更改支付接口app支付方式

go/gopath/src/fohow.com/libs/wx_mp/pay.go

@@ -163,7 +163,7 @@ func GetAppPayData(outTradeNo string, totalPrice int64, body, notifyUrl, remoteI
 		"appId":     appId,
 		"partnerId": outTradeNo,
 		"timeStamp": fmt.Sprintf("%d", time.Now().Unix()),
-		"package":   fmt.Sprintf("prepay_id=%s", prepayId),
+		"prepayId，": prepayId,
 		"signType":  "MD5",
 		"nonceStr":  nonce_str}
 	ret["paySign"] = mch.Sign(ret, mechantInfo.ApiKey, nil)