diff --git a/src/V2/entity.go b/src/V2/entity.go
index 81be88e..6c31d7c 100644
--- a/src/V2/entity.go
+++ b/src/V2/entity.go
@@ -188,6 +188,11 @@ type ProfitSharing struct {
 	Receivers     []Receiver `json:"receivers,omitempty"`      // 接收方列表
 }
 
+// ProfitSharing 单次分账参数
+type ProfitSharingAmountQuery struct {
+	TransactionID string `json:"transaction_id,omitempty"` // 微信支付ID
+}
+
 // ProfitSharingQuery 分账结果查询参数
 type ProfitSharingQuery struct {
 	TransactionID string `json:"transaction_id,omitempty"` // 微信支付ID
diff --git a/src/V2/pay.go b/src/V2/pay.go
index 1ded759..564e293 100644
--- a/src/V2/pay.go
+++ b/src/V2/pay.go
@@ -8,6 +8,7 @@ import (
 	"errors"
 	"io"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"strconv"
 	"strings"
@@ -219,11 +220,13 @@ func (c WxPay) RefundQuery(params RefundQuery) (map[string]string, error) {
 }
 
 // ProfitSharingOrderAmountQuery 查询最大分账比例
-func (c WxPay) ProfitSharingOrderAmountQuery(params Receiver) (map[string]string, error) {
-	m := c.publicParams()
-	b, _ := json.Marshal(params)
-	m["receiver"] = string(b)
+func (c WxPay) ProfitSharingOrderAmountQuery(params ProfitSharingAmountQuery) (map[string]string, error) {
+	m := utils.MAPMerge(utils.Struct2Map(params), c.publicParams())
+	delete(m, "appid")
+	delete(m, "sub_appid")
+	delete(m, "sub_mch_id")
 	m["sign"] = utils.SignHMACSHA256(m, c.config.Secret)
+	log.Println("m,", m)
 	return c.request("https://api.mch.weixin.qq.com/pay/profitsharingorderamountquery", strings.NewReader(utils.MAP2XML(m)), false)
 }