diff --git a/plugins/union_pay/internal/po/po.go b/plugins/union_pay/internal/po/po.go
index 306dcf0..bf4ad6d 100644
--- a/plugins/union_pay/internal/po/po.go
+++ b/plugins/union_pay/internal/po/po.go
@@ -69,8 +69,6 @@ func (req *Notify) GetReId() string {
 }
 
 func (req *Notify) ToJson() []byte {
-	//kvRows := utils.SortStruct(req.Body)
-	//b, _ := json.Marshal(kvRows)
 	b, _ := json.Marshal(req.Body)
 	return b
 }
diff --git a/plugins/union_pay/internal/util.go b/plugins/union_pay/internal/util.go
index 2104b75..fa63dd7 100644
--- a/plugins/union_pay/internal/util.go
+++ b/plugins/union_pay/internal/util.go
@@ -26,8 +26,8 @@ func headers(config *Config, req po.Req, bizMethod string) map[string][]string {
 	milliseconds := now.Unix()*1000 + int64(now.Nanosecond())/1e6
 	h.Add("reqTs", fmt.Sprintf("%d", milliseconds))
 
-	encodedHash := utils.Sha(vo.Version, config.Config.AppId, bizMethod, req.GetReId(), string(req.ToJson()))
-	signValue, err := utils.Sign(encodedHash, utils.FormatPEMPrivateKey(config.Extra.RsaPrk))
+	rehash := utils.Sha(vo.Version, config.Config.AppId, bizMethod, req.GetReId(), string(req.ToJson()))
+	signValue, err := utils.Sign(rehash, utils.FormatPEMPrivateKey(config.Extra.RsaPrk))
 	if err != nil {
 		return nil
 	}
@@ -45,8 +45,8 @@ func verify(config *Config, req *po.Notify, notifyBizMethod string) error {
 	if req.Headers.BizMethod != notifyBizMethod {
 		return fmt.Errorf("业务方法不匹配")
 	}
-	encodedHash := utils.Sha(req.Headers.Version, config.Config.AppId, req.Headers.BizMethod, req.GetReId(), string(req.ToJson()))
-	lowerStr := strings.ToLower(encodedHash)
+	rehash := utils.Sha(req.Headers.Version, config.Config.AppId, req.Headers.BizMethod, req.GetReId(), string(req.ToJson()))
+	lowerStr := strings.ToLower(rehash)
 	if utils.Verify(lowerStr, req.Headers.Sign, utils.FormatPEMPrivateKey(config.Extra.RsaNpk)) {
 		return nil
 	}