diff --git a/platformapi/alipayapi/utils.go b/platformapi/alipayapi/utils.go
index 413fa178..fc86368e 100644
--- a/platformapi/alipayapi/utils.go
+++ b/platformapi/alipayapi/utils.go
@@ -44,7 +44,7 @@ func (a *API) SystemAuthToken(grantType, code, refreshToken string) (tokenInfo *
 		params["refresh_token"] = refreshToken
 	}
 	// 获取证书
-	appCertSN, aliPayRootCertSN, aliPayPublicCertSN, err := SetCertSnByPath("./config/appCertPublicKey_2019110769024042.crt", "./config/alipayRootCert.crt", "./config/alipayCertPublicKey_RSA2.crt")
+	appCertSN, aliPayRootCertSN, aliPayPublicCertSN, err := SetCertSnByPath(AppCertPath, AliPayRootCertPath, AliPayPublicCertPath)
 	if err != nil {
 		return nil, err
 	}