diff --git a/business/partner/purchase/jx/localjx/tonglianpay.go b/business/partner/purchase/jx/localjx/tonglianpay.go
index 4ef385785..78460c1fd 100644
--- a/business/partner/purchase/jx/localjx/tonglianpay.go
+++ b/business/partner/purchase/jx/localjx/tonglianpay.go
@@ -97,12 +97,12 @@ func RSADecrypt(pub []byte) (plainText []byte, err error) {
 	//pem解码
 	block, _ := pem.Decode(buf)
 	//X509解码
-	privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
+	privateKey, err := x509.ParsePKCS8PrivateKey(block.Bytes)
 	if err != nil {
 		panic(err)
 	}
 	//对密文进行解密
-	plainText, err = rsa.DecryptPKCS1v15(rand.Reader, privateKey, pub)
+	plainText, err = rsa.DecryptPKCS1v15(rand.Reader, privateKey.(*rsa.PrivateKey), pub)
 	return plainText, err
 }