 	"git.zhangdeman.cn/zhangdeman/api-doc/define"
+	"git.zhangdeman.cn/zhangdeman/consts"
+	"github.com/getkin/kin-openapi/openapi3"
 )
 
 func TestGenerate_AddApiDoc(t *testing.T) {
@@ -34,8 +37,38 @@ func TestGenerate_AddApiDoc(t *testing.T) {
 		UpdatedAt  *time.Time        `json:"updated_at,omitempty" description:"更新时间"`
 		Category   *Category         `json:"category,omitempty" description:"分类"`
 	}
+	DocManager.EnableRedundantStorageComponents() // 启用 components 冗余存储
 	docFlag := "demo"
-	DocManager.NewOpenApiDoc(docFlag)
+	DocManager.NewOpenApiDoc(docFlag, WithSecurity(&openapi3.SecuritySchemes{
+		"Token-Auth": {
+			Extensions: nil,
+			Origin:     nil,
+			Ref:        "",
+			Value: &openapi3.SecurityScheme{
+				Extensions:  nil,
+				Origin:      nil,
+				Type:        "apiKey",
+				Description: "Token 身份认证",
+				Name:        "token",
+				In:          strings.ToLower(consts.RequestDataLocationHeader.String()),
+			},
+		},
+	}), WithCommonParameter(&openapi3.ParametersMap{
+		"Token": {
+			Value: &openapi3.Parameter{
+				Name:        "Token",
+				In:          strings.ToLower(consts.RequestDataLocationHeader.String()),
+				Description: "用户登录 Token",
+			},
+		},
+		"User-Agent": {
+			Value: &openapi3.Parameter{
+				Name:        "User-Agent",
+				In:          strings.ToLower(consts.RequestDataLocationHeader.String()),
+				Description: "用户访问 UA",
+			},
+		},
+	}))
 	DocManager.AddApiDoc(docFlag, define.UriConfig{
 		Path:          "/a/b/c",
 		RequestMethod: http.MethodGet,
diff --git a/openapi/option.go b/openapi/option.go
index 3603a99..76760a1 100644
--- a/openapi/option.go
+++ b/openapi/option.go
@@ -7,7 +7,11 @@
 // Date : 2026-01-06 22:48
 package openapi
 
-import "github.com/getkin/kin-openapi/openapi3"
+import (
+	"sort"
+
+	"github.com/getkin/kin-openapi/openapi3"
+)
 
 // OptionFunc 设置文档选项
 type OptionFunc func(t *openapi3.T)
@@ -31,3 +35,53 @@ func WithInfo(info *openapi3.Info) OptionFunc {
 		t.Info = info
 	}
 }
+
+// WithSecurity 设置安全策略
+func WithSecurity(securityTable *openapi3.SecuritySchemes) OptionFunc {
+	return func(t *openapi3.T) {
+		if nil == securityTable {
+			return
+		}
+		if nil == t.Components {
+			t.Components = &openapi3.Components{}
+		}
+		if nil == t.Components.SecuritySchemes {
+			t.Components.SecuritySchemes = make(map[string]*openapi3.SecuritySchemeRef)
+		}
+		if nil == t.Security {
+			t.Security = make([]openapi3.SecurityRequirement, 0)
+		}
+		keyList := make([]string, 0)
+		for k, v := range *securityTable {
+			keyList = append(keyList, k)
+			t.Components.SecuritySchemes[k] = v
+		}
+		// 保证生成结果有序
+		sort.Strings(keyList)
+		for _, k := range keyList {
+			t.Security = append(t.Security, map[string][]string{k: {}})
+		}
+	}
+}
+
+// WithCommonParameter 设置公共请求蚕食
+func WithCommonParameter(commonParameterTable *openapi3.ParametersMap) OptionFunc {
+	return func(t *openapi3.T) {
+		if nil == commonParameterTable {
+			return
+		}
+		if nil == t.Components {
+			t.Components = &openapi3.Components{}
+		}
+		if nil == t.Components.Parameters {
+			t.Components.Parameters = make(map[string]*openapi3.ParameterRef)
+		}
+		// 不要直接复制, 逐个设置, 可以重复调用, 后面的会覆盖前面的
+		for k, v := range *commonParameterTable {
+			if nil == v {
+				continue
+			}
+			t.Components.Parameters[k] = v
+		}
+	}
+}