diff --git a/business/partner/purchase/jx/localjx/tonglianpay.go b/business/partner/purchase/jx/localjx/tonglianpay.go
index af97a053e..4ef385785 100644
--- a/business/partner/purchase/jx/localjx/tonglianpay.go
+++ b/business/partner/purchase/jx/localjx/tonglianpay.go
@@ -1,12 +1,12 @@
 package localjx
 
 import (
-	"crypto/md5"
 	"crypto/rand"
 	"crypto/rsa"
 	"crypto/x509"
 	"encoding/json"
-	"io/ioutil"
+	"encoding/pem"
+	"os"
 	"time"
 
 	"git.rosy.net.cn/jx-callback/globals"
@@ -47,19 +47,20 @@ func pay4OrderByTL(ctx *jxcontext.Context, order *model.GoodsOrder, vendorPayTyp
 	result, err := api.TLpayAPI.CreateUnitorderOrder(param)
 	result2 := &tonglianpayapi.PayInfo{}
 	json.Unmarshal([]byte(result.PayInfo), &result2)
-	file, err := ioutil.ReadFile("conf/rsa_key.pem")
-	if err != nil {
-		return nil, err
-	}
-	prk, err := x509.ParsePKCS1PrivateKey(file)
-	if err != nil {
-		return nil, err
-	}
-	paySign, err := rsa.DecryptOAEP(md5.New(), rand.Reader, prk, []byte(result2.PaySign), nil)
-	if err != nil {
-		return nil, err
-	}
-	result2.PaySign = string(paySign)
+	plainText, err := RSADecrypt([]byte(result2.PaySign))
+	// file, err := ioutil.ReadFile("conf/rsa_key.pem")
+	// if err != nil {
+	// 	return nil, err
+	// }
+	// prk, err := x509.ParsePKCS1PrivateKey(file)
+	// if err != nil {
+	// 	return nil, err
+	// }
+	// paySign, err := rsa.DecryptOAEP(md5.New(), rand.Reader, prk, []byte(result2.PaySign), nil)
+	// if err != nil {
+	// 	return nil, err
+	// }
+	result2.PaySign = string(plainText)
 	str, err := json.Marshal(result2)
 	result.PayInfo = string(str)
 	if err == nil {
@@ -82,6 +83,29 @@ func pay4OrderByTL(ctx *jxcontext.Context, order *model.GoodsOrder, vendorPayTyp
 	return orderPay, err
 }
 
+func RSADecrypt(pub []byte) (plainText []byte, err error) {
+	//打开文件
+	file, err := os.Open("conf/rsa_key.pem")
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+	//获取文件内容
+	info, _ := file.Stat()
+	buf := make([]byte, info.Size())
+	file.Read(buf)
+	//pem解码
+	block, _ := pem.Decode(buf)
+	//X509解码
+	privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+	if err != nil {
+		panic(err)
+	}
+	//对密文进行解密
+	plainText, err = rsa.DecryptPKCS1v15(rand.Reader, privateKey, pub)
+	return plainText, err
+}
+
 func OnTLPayCallback(msg *wxpayapi.CallbackMsg) (err error) {
 	globals.SugarLogger.Debugf("OnTLPayCallback msg:%s", utils.Format4Output(msg, true))
 	switch msg.MsgType {