diff --git a/openapi/generate.go b/openapi/generate.go
index 50dc96e..e7a3f3c 100644
--- a/openapi/generate.go
+++ b/openapi/generate.go
@@ -296,6 +296,12 @@ 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 42b746c..143efa3 100644
--- a/openapi/generate_test.go
+++ b/openapi/generate_test.go
@@ -53,6 +53,21 @@ func TestGenerate_AddApiDoc(t *testing.T) {
 				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",
diff --git a/openapi/option.go b/openapi/option.go
index 918a208..76760a1 100644
--- a/openapi/option.go
+++ b/openapi/option.go
@@ -63,3 +63,25 @@ func WithSecurity(securityTable *openapi3.SecuritySchemes) OptionFunc {
 		}
 	}
 }
+
+// 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
+		}
+	}
+}