diff --git a/platformapi/wxpayapi/wxpayapi.go b/platformapi/wxpayapi/wxpayapi.go
index a2245759..ae44ff5a 100644
--- a/platformapi/wxpayapi/wxpayapi.go
+++ b/platformapi/wxpayapi/wxpayapi.go
@@ -175,8 +175,8 @@ type CreateOrderParam struct {
 	TradeType      string `json:"trade_type" xml:"trade_type"`
 	TotalFee       int    `json:"total_fee" xml:"total_fee"`
 
-	SubAppID      string `json:"subAppID" xml:"sub_appid,omitempty"`
-	SubMchID      string `json:"subMchID" xml:"sub_mch_id,omitempty"`
+	// SubAppID      string `json:"sub_appid" xml:"sub_appid,omitempty"`
+	SubMchID      string `json:"sub_mch_id" xml:"sub_mch_id,omitempty"`
 	Detail        CData  `json:"detail.omitempty" xml:"detail,omitempty"`
 	Attach        string `json:"attach,omitempty" xml:"attach,omitempty"`
 	FeeType       string `json:"fee_type,omitempty" xml:"fee_type,omitempty"`
@@ -442,7 +442,6 @@ func (a *API) signParam(signType string, params map[string]interface{}) (sig str
 	sort.Sort(sort.StringSlice(valueList))
 	valueList = append(valueList, fmt.Sprintf("key=%s", a.appKey))
 	sig = strings.Join(valueList, "&")
-	fmt.Println("tettttttttttttttttttttttttttttttttttttttttt", sig)
 	var binSig []byte
 	if signType == sigTypeSha256 {
 		mac := hmac.New(sha256.New, []byte(a.appKey))