diff --git a/business/partner/purchase/jx/localjx/tonglianpay.go b/business/partner/purchase/jx/localjx/tonglianpay.go
index 51a86763d..af97a053e 100644
--- a/business/partner/purchase/jx/localjx/tonglianpay.go
+++ b/business/partner/purchase/jx/localjx/tonglianpay.go
@@ -48,8 +48,17 @@ func pay4OrderByTL(ctx *jxcontext.Context, order *model.GoodsOrder, vendorPayTyp
 	result2 := &tonglianpayapi.PayInfo{}
 	json.Unmarshal([]byte(result.PayInfo), &result2)
 	file, err := ioutil.ReadFile("conf/rsa_key.pem")
-	prk, err := x509.ParsePKCS8PrivateKey(file)
+	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)
 	str, err := json.Marshal(result2)
 	result.PayInfo = string(str)