diff --git a/utils/alipay/cert.go b/utils/alipay/cert.go
index 02864f7..ae3413a 100644
--- a/utils/alipay/cert.go
+++ b/utils/alipay/cert.go
@@ -44,34 +44,41 @@ func GetCert(appId string) (*CertConfig, error) {
 	if c != nil {
 		return c, nil
 	}
+
 	dir, err := os.Getwd()
 	if err != nil {
 		return nil, fmt.Errorf("get current dir error: %v", err)
 	}
+
 	filePath := fmt.Sprintf("%s/%s/%s/%s", dir, "cert", "alipay", appId)
 	if !helper.FileExists(filePath) {
-		return nil, fmt.Errorf("appId[%s]支付宝密钥文件信息不存在,请联系技术人员处理", appId)
+		return nil, fmt.Errorf("appId[%s][%s]支付宝密钥文件信息不存在,请联系技术人员处理", appId, filePath)
 	}
+
 	mchCertPath := fmt.Sprintf("%s/%s_%s.crt", filePath, "appCertPublicKey", appId)
 	mchCertSN, err := getMchCertSN(mchCertPath)
 	if err != nil {
 		return nil, fmt.Errorf("get mchCertSN error: %v", err)
 	}
+
 	rootCertPath := fmt.Sprintf("%s/%s", filePath, "alipayRootCert.crt")
 	rootCertSN, err := getRootCertSN(rootCertPath)
 	if err != nil {
 		return nil, fmt.Errorf("get rootCertSN error: %v", err)
 	}
+
 	publicKeyPath := fmt.Sprintf("%s/%s", filePath, "alipayCertPublicKey_RSA2.crt")
 	publicKey, err := getPublicKey(publicKeyPath)
 	if err != nil {
 		return nil, fmt.Errorf("get publicKey error: %v", err)
 	}
+
 	c = &CertConfig{
 		MchCertSN:  mchCertSN,
 		RootCertSN: rootCertSN,
 		PublicKey:  publicKey,
 	}
 	setCertConfig(appId, c)
+
 	return c, nil
 }