diff --git a/platform/meituan-union/api.go b/platform/meituan-union/api.go
index 385bd05..0ccf2f6 100644
--- a/platform/meituan-union/api.go
+++ b/platform/meituan-union/api.go
@@ -11,11 +11,19 @@ import (
 	"gitee.com/chengdu-lenntc/third-platform-sdk/util"
 )
 
-// Api 调用第三方平台的api
+// MeituanUnionApi 美团联盟平台的api
 type MeituanUnionApi interface {
+	// Sign 签名
+	Sign(params map[string]interface{}) string
+	// NotifySign 通知签名
+	NotifySign(params map[string]interface{}) string
+	// GetLink 获取推广链接
 	GetLink(params GenerateLinkRequest) (*GenerateLinkResponse, error)
+	// MiniCode 获取小程序码
 	MiniCode(params MiniCodeRequest) (*MimiCodeResponse, error)
+	// GetOrderBySinge 获取单个订单
 	GetOrderBySinge(params GetOrderBySingeRequest) (*GetOrderBySingeResponse, error)
+	// GetOrderByBatch 批量获取订单
 	GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrderByBatchResponse, error)
 }
 
@@ -31,8 +39,25 @@ func newMeituanUnionApiImpl(log logx.Logger, client *Client) MeituanUnionApi {
 	}
 }
 
+// Sign 签名
+func (a *meituanUnionApiImpl) Sign(params map[string]interface{}) string {
+	kvPairs := a.getSignStr(params)
+	sort.Strings(kvPairs)
+	paramStr := strings.Join(kvPairs, "")
+	return util.Md5String(a.client.authConfig.SignKey + paramStr + a.client.authConfig.SignKey)
+}
+
+// NotifySign 通知签名
+func (a *meituanUnionApiImpl) NotifySign(params map[string]interface{}) string {
+	kvPairs := a.getSignStr(params)
+	sort.Strings(kvPairs)
+	paramStr := strings.Join(kvPairs, "")
+	return util.Md5String(a.client.authConfig.NotifyKey + paramStr + a.client.authConfig.NotifyKey)
+}
+
+// GetLink 获取推广链接
 func (a *meituanUnionApiImpl) GetLink(params GenerateLinkRequest) (*GenerateLinkResponse, error) {
-	params.Sign = a.sign(util.StructToMap(params))
+	params.Sign = a.Sign(util.StructToMap(params))
 	queryArgs := util.StructToMap(params)
 	req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
 	response := new(GenerateLinkResponse)
@@ -42,8 +67,9 @@ func (a *meituanUnionApiImpl) GetLink(params GenerateLinkRequest) (*GenerateLink
 	return response, nil
 }
 
+// MiniCode 获取小程序码
 func (a *meituanUnionApiImpl) MiniCode(params MiniCodeRequest) (*MimiCodeResponse, error) {
-	params.Sign = a.sign(util.StructToMap(params))
+	params.Sign = a.Sign(util.StructToMap(params))
 	queryArgs := util.StructToMap(params)
 	req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
 	response := new(MimiCodeResponse)
@@ -52,8 +78,10 @@ func (a *meituanUnionApiImpl) MiniCode(params MiniCodeRequest) (*MimiCodeRespons
 	}
 	return response, nil
 }
+
+// GetOrderBySinge 获取单个订单
 func (a *meituanUnionApiImpl) GetOrderBySinge(params GetOrderBySingeRequest) (*GetOrderBySingeResponse, error) {
-	params.Sign = a.sign(util.StructToMap(params))
+	params.Sign = a.Sign(util.StructToMap(params))
 	queryArgs := util.StructToMap(params)
 	req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
 	response := new(GetOrderBySingeResponse)
@@ -62,8 +90,10 @@ func (a *meituanUnionApiImpl) GetOrderBySinge(params GetOrderBySingeRequest) (*G
 	}
 	return response, nil
 }
+
+// GetOrderByBatch 批量获取订单
 func (a *meituanUnionApiImpl) GetOrderByBatch(params GetOrderByBatchRequest) (*GetOrderByBatchResponse, error) {
-	params.Sign = a.sign(util.StructToMap(params))
+	params.Sign = a.Sign(util.StructToMap(params))
 	queryArgs := util.StructToMap(params)
 	req := &client.HttpRequest{Headers: a.client.Headers, QueryArgs: queryArgs}
 	response := new(GetOrderByBatchResponse)
@@ -73,20 +103,6 @@ func (a *meituanUnionApiImpl) GetOrderByBatch(params GetOrderByBatchRequest) (*G
 	return response, nil
 }
 
-func (a *meituanUnionApiImpl) sign(params map[string]interface{}) string {
-	kvPairs := a.getSignStr(params)
-	sort.Strings(kvPairs)
-	paramStr := strings.Join(kvPairs, "")
-	return util.Md5String(a.client.authConfig.SignKey + paramStr + a.client.authConfig.SignKey)
-}
-
-func (a *meituanUnionApiImpl) notifySign(params map[string]interface{}) string {
-	kvPairs := a.getSignStr(params)
-	sort.Strings(kvPairs)
-	paramStr := strings.Join(kvPairs, "")
-	return util.Md5String(a.client.authConfig.NotifyKey + paramStr + a.client.authConfig.NotifyKey)
-}
-
 func (a *meituanUnionApiImpl) getSignStr(dataMap map[string]any) []string {
 	var kvPairs []string
 	for k, v := range dataMap {
diff --git a/platform/meituan-union/types.go b/platform/meituan-union/types.go
index d594ddf..e3eb551 100644
--- a/platform/meituan-union/types.go
+++ b/platform/meituan-union/types.go
@@ -1,5 +1,6 @@
 package meituan_union
 
+// GenerateLinkRequest 生成推广链接请求
 type GenerateLinkRequest struct {
 	ActId     int64  `form:"actId"`
 	Appkey    string `form:"appkey"`
@@ -9,6 +10,14 @@ type GenerateLinkRequest struct {
 	Sign      string `form:"sign"`
 }
 
+// GenerateLinkResponse 生成推广链接响应
+type GenerateLinkResponse struct {
+	Status int64  `json:"status"`
+	Des    string `json:"des"`
+	Data   string `json:"data"`
+}
+
+// MiniCodeRequest 获取小程序码请求
 type MiniCodeRequest struct {
 	ActId    int64  `form:"actId"`
 	Appkey   string `form:"appkey"`
@@ -17,14 +26,14 @@ type MiniCodeRequest struct {
 	LinkType int64  `form:"linkType"`
 }
 
+// MimiCodeResponse 获取小程序码响应
 type MimiCodeResponse struct {
-}
-
-type GenerateLinkResponse struct {
 	Status int64  `json:"status"`
 	Des    string `json:"des"`
 	Data   string `json:"data"`
 }
+
+// GetOrderBySingeRequest 获取单个订单请求
 type GetOrderBySingeRequest struct {
 	Appkey  string `form:"appkey"`
 	ActId   int64  `form:"actId"`
@@ -32,11 +41,15 @@ type GetOrderBySingeRequest struct {
 	Sign    string `form:"sign"`
 	OrderId string `form:"orderId"`
 }
+
+// GetOrderBySingeResponse 获取单个订单响应
 type GetOrderBySingeResponse struct {
 	Status int64      `json:"status"`
 	Des    string     `json:"des"`
 	Data   OrderSinge `json:"data"`
 }
+
+// OrderSinge 订单详情
 type OrderSinge struct {
 	ActId           int64  `json:"actId"`
 	Quantity        int64  `json:"quantity"`
@@ -55,6 +68,7 @@ type OrderSinge struct {
 	CpaRefundProfit string `json:"cpaRefundProfit"`
 }
 
+// GetOrderByBatchRequest 批量获取订单请求
 type GetOrderByBatchRequest struct {
 	Appkey    string `form:"appkey"`
 	Ts        string `form:"ts"`
@@ -65,10 +79,14 @@ type GetOrderByBatchRequest struct {
 	Page      string `form:"page"`
 	Limit     string `form:"limit"`
 }
+
+// GetOrderByBatchResponse 批量获取订单响应
 type GetOrderByBatchResponse struct {
 	Total    int64        `json:"total"`
 	DataList []OrderBatch `json:"dataList"`
 }
+
+// OrderBatch 订单详情
 type OrderBatch struct {
 	ActId           int64  `json:"actId"`
 	OrderId         string `json:"orderId"`